PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 241
 Class Title: SOLID MATERIAL COMMINUTION OR DISINTEGRATION

Subclass  Subclass
Number    Title

  *       PROCESSES
  1       .By operations other than force of contact with solid surface
  2       .With cell rupturing or liberation of contained liquids
  3       .With solidifying, consolidating or shaping
  4       .Laminated or fibrous mineral material
  5       .By utilizing kinetic energy of projected or suspended material
  6       .Cereal and other seeds or seed parts
  7       ..With operation to detach or loosen adhering hull portion
  8       ..With application of fluid to, or heating or cooling of, whole
             seed
  9       ..With separation or classification
  10      ...With recombination or recirculation of separated parts
  11      ...Successive alternate separation and comminution steps
  12      ..With application of fluid
  13      ..Plural successive comminuting operations
  14      .Selective or differential comminution of mixed or bonded
            solids
  15      .With application of fluid or lubricant material
  16      ..To aid dispersion or prevent chemical reaction, deliquescence,
             agglomeration or frothing
  17      ..With additional heating or cooling
  18      ..Gas or vapor
  19      ...To classify or separate material
  20      ..Liquids added to classify or separate material
  21      ..Liquids added to make pulp or suspension
  22      .Application of solids to material
  23      .With heating or cooling of material
  24      .With classification or separation of material
  25      .Combined
  26      .By contact between relatively moving portions of material
  27      .Subjecting material to impact by moving comminuting surface
  28      .Wood and similar natural-fibrous vegetable material
  29      .Plural successive comminuting operations
  30      .Miscellaneous
  *       APPARATUS
  31      .With explosion preventing or relieving means
  32      .With overload release means
  32.5    .With sink drain stopper interlock
  33      .With automatic control
  34      ..Of feed of material
  35      ...By speed or torque of comminutor drive
  36      ..Of comminutor drive
  37      ..Of comminuting surface contiguity
  37.5    .With means to protect operator from injury
  38      .Including means applying fluid to material
  39      ..Fluid comminutor type
  40      ...Stationary abutment impact only
  41      ..Plural fluid applying means on same material
  42      ...With plural comminuting zones
  43      ..With plural comminuting zones
  44      ...Parallel material flow type
  45      ...Horizontal fluid current past successive comminuting zonee
  46.01   ..Liquid submerged comminuting zone
  46.012  ...Combined with dishwasher
  46.013  ...Under-sink garbage disposal
  46.014  ....Having particular housing structure
  46.015  .....Provision to mount to sink
  46.016  .....Inlet provision
  46.017  ...Striker having vertical axis
  46.02   ...With material feed means
  46.04   ...Including adjustable component
  46.06   ...By cooperating members
  46.08   ....Including centrifugally driven striking member (i.e.,
               hammer mill)
  46.11   ....Including impeller-type agitating means
  46.13   ....Reciprocating or oscillating
  46.15   ....Including roller or roller-like member (e.g., ball,
               cylinder, etc.)
  46.17   ...By rotating impeller-type agitating means
  47      ..Gas swept comminuting zone
  48      ...With recirculation of gas to comminuting zone
  49      ...Gas borne material applied to screen
  50      ....Elevating fan on comminutor shaft
  51      ....Screen forms part of comminuting surface
  52      ...With return of removed oversize material to comminuting zone
  53      ....Suction applied above and coaxially of comminuting member or
               members
  54      ...Horizontal gas current though rotary drum
  55      ...Comminuting element or comminuting element attached, gas
              moving means
  56      ...Gas moving means and rotary comminuting element on same
              shaft
  57      ...Local application within comminuting zone
  58      ...Suction applied above and coaxially of comminuting member or
              members
  59      ...With non-automatic gas flow control means
  60      ..Applied subsequently to comminuting
  61      ...With recirculation of material to comminuting zone
  62      ..Applied prior to comminuting
  63      .With simultaneous control of interrelated feed, drive and/or
            surface positioning means
  64      ..Control of feed and surface positioning means only
  65      .With temperature modification of material
  66      ..Temperature modification of comminuting member
  67      ...Thermal fluid within or carried by moving comminuting member
  68      .With separation or classification of material
  69      ..Comminuted material discharge permitting screen
  70      ...Screen partition or end wall in rotary drum
  71      ....Plural partitions or end walls
  72      .....Series flow of material
  73      ...Arcuate screen concentric with rotary comminuting member
  74      ...Annular screen above or surrounding comminuting zone
  75      ..Parallel material flow through plural comminuting zones and/or
             separators
  76      ..Series material flow only through plural alternate comminuting
             zones and separators
  77      ..Comminuting zone interposed between plural separators
  78      ..Separator interposed between plural comminuting zones
  79      ..Separator in discharge from comminuting zone
  79.1    ...By adhesion, electric field force, specific gravity, orr
              chemical change
  79.2    ...Rotating comminutor combined with a sifting device
  79.3    ....Sifting device rotates
  80      ...Oversize return to comminuting zone
  81      ..Separator in feed to comminuting zone
  82      .Projected material trap chamber
  82.1    .Helical pusher inside tube moves material toward
            perforated member
  82.2    ..With means to vary particle coarseness
  82.3    ..Wherein the perforated member is other than flat
  82.4    ..With series of axially aligned rotary knife blades
  82.5    ..With rotary knife before member
  82.6    ...Tube having configured interior surface
  82.7    ..With rotary knife after member
  83      .Comminuting surface provided with openings to permit discharge
            of material
  84      ..Cooperates with moving comminuting surface or member
  84.1    ...Loose cylinder or sphere
  84.2    ...Travelling roll surface or member
  84.3    ...Oscillating surface or member
  84.4    ...Rectilinearly reciprocating surface or member cooperates
              with rotary comminuting member
  85      ...Rotary comminuting surface having openings cooperates with
              moving surface
  86      ...Cooperates with rotary comminuting member
  86.1    ....Material thrown against perforated surface by
               centrifugal force
  86.2    ....Comminutor mounted for movement relative to rotating
               support member
  87      ....Screen or screen elements move during comminution
  87.1    ....Offset fingers on stationary surface and on rotary
               member
  88      ....Provided with special comminuting surfaces or
               characteristics
  88.1    .....Perforation bounded by sharp edge
  88.2    .....And auxiliary imperforate surface (e.g.,
                breakerplate)
  88.3    ......Three or more serially acting alternate perforate and
                 imperforate surfaces
  88.4    .....Spaced parallel bars (e.g., "grate")
  89      ....Hinged or dumping type screen or support
  89.1    ....With means to change or adjust comminuting position of
               screen or screen element
  89.2    ....Removable or interchangeable screen or screen portion
  89.3    ....Stationary concave surface
  89.4    ....Stationary flat circular surface
  91      ..Rotating comminuting surface having openings
  92      ...Radial comminuting face
  93      ...Outer peripheral comminuting face
  94      ..Reciprocal comminuting surface having openings
  95      ..Stationary comminuting surface having openings
  96      .Oversize rejection by comminuting surface
  97      .With recirculation of material to comminuting zone
  98      .With agitator
  99      .Bottle breakers
  100     .With independent removable or detachable material receiver or
            receiver engaging means
  101.01  .Combined or convertiblee
  101.1   ..Convertible to non-comminuting apparatus
  101.2   ..Combined with non-comminuting means
  101.3   ...With means to indicate condition of apparatus, work or
              product
  101.4   ...Prior shaping means (e.g., quartering)
  101.5   ...With material handling other than to or from comminuting
              zone
  101.6   ....And means to mix plural materials
  101.7   ...With ambulatory support
  101.8   ...With mixer
  102     .Comminuting surface deformable by contact with material
  103     .Rolls frictionally driven and supported by relatively moving
            surfaces (e.g., ball chasers)
  104     ..With additional diverse type of comminutor
  105     ..Plural comminuting zones
  106     ..Frictional drive surface on horizontal axis
  107     .Plural rotary or oscillatory surfaces cooperate with common
            surface (e.g., chasing mills)
  108     ..With additional diverse type of comminutor
  109     ..With material feeding mechanism or control
  110     ..Plural surfaces move across common surface
  111     ..Outer peripheral contact of common surface by plural surfaces
  112     ...With surface cleaner or scraper
  113     ..Plural surface cooperate with each other
  114     ..Radial faces of plural rotary surfaces cooperate with common
             surface
  115     ..Plural sets of plural surfaces cooperating with plural common
             surfaces
  116     ...Coaxial rotors radially arranges on same side or common
              surface axis
  117     ..Common surface moves during comminution
  118     ...With planetary movement of plural surfaces
  119     ...With material moving or discharge means
  120     ...Positively driven plural surfaces
  121     ...Plural surfaces forcible away from common surface
  122     ....Common surface rotates on horizontal axis
  123     ..Planetary movement of plural surfaces
  124     ...With material moving or discharge means
  125     ...Compounded planetary movement
  126     ...Positively driven plural surfaces
  127     ...Forcible away from common surface
  128     ....Pivotally mounted for forced movement
  129     .....Centrifugally urged toward contact
  130     ......With centrifugal force modifying means
  131     ....Centrifugally urged toward contact
  132     ....With means in addition to weight of plural surfaces for
               urging surfaces toward contact
  133     ....Rotors independently forcible away from common surface
  134     .Parallel material flow through plural comminuting zones
  135     ..With unitary or interconnected feed mechanisms or controls for
             plural zones
  136     ...Interconnected means forcing material against moving
              comminuting surface or surfaces
  137     ..All comminuting zones of loose grinding body type
  138     ..All comminuting zones of rotary striking member type
  139     ..All comminuting zones of cooperating surface type
  140     ...All comminuting zones of compound movement type
  141     ...All comminuting zones of rotary surface typee
  142     ....Circumferential or tangential material flow only
  143     .....All cooperating surfaces rotate
  144     ......Rotary surfaces of separate zones coaxial
  145     ......Simultaneous adjusting or positioning of separate
                 surfaces
  146     ....Axial or radial material flow only
  147     ...All comminuting zones of reciprocating surface type
  148     ....Oscillating surface
  149     ....Vertical rectilinear movement
  150     .....Annularly mounted moving surfaces
  151     ..All comminuting zones of single surface zones
  152.1   .Series material flow only through plural comminuting
            zones
  152.2   ..Diverse type comminuting zones
  153     ..All comminuting zones of loose grinding body type
  154     ..All comminuting zones of rotary striking member type
  155     ..All comminuting zones of cooperating surface type
  156     ...All comminuting zones of compound movement type
  157     ...All comminuting zones of rotary surface type
  158     ....Circumferential or tangential material flow only
  159     .....All cooperating surfaces rotate
  160     .....One surface of each couple nonrotary
  161     ....Axial or radial material flow only
  162     .....Common axis of rotation
  163     ......Horizontal axis
  164     ...All comminuting zones of reciprocating surface type
  165     ....Vertical rectilinear movement
  165.5   ..All comminuting zones of rotating noncooperating type
  166     .With comminuting member cleaner or scraper
  167     ..Contacting working surfaces of rotary comminuting member
  168     .Hand support comminutor
  169     ..Reciprocating cooperating comminuting surfaces
  169.1   ..Rotary tool
  169.2   ..Masher or pestle
  170     .Loose grinding body comminutor (e.g., ball or rod mills)
  171     ..With feed and/or discharge
  172     ..With independent means moving or guiding the material and/or
             grinding bodies in receptacle
  173     ...Rotary grinding body pusher (e.g., ball chasers)
  174     ....Horizontal axis
  175     ..Compound movement receptacle
  176     ..Rotating receptacle
  177     ...Tiltable axis of rotation
  178     ...Roller supported receptacle
  179     ..Receptacle structure
  180     ...With non-axial opening
  181     ...With lifting or distributing at extremity of receptacle
  182     ...With lining
  183     ....With lifting or distributing characteristics
  184     ..Grinding bodies
  185.5   .Rotary striking member with feed or discharge conveyor or
            regulator
  185.6   ..Rotary striking member combined with pump
  186.1   ..With distinct plural paths to striking member
  186.2   ..Feed or discharge regulator
  186.3   ...Including means to alter direction of flow
  186.35  ..Endless loop feed or discharge conveyor
  186.4   ..Rotating or oscillating feed or discharge conveyorr
  186.5   ...Screw feed or discharge conveyor
  187     .Rotary striking member with moving cooperating surface or
            member
  188.1   .Rotary striking member with axial or radial flow of
            material
  188.2   ..Radial flow, pin-disc comminutor, overlapping pins on
             cooperating members
  189.1   .Rotary striking member with circumferential or tangential
            flow
  189.2   ..Reversible rotary mill
  190     ...With intermeshing impact members
  191     .Rotary striking member, rotor structure
  192     ..With striking member adjusting means
  193     ..With loosely mounted striking member
  194     ..Striking member pivoted to rotor
  195     .Rotary striking member or hammer
  196     ..Loose ring type
  197     ..With attached wear member
  198.1   .Cooperating comminuting surfaces (e.g., jaw crusher)
  199     ..Batch type (e.g., mortar and pestle)
  199.1   ...With means to move batch container or support
  199.2   ....Intermittent movement of support interrelated with
               movement of cutter or knife
  199.3   .....Rectilinearly reciprocating knife
  199.4   .....Rocking knife
  199.5   ....Uni-directional movement of support
  199.6   .....With means to feed or discharge batch
  199.7   .....With revolving tool
  199.8   .....With rectilinear reciprocating tool
  199.9   ...Stationary container or support
  199.11  ....With rectilinear reciprocating tool
  199.12  ....With rotary tool
  200     ..Endless belt type comminuting surface or surfaces
  201     ..Compound movement comminuting surface or surfaces
  202     ...With feeding and/or discharging mechanism or control
  203     ...Rotary component
  204     ....Circumferential or tangential flow of material
  205     ....Rotating and reciprocating surface
  206     ....With moving cooperating surface
  207     ....Gyratory or planetary movement
  208     .....Eccentric drive sleeve within gyratory member
  209     .....With upper guide or support for gyratory member
  210     ......Unbalanced weight drive
  211     ......Gyratory member yieldinly mounted
  212     ......Upper gyratory drive
  213     ......Bottom shaft adjusting means
  214     .....Eccentric shaft gyratory drive
  215     .....Eccentric gyratory sleeve below gyratory member
  216     .....With gyratory member sealing means
  217     ...Unitary comminuting member and eccentric strap
  218     ....With moving cooperating surface
  219     ...Comminuting member pivoted to oscillating supporting link
  220     ..Rotary surface (or surfaces)
  221     ...Circumferential or tangential flow of material (e.g., roll
              mills or roll and concave mills)
  222     ....With material feed and/or discharge mechanism or control
  223     .....Endless belt conveyer
  224     .....Hopperr
  225     ......With roll or rotary material agitator
  226     ....With material retaining means at axial end of rotary
               surface
  227     ....Both cooperating surfaces rotate (e.g., roll mills)
  228     .....Internal comminuting surface
  229     .....Surfaces rotate in same direction and/or mounted on
                non-horizontal axis
  230     .....Adjustably or yieldably mounted rotary surface
  231     ......Hydraulic or pneumatic mounting and/or axially yieldable
                 or adjustable
  232     ......Pivoted roll support
  233     .......Adjustable pivot
  234     ......Both rotating surfaces adjustable or yieldable
  235     .....Cooperating non-smooth surface characteristic
  236     ......Intermeshing
  237     ....With non-rotary surface moving means
  238     ....With plural alternatively usable nonrotary surfaces and/or
               retractable rotor projections and/or adjustably or yieldably
               mounted rotary surface
  239     ....Nonrotary surface adjustable or yieldable relative to rotary
               surface
  240     .....Sectional nonrotary surface having independently adjustable
                or yieldable parts
  241     .....Radially of rotary surface
  241.5   ......Single roll jaw crusher
  242     ....Cooperating non-smooth surface characteristics
  243     .....Intermeshing
  244     ...Axial or radial flow of material (e.g., disc mill, or cone
              and shell mill)
  245     ....With feed and/or discharge mechanism or control
  246     .....Axially mounted rotary propeller or screw
  247     ......Horizontal axis
  248     .....Hopper supply
  249     ......Subjacent shaking shoe or receptacle
  250     ....With moving cooperating surface
  251     .....Both cooperating surfaces rotate
  252     ......Non-coaxial or eccentric
  253     ......Vertical axis
  254     ....With rotary surface axis noncoaxial or eccentric relative to
               nonrotary surface axis
  257.1   ....Vertical axis
  258     .....Rotary shaft supported above rotary comminuting member
  259     .....Adjustable rotary member
  259.1   ....With means vary space between surfaces
  259.2   .....By fluid
  259.3   .....Surface yieldably held in position
  260     ....Cooperating non-smooth surface characteristics
  260.1   .....Worm or screw comminutor
  261     .....Intermeshing
  261.1   .....Conoidal surface
  261.2   .....Opposed, flat coaxial surfaces (e.g., disk mill)
  261.3   ......Having plural angularly related land and groove
  262     ..Reciprocating surface or surfaces
  263     ...Parallel motion
  264     ...Oscillating comminuting surface
  265     ....With feed and/or discharge mechanism or control
  266     ....With moving cooperating surface
  267     ....Link and eccenric type actuatorr
  268     ....Serial pivoted links type actuator or link with lever type
               actuator (e.g., toggle type)
  269     .....Means actuating pivot of serial links
  270     ...Vertical rectilinear movement (e.g., stamp mills)
  271     ....With feeding and/or discharging mechanism or control
  272     ....With means to rotate moving surface on non-comminuting
               stroke
  273     ....Gravity projected surface only
  273.1   .Multi-barbed comminuting face (e.g., grater)
  273.2   ..On radial face
  273.3   ..Cylindrical
  273.4   ..Stationary curved face
  274     .Stationary comminuting surface or material bed
  275     ..Centrifugal projection of material
  276     ..Conveyer material forcing means (e.g., scroll type or
             locomotive stoker type
  277     .Rotating comminuting surface
  278.1   ..Radial comminuting surface
  278.2   ..Internal comminuting surface
  279     ..with means to support material for rotation during
             comminution
  280     ..With means to force material toward periphery of comminuting
             surface
  281     ...Means engaging sides of column of material
  282     ...Radially arranged rectilinearly reciprocating follower
  282.1   ..Elongated edged member
  282.2   ...Detachably secured to a rotary element
  283     .Reciprocating comminuting surface
  284     .Mutual attrition or compression comminutors
  285.1   .Comminuting mounting means, frames or other normally
            stationary structure
  285.2   ..Removable or displaceable housing section
  285.3   ...Pivoted housing section
  286     ..With means to adjustably or yieldably mount normally
             stationary comminuting element
  287     ...Pivotally mounted
  288     ....Self-adjusting (e.g., universal mounting)
  289     ....Yielding
  290     ...Yieldingly mounted
  291     .Comminuting elements
  292     ..with balancing means
  292.1   ..Edged blades extending radially
  293     ..Cylindrical or frusto-conical (i.e., peripheral comminuting
             face)
  294     ...Sectional or separable surface element
  295     ....Annular sections
  296     ..Disklike comminuting surface (i.e., radial comminuting face)
  297     ...Plural comminuting faces
  298     ...Prefabricated assembled surface sections or parts
  299     ..Annular internal comminuting face
  300     ..Wear face to backing connections
  300.1   ..Plural stationary edged blades
  301     .Miscellaneous
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       ******************************
  600     FURNACE STOKERS
  601     SAND MULLERSS
  602     SOAP DISPENSERS
  603     ANIMAL POWERED MILL
  604     PLURAL INLETS FOR DIVERSE SOLID MATERIALS
  605     HAY UNBALER
  606     MEDICAL/SURGICAL WASTE COMMINUTION
  *       ******************************
  *       DIGESTS
  *       ******************************
  DIG 10  Foundry sand treatment
  DIG 14  Grinding in inert, controlled atmosphere
  DIG 17  Ice crushers
  DIG 27  Pill or tablet crushers
  DIG 30  Rubber elements in mills
  DIG 31  Rubber preparation
  DIG 37  Cryogenic cooling
  DIG 38  Solid waste disposal