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: 144
 Class Title: WOODWORKING

Subclass  Subclass
Number    Title

  329     PROCESS
  330     .Repairing or reconstructing
  331     ..Bowling pin
  332     ..Plywood, veneer or board
  333     .Rattan or bamboo working
  334     .Stump removing
  335     .Timber harvesting or processing
  336     ..Tree felling
  337     ...And chipping
  338     ...Including delimbing and cutting trunk to length
  339     ...By shearing
  340     ..Debarking
  341     ...Mechanical (e.g., frictional, impacting, cutting)
  342     ....Including pretreatment
  343     ..Delimbing
  344     .Securing
  345     ..And cutting or shaping
  346     ...Surface bonding
  347     ....Of interengaging work parts (e.g., dovetail)
  348     ....With heat application
  349     ....Bending concurrent or subsequent to bonding
  350     ....Cutting or shaping subsequent to bonding
  351     .....Followed by additional bonding
  352     ....With pressure application
  353     ...By separate mechanical fastener
  354     ...Interengaging work parts
  355     ...Shaping by cutting
  356     .Including monitoring of operation
  357     ..By means which determines dimension of work
  358     .Embossing or imprinting
  359     .Mechanical cutting or shaping
  360     ..With combined steps of shaping by cutting and forming
  361     ..Fiber working or reorientation
  362     ...Roller movement parallel to grain
  363     ..Cutting
  364     ...With heating, cooling, or fluid application
  365     ...Turning, boring or drilling
  366     ...Including splitting
  367     ...Plural discrete diverse cutting operations
  368     ....Including grooving
  369     ....Including slicing, slitting, chipping, or planing
  370     .....Chipping
  371     ...Routing or grooving
  372     ...Using template or pattern
  373     ...Chipping or planing
  374     ....Using ganged cutting discs
  375     ....Using cylindrical tool
  376     ...Longitudinal sawing
  377     ....Longitudinally tapered work or product
  378     ....Log or cant sawing
  379     ...Transverse sawing
  380     ..With heating, cooling or fluid applicationn
  381     ..Bending
  50      MATCH MAKING
  51      .Wax and paper
  52      .Cutting, framing, and dipping
  53      ..Die punches
  54      .Cutting and framing
  55      ..Die punches
  56      ...Fixed
  57      .Cutting and coiling
  58      .Framing and dipping
  59      .Coiling
  60      .Dipping
  61      .Box filling
         .Dipping frames
  62      ..Emptying
  63      ..Filling
  64      ...Hopper feed
  65      .Dipping frames
  66      .Splint feed mechanism
  207     OSIER PEELERS
  208 R   ROSSING BARK
  208 A   .Disk knife
  208 B   .Drums and tanks
  208 C   .Hand tools
  208 D   .Hydraulic
  208 E   .Hollow head cutter
  208 F   .Simultaneously rotating and advancing log
  208 G   .Non-traveling log
  208 H   .Step-by-step
  208 J   .Chain, cable, flail, hammer or percussive tool
  208 K   .Tree climber
  2 R     SPECIAL-WORK MACHINES
  3 R     .Combined
  5       ..Blind and sash cutting
  6       ...Relishing
  7       ..Box blank
  8       ..Chair-round tenoning and sawing
  9       ..Clothespin
  10      ..Conveyor flight
  11      ..Handle
  12      ..Pin
  13      ..Shingle
  14      ..Spool
  15      ..Wheel tenoning and boring
  16      ..Wheel hub
  18      ..Wheel-spoke tenoning and sawing
  19      ..Window-stile-pocket cutting
  4       ..Circular section
  3 A     ..Electrical sequence control
  3 B     ..Electrical, hydraulic sequence control
  3 C     ..Hydraulic sequence control
  3 D     ..Timber cutting and handling
  3 E     ..Assembly-line type
  3 F     ..Pivoted traveling
  3 G     ..Wheels and hubs
  3 H     ..Gaining and boring ties
  3 J     ..Tract car
  3 K     ..Spittingg
  3 L     ..Box making
  3 M     ..Cord and strip wood connector
  3 N     ..Printing or marking
  3 P     ..Slabbing-off, log squaring
  3 Q     ..Mechanical sequence
  3 S     ..Mechanical sequence by tape
         .Single or combined
  20      ..Disk cutting and boring
  21      ..Disk cutting
  23      ...Rotary tubular cutter
  24      ...Sweep cutter
  25      ..Box hooping
  26      ..Comb-teeth cutting
  27      ..Hinge-seat cutting
  29      ..Piano-hammer felting
  28      ..Pencil-wood making
  28.1    ..Pencil sharpening
  28.11   ...Hand-manipulable
  28.2    ...Including elongated work holder or guide for
              edge-beveling
  28.3    ...Movable tool
  28.4    ....Work-actuated tool drive
  28.5    ....Work-controlled switch for tool drive
  28.6    ....Rotatable or revoluble
  28.7    .....Planetary
  28.71   ......Plural tools
  28.72   .....Including orbital or electric motor drive
  28.8    .....Work holder or guide also rotary
  28.9    ....Rotary work holder or guide
  30      ..Pin pointing
  33      ..Tray making
  34 R    ..Tree felling
  34 A    ...Tree pullers and pushers
  34 B    ...Tree felling methods
  34 C    ...Anti-split clamps
  34 D    ...Burning and charring
  34 E    ...Shears
  34 F    ...Single blade and pass
  2 A     .Core and panel machines
  2 B     .Box hinging
  2 C     .Box making
  2 D     .Block surfacing
  2 E     .Cork cutting and making
  2 F     .Shuttles and bobbins
  2 G     .Ten pins
  2 H     .Bowling balls
  2 J     .Timber punching
  2 K     ..Perforating and expanding
  2 L     .Ring joints
  2 M     .Patch cutting
  2 N     .Stump removing
  2 P     .Ratan
  2 Q     .Ladder
  2 S     .Racks and grids
  2 T     .Stagging
  2 UA    .Oil cake trimmer
  2 V     .Wooden shoes and lasts
  2 W     .Coat hangerr
  2 XA    .Golf clubs
  2 Y     .Lifters
  2 Z     .De-limbing
  2 AA    .De-knotting
  1 R     COMBINED MACHINES
  35 R    .Boring and sawing
  35 A    ..Attachments for converting one tool to other
  36      .Planing and matching
  37      .Planing, matching, and dividing
  38      .Planing and polishing
  39      .Planing and sawing
  40      .Riving and shaving
  41      .Shaping and dividing
  42      .Slicing and scoring
  43      .Slicing and shaving
  44      ..Converging knives
  46      .Turning and boring
  47      .Turning and polishing
  48      .Turning and sawing
  1 A     .Turret tools
  1 B     .Coaxial tools, different work levels
  1 C     .Tippable frame
  1 D     .Combined bandsaw
  1 E     .Hand-held
  1 F     ..Attachments to hand-held
  1 G     .Different motor positions
  1 H     .Levels on machine
  1 J     .Flexible shaft drive
  49      MISCELLANEOUS SINGLE-OPERATION
  *       MACHINES MORTISING
  67      .Multiple chisel
  68      ..Portable
  69      .Auger cutter
  70      ..Portable
  71      ..Automatic step feed
  72      .Chain cutter
  73      ..Portable
         .Chisel
  74      ..Boring and mortising
  75      .Chisel
  76      ..Portable
  77      .Chisel reversers
  78      .Hollow chisel and bit
  79      ..Portable
  80      .Oscillating chisel
  81      ..Portable
  82      .Rotary cutter
  83      ..Portable
  84      .Work supports
  85      DOVETAILING
  86      .Consecutive cutters
  87      .Frusto-conical bit
  88      .Inclined chisel
  89      .Inclined rotary disk
  90 R    MATCHING
  91      .End
  90 A    .Matching cutters
  92      BORINGG
  93 R    .Special work
  93 A    ..Lasts
         .Brush
  96      ..Tilting work holder
  97      .Wheel hub
         ..Axial
  98      ...Stationary bitstock
  99      ...Stationary work
  100     ....Inclined bitstock
  103     .Swinging
         .Portable
  104     ..Hand
  106     ...Angularly adjustable
         .Long work
  108     ..Hand-operated step feed
  *       PLANERS
  114 R   .Miscellaneous
  114 A   ..Sharpeners
  115     .Scrapers
         .Beveling
  124     ..Lateral
         ..Longitudinal
  125     ...Inclined work pocket
  126     ...Shifting cutter
  127 R   ...Shifting work support
  127 A   ....Shingle planer
         .Rotary cutter
         ..Cylinder
  116     ...Double surfacers
  117 R   ..Cylinder
  131     ...Bearings
  117 A   ...Inclined
  117 B   ...Edge trimmer
  117 C   ...Traveling
  118     ..Disk
  119 R   ...Traveling
  119 A   ....Bowling alleys
  120     .Stationary cutter
  132     ..Bit adjustments
  121     .Reciprocating cutter
  122     ..Lateral
  123     .Endless cutter carrier
  128     .Endless bed
  129     .Bed adjustments
  130     .Cutter adjustments
  133 R   GAINING
  133 A   .Tie gaining, ties (skepers) pass through machine
  133 B   .Traveling on railway track
  *       SHAPING
  134 R   .Miscellaneous
  134 A   ..Vertical spindle
  134 B   ..Overhanging
  134 C   ..Overhanging, horizontal swinging cutter
  134 D   ..Hand tools
  134 E   ..Sabot and shoe making
  134 F   ..Heel forming
  135     .Box trimming
  136 R   .Groovingg
  136 A   ..Core boy
  136 B   ..Stringer
  136 C   ..Hand tool
  136 D   ..Hand holds
  136 E   ..Battery spacers
  136 F   ..Umbrella sticks
  136 G   ..Corner grooves
  136 H   ..Log or poles
  136 J   ..Gunstock
         .Pattern
  137     ..Miscellaneous
  138     ..Polygonal forms, indexed work
  139     ..Rotating table, shifting cutter
  140     ..Gear-guided cutter
  141     ..Crank-guided cutter
         ..Cam
  142     ...Cutter guiding
  143     ...Work guiding
         ..Templet
  144 R   ...Cutter guiding
  144.5 R ....Templets
  144.5 GT.....Guide track
  144 A   ....Tool support swingable in horizontal
  144 B   ....Propellers
  144 C   ....Violins
  144 D   ....Oars
  145 R   ...Work guiding
  145 A   ....Vertical spindle cutter
  145 B   ....Shaping lasts
  145 C   ....Vertical spindle, anti-friction collar
  146     .Oscillating knife
  147     .Reciprocating knife
  148     .Reversible cutter
  149     .Pattern knife, swinging frame
  150     .Rotary cutter, end thrust
  151     .Universally jointed cutter shaft
  152     ..Curved-work guide
  153     .Curved-bar work support
  154     .Rotary work carrier
  *       SHAVING
  155     .Fixed knife
  156     ..Circular knife block
  157     ..Drum feed
  158     ..Roller feed
  159     .Knife pair
  160     ..Gripper
  161     ..Roller feed
  162 R   SLICERS
  163     .Reslicers
         .Strip cutting
  164     ..Converging knives
  165     ...Lathe feed
  166     ..Lathe feed
  167     .Arc cut
         .Beveling
  168     ..Alternate end feed
  169     ..Shifting, knife guide
  170     ..Tilting gaugee
  171     ..Tilting table
  172     .Cylinder
  173     ..Grooving
  174     ..Radial knife
  175     .Fixed knife
  176     .Rotary disk
         .Stay log
  177     ..Oscillating
  178     ..Reciprocating
  179     ..Screw feed
  180     .Hopper feed
  181     .Roller feed
  162 A   .Bottom cutting
  162 B   .Tapered products
  182     RIVING
  183     .Beveling
  184     .Fixed knife
  185     SLIVERING
  186     .Scoring plane
  187     ..Endless belt
  188     ..Rotary
  189     .Gang saw
  190     .Plunger and fixed knife
  191     .Receiving and handling devices
  192     SPLITTING AND BUNDLING
  193 R   SPLITTING
  194     .Self-feeding
  195     ..Roller and belt
  193 A   .Fluid pressure wedge or anvil
  193 B   .Drop type
  193 C   .Hand tools
  193 D   .Wedges to be driven
  193 E   .Wedges, stationary
  193 F   .Anvils, chopping or splitting blocks
  193 G   .Splitting guns
  193 H   .Hand operated fixed splitting machines
  193 J   .Products are tapered or wedges shaped
  193 K   .With adjustable work support
  196     PUNCHING CUTTERS
  197     .Fixed die
  198 R   TENONING
  199     .Blind slat
  200     ..Rotary cutters
  201     ..Rotary gaining cutters
  202     .Chisel pair
  203     .Rotary gaining cutters
  204     ..Multiple tenon
  198 A   .Attachments to table saws
  205     TENON TURNING
  206     .Wheel spoke
  209 R   VENEER LATHES
  210     .Convertible
  211     .Inclined knives
  212     .Knives and knife blocks
  213     .Presser bars and rolls
  214     .Stay logs
  215     .Strip-cutting attachments
  209 A   .Log loading and/or centeringg
  209 B   .Eccentric curved cuts
  209 C   .Diagonal cuts and curved cutting edge
  216     MITER CUTTERS
  217     .Angle knife
  *       CUTTERS
         .Rotary
  218     ..Miscellaneous
  219     ..End thrust
  220     ..Frusto-conical
         ..Cylindrical
  221     ...Spiral bit
  230     ...Slotted bit seat
         ..Saw
         ...Double
  222     ....Intermediate cutter
  238     ...Wabble
  239     ...Distorted
         ...Single
  223     ....Side cutter
         ..Polygonal
  224     ...T-slot bit clamp
  225     ...Plane bit seat
  226     ...Convex bit seat
  227     ...Concave bit seat
         ..Radial arms
  228     ...Plane bit seat
  229     ...Slotted bit seat
         ..Disk
         ...Multiple clamping disks
  231     ....Tangential bit
  232     ....Pivoted bit
  233     ....Shank bit
  234     ...Eccentric segmental bit
         ...Side attached bit
  235     ....Edge cutting
         ...Multiple
  236     ....Pattern
  237     ...Gang
  240     ..Solid
  241     ...Bits
  251 R   CUTTER GUARDS
  251 A   .Vertical spindle
  251 B   .Laterally urged
  252 R   CUTTER HOODS AND DUST CONVEYERS
  252 A   .With sifter, sorter, or separator
  242 R   FEED OR PRESSER MECHANISM
  243     .Presser bars and chip breakers
  244     ..Sectional
  245 R   .Blank feeders
  245 A   ..Endless
  245 B   ...With clamp
  245 C   ..Stackers
  245 D   ..Intermittent feed chain drive
  245 E   ..Pusher with retractable dog
  245 F   ..Feed from top of stack
         .Rolls
         ..Feed
  246 R   ...Miscellaneouss
  246 A   ....Resilient feed rolls
  246 B   ....Oblique means urge work laterally
  246 C   ....Special shaped rolls
  246 D   ....Rolls feed in direction of cut
  246 E   ....On overhanging arm
  246 F   ....Work centering and feeding
  246 G   ....Feelers and pre-sensing devices
  247     ...Spring pressed
  248     ...Weighted
  249 R   ..Presser
  249 A   ...Fluid pressure raised and/or lowered
  249 B   ...Laterally acting
  250 R   ..Sectional
  250 A   ...Multiple parts rigid assembly
  242 A   .Non-feeding presser means
  242 B   ..Feet
  242 C   ..Rolls
  242 D   ..Chains
  242 E   ..Lateral
  242 F   ..Reverse feed starters
  242 G   ..Turnovers
  242 H   ..Lifters
  242 J   ..Four motion feet
  242 K   ..Fluid pressure drive
  242 L   ..Reverse feed
  242 M   ..L-feeds
  253 R   WORK GUIDES
  253 A   .Knife edge
  253 B   .Side or edge eveners
  253 C   .Centering
  253 D   .Roll or collar coaxial with cutter
  253 E   .Work held by corner and/or diagonal work
  253 F   .Work urged lateral
  253 G   .Adjustable inclined work-engaging face
  253 H   .Simultaneous adjustments along length
  253 J   .Vertical spindle
  *       WOOD BENDING
  254     .Bending and drying
  255     .Bending rollers
  256.1   .Wood bending press
  256.2   ..End compressor
  256.3   ..Having opposed contoured rigid platens
  256.4   ...Three contoured rigid platens
  258     .Hoop gauging
         .Former
  259     ..Fixed
  260     ...Collapsible
  261     ...End thrust
  262     ...Radial arm and roller
  263     ...Strap and windlass
  264     ...Strap and lever
  265     ...Strap and screw
  266     ...Strap
  267     ..Pivotal
  268     ...Coiling
  269     .Clamps
  270     .Bends
  271     .Steamingg
  278 R   MACHINE WORK CLAMPS
  278 A   .Vacuum operated
  278 B   .Lasts, heels
  284     CORK AND BUNG PRESSES
  285     WORKBENCHES AND TOOL CHESTS COMBINED
  286 R   WORKBENCHES
  287     .Adjustable stock rest
  286 A   .Special shapes and structures
  288.5   LATH HOLDERS
  306     BENCH DOGS
  307     .Clamping
  308     .Removable