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.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any subclass letters capitalized. Currently Design Patent titles (those in the classes of the form Dxx.yy) are not retreivable.

Enter class/subclass code:


Class Number: D15
 Class Title: MACHINES NOT ELSEWHERE SPECIFIED

Subclass  Subclass
Number    Title

  1       ENGINE (1)
  2       .Steam type (includes element)
  3       .Vehicle
  4       ..Boat type (includes element)
  5       .Element or attachment
  6       ..Carburetor
  7       PUMP OR COMPRESSOR
  8       .Aquarium type
  9       .Compressor
  9.1     .Gasoline or oil pump (see Note 11)
  9.2     ..Plural
  9.3     ..With superposed globe (see Note 12)
  10      AGRICULTURAL OR CONSTRUCTION MACHINERY
  11      .Plow, tiller or element thereof (includes snow plow, blower)
  12      ..Powered
  13      .Material spreader (includes sprayer)
  14      .Lawnmower
  15      ..Rider type (2)
  16      ..Reel or sickle type
  17      ..Element or attachment
  18      ...Handle
  19      .Concrete, asphalt, or soil mixer
  20      .Compactor
  21      .Drilling, mining, or soil treatment (includes element)
  22      .Self-propelled
  23      ..Tractor type (includes grader or bulldozer)
  24      ...Endless track
  25      ...With scoop or blade
  26      ..Agricultural type
  27      .Trailing implement (includes lawn sweeper)
  28      .Element or attachment
  29      ..Disc, rotary hoe, or tooth
  30      ..Cab, e.g., enclosure for tractor, etc.
  31      ..Hood or radiator grille
  32      ..Scraper blade or loader element
  33      ..Frame or body
  66      TEXTILE, SEWING, KNITTING AND EMBROIDERING MACHINE
  67      .With treadle
  68      .Sleeve-type sewing surface
  69      .Sewing machine
  70      ..With carrying handle
  71      ..Kneehole type
  72      ..Element or attachment
  73      ...Surface ornamentation
  74      ...Leg or side frame
  75      ...Cover
  76      ...Frame, head, or arm
  77      .Cutting
  78      .Element or attachment
  79      REFRIGERATION MACHINERY AND APPARATUS
  80      .Ice maker
  81      .Freezer or refrigeratorr
  82      ..Ice cream type (includes element)
  83      ..Top loading
  84      ...Opposed doors
  85      ..Plural doors and/or drawers
  86      ...Three or more
  87      ...Superposed
  88      ..Vertical hinge alignment
  89      .Element or attachment
  90      ..Ice tray or mold
  91      ..Door
  122     MATERIAL WORKING, ABRADING, OR FOUNDING MACHINERY (6)
  123     .Deforming or crushing (includes element) (7)
  124     .Abrading
  125     ..Bench or table mounted
  126     ..Element or attachment
  127     .Cutting (8)
  128     ..Punching or stamping
  129     ..Shearing
  130     ..Turning, e.g., lathe, etc.
  131     ..Milling
  132     ..Drilling (9)
  133     ..Sawing (includes element)
  134     ...Band type
  135     .Molding or casting
  136     ..Mold or die
  137     ...Shoe type, e.g., last, etc.
  138     .Element or attachment
  139     ..Cutting tool, e.g., drill bit, etc.
  140     ..Tool or work holder
  141     ..Machine support or frame
  142     ..Lever or handle
  143     ..Bearing, bushing, or pillow block
  144     HEAT TREATMENT, WELDING OR BRAZING (INCLUDES INGOT)
  144.1   .Scientific, laboratory, or industrial heating equipment
  144.2   .Solid material melting, e.g., solder, etc.
  145     PACKAGING OR WRAPPING
  146     .Vacuum or heat seal
  147     VIBRATOR OR SEPARATOR
  148     DRIVE TRAIN (INCLUDES BELT AND PULLEY)
  149     .Transmission or speed reducer
  150     LUBRICATOR OR OIL COLLECTOR, E.G., DISPENSING, OIL CUP,
           RESERVOIR, ETC.
  151     .Service station type (see Note 13)
  152     ..With collecting means
  199     MISCELLANEOUS (10)