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: 483
 Class Title: TOOL CHANGING

Subclass  Subclass
Number    Title

  1       PROCESS
  2       WITH SAFETY MEANS
  3       .Guard
  4       WITH MEANS TO REGULATE OPERATION BY MEANS OF REPLACEABLE
           INFORMATION SUPPLY (E.G., TEMPLET, TAPE, CARD, ETC.)
  5       .Replaceable information comprising tool location
  6       ..Including determining optimum tool access path
  7       WITH CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED
           BY CONDITION SENSOR
  8       .Responsive to tool identifying information
  9       ..Identifying information on tool or tool holder
  10      .Responsive to tool
  11      ..Including means to monitor and control, i.e., adaptive
             machining
  12      WITH SIGNAL OR INDICATOR
  13      WITH MEANS TO CONDITION OR ADJUST TOOL OR TOOL SUPPORT
  14      WITH MEANS TO TRANSFER WORK
  15      .Plural machine tools, e.g., flexible manufacturing
  16      INCLUDING MACHINE TOOL OR COMPONENT
  17      .Rotating work machine tool (e.g., screw machine, lathe, etc.)
  18      ..Tool support comprises rotary spindle
  19      ..Tool having specific mounting or work treating feature
  20      ...Workpiece holder (e.g., chuck or chuck jaw, collet, etc.)
  21      ...Turning tool insert changer
  22      ..Tool changer between tool support and matrix
  23      ...Plural matrices
  24      ...Tool support comprises turret
  25      ....Linearly moveable tool changer
  26      ...Linearly moveable tool changer
  27      ..Direct tool exchange between tool support and matrix
  28      .Reciprocating tool machine tool (e.g., broaching machine,
            shaping machine, etc.)
  29      ..Including matrix
  30      .Rotary spindle machine tool (e.g., milling machine, boring,
            machine, grinding machine, etc.)
  31      ..Tool having specific mounting or work treating feature
  32      ...Tool head
  33      ...Abrading wheel
  34      ...Including means for angularly orienting tool and spindle
  35      ....Spindle angularly oriented to align with tool
  36      ..Tool changer between spindle and matrix
  37      ...Plural matrices
  38      ...Including tool holder pivotable about axis
  39      ....Plural tool holders pivotable about common axis
  40      .....Including intermediate tool changer
  41      ......Intermediate tool changer includes tool holder pivotable
                 about axis
  42      .....Tool holders pivotable with respect to each other
  43      .....Tool holders pivotable about plural nonparallel axes
  44      .....Linearly movable tool holders
  45      ......Extensible tool holders
  46      ......Translatable axiss
  47      ....Distinct tool changer for each tool
  48      ....Including intermediate tool changer
  49      ....Linearly movable tool holder
  50      ....Tool holder pivotable about plural nonparallel axes
  51      ...Including linearly translatable tool changer (e.g., shuttle,
              ram, etc.)
  52      ....Plural tool holders
  53      ....Orthogonally translatable
  54      ..Direct tool exchange between spindle and matrix
  55      ...Spindle comprises tool changer
  56      ....Matrix indexes selected tool to transfer position
  57      ...Including means to project tool from matrix
  58      TOOL TRANSFER TO OR FROM MATRIX
  59      .Matrix including means to latch tool
  60      .Matrix including means to project tool for transfer
  61      ..Rectilinear
  62      ..Pivoting
  63      .Plural matrices
  64      ..including tool replenishing
  65      .Including tool pot or adapter
  66      .Indexing matrix
  67      ..Rotary disc
  68      ..Chain or belt
  69      MISCELLANEOUS
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       ******************************
  900     GRIPPING PORTION ENGAGES TOOL SIMULTANOUS WITH TOOL ROTATING IN
           SPINDLE
  901     ROBOT END EFFECTORS
  902     TOOL GRIPPERS