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: 901
 Class Title: ROBOTS

Subclass  Subclass
Number    Title

  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       ******************************
  1       MOBILE ROBOT
  2       ARM MOTION CONTROLLER
  3       .Teaching system
  4       ..Manual lead through
  5       ..Machine driven lead through
  6       .Communication with another machine
  7       ..Conveyor
  8       ..Robot
  9       .Closed loop (sensor feedback controls arm movement)
  10      ..Sensor physically contacts and follows work contour
  11      .Mechanically actuated present limit
  12      ..Cam
  13      ..Limit switch
  14      ARM MOVEMENT (SPATIAL)
  15      .Jointed arm
  16      .Cartesian (X-Y-Z arm)
  17      .Cylindrical
  18      .Spherical
  19      DRIVE SYSTEM FOR ARM
  20      .With provision for altering speed of driven element
  21      .Flaccid drive element
  22      .Fluid motor
  23      .Electric motor
  24      ..Stepper motor
  25      .Gearing
  26      ..Including bevel gear
  27      ARM PART
  28      .Joint
  29      ..Wrist
  30      END EFFECTOR
  31      .Gripping jaw
  32      ..Servo-actuated
  33      ...Tactile sensor
  34      ...Force feedback
  35      ...Proximity
  36      ..Actuating means
  37      ...Fluid motor
  38      ...Electric motor
  39      ..Jaw structure
  40      .Vacuum or mangetic
  41      .Tool
  42      ..Welding
  43      ..Spray painting or coating
  44      .Inspection
  45      .Compliance
  46      SENSING DEVICE
  47      .Optical
  48      COUNTERBALANCE
  49      PROTECTIVE DEVICEE
  50      MISCELLANEOUS