| Class Number |
Class Name |
Patents |
| 72/ |
Process (72/362) |
0 |
| 72/ |
Tool or tool holder (72/462) |
0 |
| 72/1 |
With randomly-actuated stopping |
29 |
| 72/127 |
By deflecting successively-presented portions of work during bodily movement thereof (e.g., for coiling, levelling, curving or troughing material in movement) |
4 |
| 72/184 |
By use of "flying tool" engaging moving work |
42 |
| 72/199 |
By use of roller or roller-like tool-element |
108 |
| 72/253.1 |
By extruding through orifice |
121 |
| 72/274 |
By pulling workpiece through closed periphery die (e.g., rod-, tube-, or wire-drawing) |
59 |
| 72/28.1 |
With use of self regulating control system utilizing electrical or hydraulic energy |
10 |
| 72/292 |
By tightening flexible band or chain about work |
12 |
| 72/293 |
By use of non-deforming work-gripping clamp and relatively movable clamp, tool or work-forcer |
31 |
| 72/30.1 |
With stopping upon completion of prescribed operation |
32 |
| 72/31.01 |
With indication of condition or position of work, product, or machine element (e.g., broken tool alarm, etc.) |
88 |
| 72/324 |
With cutting |
115 |
| 72/342.1 |
With temperature modification of tool or of specified portion of work |
110 |
| 72/343 |
By use of closed-die and coacting work-forcer (e.g., push-drawing) |
26 |
| 72/362 |
Process |
30 |
| 72/37 |
With use of optical or transparent (e.g., viewing) means |
95 |
| 72/38 |
With exposure of work to gas, vapor, mist, or modified atmosphere |
109 |
| 72/380 |
By relatively movable offset tool-faces (e.g., for bending or drawing) |
24 |
| 72/39 |
With cleaning, descaling, or lubrication of work or product |
97 |
| 72/392 |
By relatively receding work-engaging tool-faces (e.g., for stretching) |
80 |
| 72/394 |
By three or more coacting relatively movable tools (i.e., tool-complex) |
15 |
| 72/404 |
By plural tool-couples |
146 |
| 72/406 |
With means to effect compound motion of tool (e.g., rocking) |
51 |
| 72/407 |
With means to actuate both elements of tool-couple |
114 |
| 72/411 |
By relatively movable tools having slidably-engaged work-confining wall means (e.g., edgewise sheet-metal bender) |
15 |
| 72/412 |
By tool-couple embodying nonplanar tool-face |
106 |
| 72/417 |
Including interrelated tool-mover and blankholder-mover |
20 |
| 72/418 |
Including tool means to move work to or against cooperating tool |
23 |
| 72/419 |
With means to handle work or product |
75 |
| 72/429 |
With means to drive tool |
17 |
| 72/455 |
With tool carrier (e.g., press frame) |
193 |
| 72/457 |
By or with work-constrainer and/or manipulated work-forcer |
185 |
| 72/46 |
With "coating" of work |
142 |
| 72/462 |
Tool and/or tool holder |
126 |
| 72/48 |
By tool-couple pressing together adjacent surface portions of same work (e.g., tube-seamer) |
9 |
| 72/483 |
Miscellaneous |
8 |
| 72/53 |
By shot-blasting |
243 |
| 72/54 |
By application of fluent medium, or energy field |
92 |
| 72/6.1 |
With use of control means energized in response to activator stimulated by condition sensor |
9 |
| 72/64 |
By twisting axially moving work |
19 |
| 72/66 |
Coiling by work-guide member orbiting about longitudinal centerline of formed coil |
26 |
| 72/67 |
By use of tool acting during relative rotation between tool and work about internal center (e.g., gyrating or rotating tool) |
43 |
| 72/700 |
Deforming specified alloys or uncommon metal or bimetallic work |
112 |
| 72/701 |
Preventing distortion |
19 |
| 72/702 |
Overbending to compensate for springback |
87 |
| 72/703 |
Knurling |
34 |
| 72/704 |
Camber-adjusting tool |
23 |
| 72/705 |
Vehicle body or frame straightener |
435 |
| 72/706 |
Explosive |
16 |
| 72/707 |
Magnetism |
37 |
| 72/708 |
Reverse drawing |
3 |
| 72/709 |
Superplastic material |
84 |
| 72/710 |
Vibrating |
28 |
| 72/711 |
Hydrostatic extrusion |
5 |
| 72/712 |
Electrical terminal crimper |
38 |
| 72/713 |
Method of making vehicle power transmitting shaft |
10 |
| 72/714 |
Method of making universal joint shell |
6 |
| 72/715 |
Method of making can bodies |
39 |
