| Patents for B21K 5 - Making tools or tool parts, e.g. pliers (942) |
|---|
| 08/24/1982 | US4345492 Method of making metal forming punches |
| 06/02/1982 | EP0053087A1 Improved wire drawing die and method of making the same |
| 05/27/1982 | WO1982001673A1 Improved wire drawing die and method of making the same |
| 03/09/1982 | US4318292 Process for manufacturing tongue and groove pliers |
| 02/10/1982 | EP0007946B1 Wire drawing die and method of making the same |
| 11/10/1981 | US4299510 Drill steel and method of fabrication |
| 09/29/1981 | US4291568 Method of forming socket wrenches |
| 09/16/1981 | EP0035501A1 Adjustable wrench and method for its manufacture |
| 06/23/1981 | CA1103617A1 Method and apparatus for cold forming a polygonal inner surface |
| 06/02/1981 | US4271240 Lobed preparatory blank for cold extruding a cup-shaped article with hollow polygonal interior |
| 02/17/1981 | US4250731 Method for producing trimming dies |
| 02/10/1981 | CA1095399A1 Die holder assembly |
| 12/30/1980 | US4241598 Method for producing a cross-slotted heading die |
| 12/11/1980 | WO1980002668A1 Adjustable wrench and method for its manufacture |
| 11/04/1980 | CA1088786A1 Method for fabricating a rotary drill bit and composite compact cutters therefor |
| 10/14/1980 | US4227394 Process for the automatic manufacture of drop forging |
| 10/07/1980 | CA1087164A1 Rotary earth boring drill and method of assembly thereof |
| 09/23/1980 | CA1086100A1 Process and apparatus for manufacturing trimming dies |
| 08/19/1980 | US4217771 Method of cold forming |
| 07/29/1980 | CA1082645A1 Wire drawing die and method of making the same |
| 07/15/1980 | US4212189 Tool for isothermal forging |
| 06/17/1980 | CA1079461A1 Double-ended heading punch and method |
| 02/20/1980 | EP0007946A1 Wire drawing die and method of making the same. |
| 01/22/1980 | US4184217 Pinch-pointing machine |
| 09/04/1979 | US4166373 Method of cold forming |
| 08/21/1979 | US4164878 Well drilling bit dressing apparatus and method |
| 08/14/1979 | CA1060279A1 Method of producing forming tool with mold shell of metal |
| 04/24/1979 | US4150451 Die holder assembly |
| 04/19/1979 | WO1979000208A1 Wire drawing die and method of making the same |
| 04/10/1979 | US4148233 Method of making a double-ended heading punch |
| 12/26/1978 | CA1045077A1 Diamond wire drawing die blanks and methods of making the same |
| 12/12/1978 | US4129052 Wire drawing die and method of making the same |
| 06/13/1978 | US4094185 Double-ended heading punch |
| 04/18/1978 | US4084478 Screw heads |
| 03/14/1978 | US4078415 Process of manufacturing shaped bodies by cold shaping |
| 12/06/1977 | US4061507 Wrench and method of making the same |
| 12/06/1977 | US4061013 Method of forming socket wrenches |
| 11/22/1977 | US4059031 Method and apparatus for the production of machine tools |
| 02/15/1977 | US4007524 Cast articulated tool |
| 11/09/1976 | US3990286 Piece working machine for the production of punches and/or matrices |
| 09/07/1976 | US3978744 Diamond wire drawing die blanks and methods of making the same |
| 06/29/1976 | US3965779 Cast articulated tool |