| Patents for B21D 53 - Making other particular articles (18,517) |
|---|
| 08/16/1977 | US4041746 Method of making V-grooved sheet metal pulleys |
| 08/16/1977 | US4041594 Brazed core radiator in aluminum alloy and added header boxes |
| 08/16/1977 | US4041593 Method of making impellers for cross-flow fans |
| 08/09/1977 | US4040285 Method and apparatus for making jewelry bands |
| 07/26/1977 | US4037629 Portable crimping device |
| 07/26/1977 | US4037455 Process for producing metal rings |
| 07/19/1977 | US4036042 Apparatus for adjusting biasing force of leaf spring |
| 07/19/1977 | US4035894 Air conditioning apparatus and method for making the same, particularly for automotive vehicles |
| 07/12/1977 | US4034453 Method of manufacturing louver fins for use in heat exchanger |
| 06/28/1977 | US4031734 Method for the production of concentric machine elements |
| 06/21/1977 | US4030540 Tube nest for heat exchangers, and modular elements for said nest consisting of thermoplastic tubes, and process for manufacturing the modular elements and the tube nests |
| 06/14/1977 | US4028925 Apparatus and method for forming barbed tape |
| 06/14/1977 | US4028922 Apparatus and method for splining power transmission members |
| 06/07/1977 | US4027521 Apparatus for making terminal connectors |
| 06/07/1977 | US4027518 Hydraulic press |
| 05/24/1977 | US4025035 Method of affixing surface enlarging members in the form of coherent, transversally corrugated metal strips to elongate metal basic profiles |
| 05/24/1977 | US4024748 Apparatus for producing annular metallic blanks for metallic rings |
| 05/24/1977 | US4024623 Manufacture of isostress contoured dies |
| 05/24/1977 | US4024622 Method of making roller units |
| 05/24/1977 | US4024619 Method of manufacturing a flat heat-exchanger tube from thin, flexible metal strip material |
| 05/24/1977 | US4024600 Roller units |
| 05/24/1977 | US4024593 Method of forming flat multiple-sided fastener parts having an opening therein |
| 05/17/1977 | US4023250 Method and apparatus for making hubless V-grooved pulley and product |
| 05/10/1977 | US4022050 Method of manufacturing a heat exchanger steel |
| 05/10/1977 | US4022042 Method of producing a thin shell for overrunning roller clutches |
| 05/10/1977 | US4021901 Method of sizing heat exchange panels |
| 05/03/1977 | US4021817 Method of manufacture of antenna reflector having a predetermined curved surface |
| 05/03/1977 | US4021816 Heat transfer device |
| 05/03/1977 | US4020878 Method and apparatus for making annular metallic blanks |
| 05/03/1977 | US4020544 Method of forming and locating molding clip registers in a metal door frame |
| 04/26/1977 | US4019415 Key cutting machine |
| 04/19/1977 | US4018177 Terminal connectors and method of making the same |
| 04/19/1977 | US4017953 Heat exchangers |
| 04/12/1977 | US4016741 Bracelet domer |
| 04/12/1977 | US4016642 Method of making clutch housing and bearing assembly |
| 03/29/1977 | US4014619 Retainer ring and splined member assembly |
| 03/08/1977 | US4010831 Transmission friction plate and device |
| 03/08/1977 | US4010524 Apparatus for manufacture of continuous hinge |
| 03/08/1977 | US4010520 Coupling element for slide fastener |
| 02/08/1977 | US4007351 System for installing high strength steel belts |
| 02/01/1977 | US4005748 Annular heat exchanger fins |
| 01/25/1977 | US4004335 Method of making clutch pulley |
| 01/25/1977 | US4004327 Slide fastener |
| 01/18/1977 | US4003121 Method and arrangement for the production of annular articles |
| 12/28/1976 | US3999659 Pierce nuts in strip form |
| 12/28/1976 | US3999268 Method of producing trim ring |
| 12/21/1976 | US3998600 Rolling metal ribbon stock into convoluted fin, zig-zag |
| 12/14/1976 | US3996834 Fastening element |
| 12/07/1976 | US3995474 Method of making spun V-grooved sheet metal pulleys |
| 11/30/1976 | US3994753 Stop-weld composition and method for producing aluminium tube in sheet utilizing the same |
| 11/30/1976 | US3994150 Method of making improved concrete reinforcing elements |
| 11/23/1976 | US3992769 Method of making a thermal barrier construction element |
| 11/23/1976 | US3992764 Method of forming a roller cage |
| 11/16/1976 | US3991822 Metal tube having internal passages therein |
| 11/16/1976 | US3991598 Method of roller spinning cup-shaped metal blanks |
| 11/09/1976 | US3990290 Method and apparatus for forming saw chain cutter links |
| 11/02/1976 | US3988796 Method of making toothed lock washers |
| 10/19/1976 | US3986238 Method of making a hooks joint |
| 09/28/1976 | US3982311 Convector for heating buildings and tools and method for manufacturing convector modules for such convectors |
| 09/21/1976 | US3981214 Code key cutter having interchangeable attachments |
| 09/21/1976 | US3981068 Method of making a sheet metal hub assembly |
| 09/21/1976 | US3981067 Method of splicing and products thereof |
| 09/21/1976 | US3981060 Method of making a thrust washer |
| 08/31/1976 | US3977264 Method of making poly-v pulleys and product |
| 08/31/1976 | US3977062 Method of assembling blower rotors |
| 08/24/1976 | US3975936 Forming apparatus |
| 08/10/1976 | US3973716 Process for making a piece of hollow jewelry |
| 08/10/1976 | US3973312 Slider fitting and end stop applying machine |
| 08/03/1976 | US3973098 Piston ring forming method |
| 08/03/1976 | US3972371 Tube and tube-plate assembly |
| 07/27/1976 | US3971435 Heat transfer device |
| 07/27/1976 | US3971278 Carriage positioning mechanism |
| 07/13/1976 | US3968673 Method and apparatus for producing steel box toes to be used in safety shoes |
| 07/06/1976 | US3967489 Method of forming constriction in tubing |
| 07/06/1976 | US3967487 Automatic apparatus and method for simultaneously forming eyes on each end of a leaf spring blank |
| 07/06/1976 | US3967354 Heat exchanger |
| 07/06/1976 | US3967352 Method for making a scroll type housing for a centrifugal blower |
| 06/29/1976 | US3965720 Hinge adjustment tool |
| 06/29/1976 | US3965560 Corner key machine |
| 06/22/1976 | US3964326 One piece stamped pulley |
| 06/22/1976 | US3964288 Apparatus for assembling a frame |
| 06/22/1976 | US3964286 Apparatus for positioning pin fins of a finned-tube heat exchanger |
| 06/15/1976 | US3962896 Method of producing V-belt pulleys and spinning lathe for carrying out such method |
| 06/15/1976 | US3962768 Method of making tape spring |
| 06/08/1976 | US3961406 Method of pulley construction |
| 06/01/1976 | US3960210 Device for fixing tube plates and lateral flanges of heat exchangers |
| 06/01/1976 | US3959867 Method of making a heat exchanger and the heat exchanger |
| 06/01/1976 | US3959863 Manufacture of agricultural discs |
| 05/18/1976 | US3956812 Apparatus for feeding slide fastener parts |
| 05/11/1976 | US3956451 Automobiles, molding polyurethanes |
| 05/11/1976 | US3955231 Cup nut mass production process |
| 05/04/1976 | US3954218 Method and apparatus for forming sheet metal around tubes |
| 05/04/1976 | US3953999 Method and apparatus for forming a saw chain cutter link |
| 05/04/1976 | US3953997 Cutting tool faces |
| 05/04/1976 | US3953995 Means for making double groove pulleys |
| 05/04/1976 | US3953953 Concrete reinforcing elements and reinforced composite incorporating same |
| 04/27/1976 | US3952939 Sheet cladding method |
| 04/27/1976 | US3952379 Automatically locking slider |
| 04/20/1976 | US3951013 Multi-thickness plastic handled scissors |
| 04/20/1976 | US3950973 Flat key |