| Patents for B21D 53 - Making other particular articles (18,517) |
|---|
| 02/19/1991 | US4993291 Key cutting apparatus |
| 02/19/1991 | US4993282 Assembled shaft, especially camshaft, crankshaft or driveshaft |
| 02/19/1991 | US4993145 Apparatus for gripping tubes in multirow plate fin coils |
| 02/17/1991 | CA2022791A1 Safety mesh to neurtralize explosions of liquids and gases, process and device for producing it |
| 02/14/1991 | DE3926714A1 Lacquered metal parts for windscreen wipers - are mfd. by stamping, pressing and lacquering parts attached to one another |
| 02/14/1991 | DE3926048A1 Method of producing embedded heat exchanger panels - has panel rolled from copper block with through holes followed by inflation with compressed air |
| 02/12/1991 | CA1280106C Method of manufacture of manifolds and manifold provided by such method |
| 02/06/1991 | EP0411926A1 Stopping-off method for use with diffusion bonding |
| 02/06/1991 | EP0411737A2 Laminated nut having cage with nested fingers and method of manufacture |
| 02/06/1991 | EP0411672A2 Machine for realizing mechanical radiators, particularly those for motor vehicles |
| 02/06/1991 | EP0411393A2 Method of manufacturing a contact element for a sheet connector and contact element for this sheet connector |
| 02/05/1991 | US4989774 Structural box beams |
| 02/05/1991 | US4989440 Device for moving a tool to exact shaping or working engagement with a strip of material having a repeated basic shape |
| 01/30/1991 | EP0410161A1 Method and device for providng perforations on spacers for insulated glass panes |
| 01/29/1991 | US4987764 Method for manufacturing a seat post of a bicycle |
| 01/29/1991 | US4987761 Method of forming a device including an integrally formed nut |
| 01/29/1991 | US4987760 Leaf-spring bender |
| 01/24/1991 | WO1991000785A1 Method of forming lugs of sheet metal poly-v-groove-pulley and products obtained thereby |
| 01/22/1991 | US4986101 Process and apparatus for reforming brake shoes |
| 01/22/1991 | US4985993 Method for producing wheel rim |
| 01/22/1991 | US4985973 Manufacturing method for diaphragm spring |
| 01/16/1991 | CN2069315U Double exhaust pipe bend-forming device for motorcycle |
| 01/16/1991 | CN1048592A 热交换器 Heat exchanger |
| 01/15/1991 | US4984360 Method of fabricating flaker evaporators by simultaneously deforming while coiling tube |
| 01/15/1991 | US4984319 Method of manufacturing a laminated nut having cage with nested fingers |
| 01/15/1991 | CA1278929C Key blade and method of producing the same |
| 01/10/1991 | WO1991000155A1 Method of manufacturing sheet metal poly-v-groove pulleys and products obtained thereby |
| 01/03/1991 | DE3920465A1 Window frame mfg line - additional frame tipping operations are avoided by moving the frame to a weld dressing machine in a near vertical on end position |
| 01/01/1991 | US4980966 Rod holder for the assembly of heat exchangers |
| 12/27/1990 | WO1990015937A1 Improvements in or relating to brake shoes |
| 12/27/1990 | WO1990015676A1 Low tonnage high quality thread stamping |
| 12/27/1990 | EP0404708A1 Manufacturing process for wheels made of three extruded profiles each having a surface which becomes a ringform after rolling to receive the wheel disc |
| 12/12/1990 | CN1010801B Heat exchanger |
| 12/11/1990 | US4976289 Corrugated pipe |
| 12/11/1990 | US4976125 Leaf spring production |
| 12/11/1990 | US4976027 Device for lining a peripheral tube of a steam generator |
| 12/11/1990 | CA1277655C Manifold and method of manufacturing the same |
| 12/06/1990 | DE3932823C1 Toothed transmission component mfr. - involves tool with external teeth forming inside teeth on workpiece |
| 12/05/1990 | EP0400034A1 Method for the protection of a coiled tube heat exchanger. |
| 12/04/1990 | US4974309 Method of making a pulser generating ring for electromagnetic rotary position detection |
| 11/30/1990 | CA2017421A1 Hog ring fastener, tool and methods |
| 11/29/1990 | DE3917278A1 Space heater connector plate - has water heated in radiator while travelling in parallel cellular conduits formed between surface of corrugated heater plate |
| 11/27/1990 | US4972697 Method for the manufacture of the casing for a parrot-type locking device |
| 11/22/1990 | EP0397901A1 Method of manufacturing a belt pulley |
| 11/22/1990 | DE3916225A1 Forming grooves in bore of heat exchange tube - involves tool with convex longitudinal profile with oblique grooves |
| 11/20/1990 | US4970923 Providing a continuous side edge on a thin plate |
| 11/20/1990 | US4970770 Method of making a coated heat exchanger with tubes and fins |
| 11/20/1990 | CA1276438C Wheel manufacture for correction of rotational non- uniformity of a pneumatic tire and wheel assembly |
| 11/14/1990 | EP0397223A2 Heat exchanger retaining ring and method and die for making that ring |
| 11/14/1990 | EP0397032A2 Method for manufacturing metal cylinder members of electron tubes and method for manufacturing magnetron anodes |
| 11/13/1990 | US4969265 Method of producing metal support for exhaust gas catalyst |
| 11/07/1990 | EP0396132A1 Heat exchanger having at least two header boxes |
| 11/07/1990 | EP0396131A2 Heat-exchanger |
| 11/07/1990 | EP0396030A2 Heating apparatus for a machine for working plastic materials |
| 11/06/1990 | US4967617 Composite shaft with integral drive elements |
| 10/31/1990 | EP0394531A1 Seaming machine |
| 10/30/1990 | CA1275647C Heat exchanger with individual twinplate headers |
| 10/24/1990 | EP0393250A1 Method for manufacturing welded sheet metal wheels for motor vehicles, the plant for its implementation and the wheels obtained |
| 10/23/1990 | US4964293 Method of manufacturing metallic gaskets |
| 10/17/1990 | EP0393011A1 Procedure for making a friction ring for clutches or brakes with a sintered friction lining |
| 10/17/1990 | EP0392850A2 Method of producing laminated metal belt |
| 10/17/1990 | EP0392829A1 Drum brake assembly |
| 10/16/1990 | US4962587 Method of making a wheel rim |
| 10/10/1990 | EP0391114A1 Device for punching out and forming butterfly-clamps from steel strip |
| 10/10/1990 | EP0390828A1 Device for shaping a rotationally symmetrical sheet metal object, for example a pulley blank. |
| 10/03/1990 | CN2063054U Hot processing and forming device for hole pipe in diaphragm type water-cooled wall of boiler |
| 10/02/1990 | CA1274699A1 Method of fastening drive elements on a hollow shaft |
| 10/02/1990 | CA1274676A1 Process for the installation of tubes in a steam generator |
| 09/25/1990 | US4958430 Manufacturing process for manufacturing thin edge orifice disks for fuel injectors |
| 09/20/1990 | WO1990010513A1 Machine tool for cutting out transverse ribs on a rectangular cross-section element for heat exchanger |
| 09/19/1990 | EP0387678A1 Heat exchanger and process for the watertight fixation of heat exchange elements to an end plate |
| 09/18/1990 | US4956989 Method of forming a collar for heating exchanger fin and die for use therein |
| 09/18/1990 | US4956986 Roll forming notches in a thin-wall power transmission member |
| 09/18/1990 | CA1274236A1 Tube and fin heat exchanger and method and apparatus for making same |
| 09/12/1990 | EP0386986A1 Molding for use with an automobile and process for manufacturing the same |
| 09/12/1990 | EP0313565B1 Method for production of a camshaft |
| 09/12/1990 | CN2061876U Automatic limiter for punching bearing cage |
| 09/12/1990 | CN1009570B Camshaft and method for its production |
| 09/11/1990 | US4955525 Zinc solder |
| 09/11/1990 | US4955133 Method of making pulleys with plural V-shaped grooves |
| 09/11/1990 | US4955125 Method of forming a pizza grill |
| 09/05/1990 | CN1009481B Assembling camshaft |
| 09/04/1990 | US4953275 Process for manufacturing alloy wheels for vehicle tires |
| 08/23/1990 | WO1990009250A1 Device for manufacturing a profile on a rough pot |
| 08/22/1990 | CN2060701U Processing and forming device for outer shroud ring of seel band coiled material packing shell |
| 08/21/1990 | US4949614 Punch and die set |
| 08/16/1990 | DE3904241A1 Vorrichtung zum herstellen eines profils an einem vortopf Apparatus for producing a profile in a vortopf |
| 08/08/1990 | EP0381025A1 Method and apparatus for the cold deformation of ferrous and non-ferrous metal sections by spatial coil roll bending |
| 08/07/1990 | US4946088 Bushing forming machine |
| 08/07/1990 | US4945783 Ring gear with roll formed teeth |
| 08/07/1990 | US4945635 Method of manufacturing brazable pipes and heat exchanger |
| 08/07/1990 | US4945619 Apparatus for converting tubular blanks into spacer frames of multiple-pane windows |
| 08/01/1990 | EP0379649A1 Method for manufacturing rim holes in sheet metal blanks |
| 08/01/1990 | CN1044244A Expanding and contracting forming technology of integrated type bridge casing of automobile |
| 08/01/1990 | CN1044243A Processing method and its working and cutting tools for square window opening of bearing solid holding-frame |
| 07/25/1990 | EP0379364A2 Toothed wheel and method of making same |
| 07/25/1990 | CN1008943B Finned heat transfer device and method for making same |
| 07/24/1990 | US4942654 Method for assembly of serpentine heat exchanger |
| 07/24/1990 | US4942653 Production method for a channeled wall thrust nozzle |
| 07/24/1990 | US4942652 Method of making a constant velocity joint cage |