| Patents for B21D 53 - Making other particular articles (18,517) |
|---|
| 10/20/1981 | US4295255 Expanded cooling jacket assembly |
| 10/13/1981 | US4294102 Device for bending and hardening bar material |
| 10/13/1981 | US4294098 Apparatus for manufacturing steel spring leaves |
| 10/13/1981 | US4294096 Method and apparatus for making a secondary key for a lock mechanism |
| 10/06/1981 | US4293168 Housing for Y-bearing |
| 10/06/1981 | US4292718 Method of producing metal bearings |
| 10/01/1981 | WO1981002759A1 Spike plate and method and device for manufacturing it |
| 09/29/1981 | US4291561 Method and apparatus for forming clips |
| 09/29/1981 | US4291560 High-production method for making grooved resistance ribbon for electrical heating coils |
| 09/29/1981 | US4291450 Method and apparatus for manufacturing finned heat exchangers |
| 09/22/1981 | US4290295 Method of making V-grooved pulley assembly |
| 09/15/1981 | US4289007 Apparatus for hydraulically forming sheet metal pulleys |
| 09/15/1981 | CA1108938A1 Core strip blank, core strip and method of making same |
| 09/09/1981 | EP0035078A2 Process for manufacturing finned heat-exchangers |
| 09/08/1981 | US4288180 Apparatus for truing bolting surfaces of wheels and the like |
| 09/08/1981 | US4288109 Corrosion resistant assembly and method of making it |
| 09/01/1981 | US4286365 Heat exchangers |
| 08/25/1981 | US4285084 Method and apparatus for making lock washers |
| 08/18/1981 | US4283824 Method for manufacturing heat exchanger tubing |
| 08/18/1981 | US4283811 Improved knuckle hinge |
| 08/18/1981 | CA1107183A1 Tube guide-expander |
| 08/12/1981 | EP0033454A1 Method of manufacturing a cage for roller bearings (welding solution) |
| 08/06/1981 | WO1981002121A1 Method and apparatus for flattening corrugated heat exchanger plates |
| 08/05/1981 | EP0033143A1 Process for manufacturing turnbuckles |
| 08/05/1981 | EP0033102A1 Method of manufacturing a cage for tapered roller bearings |
| 08/05/1981 | EP0032965A1 Method of manufacturing heat exchanger elements and device for carrying out this method |
| 08/04/1981 | US4281529 Method of manufacturing a resilient, single or double C-shaped rail clamp |
| 07/28/1981 | US4280426 Method of manufacturing wheel discs |
| 07/28/1981 | US4280264 Method for fabricating large diameter gears, gear-blanks and the like |
| 07/28/1981 | CA1105964A1 Vehicle body end cap and method of forming same |
| 07/22/1981 | EP0032439A1 Improvements relating to lever yokes |
| 07/21/1981 | US4279341 Fastener strip |
| 07/21/1981 | US4279287 Method of wheel manufacture for correcting rotational non-uniformity of a pneumatic tire and wheel assembly |
| 07/21/1981 | US4279066 Method of attaching a solar collector plate to a tube water way |
| 07/15/1981 | EP0031866A1 Method of manufacturing a heating device or a heat exchange element |
| 07/14/1981 | US4278204 Rail clip |
| 07/14/1981 | US4277871 Heat exchanger panels and method of manufacture |
| 06/23/1981 | US4274275 Method of forming a corrugated annulus |
| 06/23/1981 | US4274186 Heat exchanger |
| 06/23/1981 | CA1103658A1 Method and apparatus for the construction of a baffled heat exchanger |
| 06/16/1981 | US4273836 Core strip blank, core strip and method of making same |
| 06/16/1981 | US4273547 Method of pulley manufacture and product |
| 06/09/1981 | US4272332 Method for making table knives having a silver-plated handle |
| 06/03/1981 | EP0029521A1 Apparatus and method for assembling a heat exchanger core |
| 06/02/1981 | US4270688 Apparatus for manufacturing glazing panels |
| 06/02/1981 | US4270374 Method of and device for forming an integral lubricating nipple on a tubular member |
| 06/02/1981 | US4270251 Muffler clamp and method of making same |
| 05/26/1981 | US4269267 Fin and tube assembly and a method of making the assembly |
| 05/20/1981 | EP0028747A1 Nut and method of forming the same |
| 05/14/1981 | WO1981001279A1 A loading pallet and a method for manufacturing a pallet of that sort |
| 05/13/1981 | EP0028400A1 Apparatus for assembling a heat exchanger and method of assembling a heat exchanger |
| 05/13/1981 | EP0028393A2 Motor vehicle wheel |
| 05/13/1981 | EP0028358A2 Method and apparatus for manufacturing slide fastener coupling elements |
| 05/12/1981 | US4266417 Steel flanged wheel rims for motorized bicycles or two-wheeled vehicles and a process for producing the rims |
| 05/12/1981 | US4266310 Arrangement for forming metal parts |
| 05/12/1981 | CA1101136A1 Device for the selective positioning of a body on a tube plate |
| 05/06/1981 | EP0028212A1 Loading pallet |
| 04/28/1981 | US4264801 Method of welding tube to header of heat exchanger |
| 04/28/1981 | US4263814 Shoe for use in a swash-plate type compressor |
| 04/21/1981 | US4262376 Method and apparatus for manufacturing a solar energy collector |
| 04/14/1981 | US4261145 Spacer for double-pane and multiple-pane windows and method and apparatus for making same |
| 04/07/1981 | CA1098880A1 Rail fastener |
| 04/07/1981 | CA1098684A1 Method and apparatus for producng multiple groove v- belt pulleys |
| 03/31/1981 | US4258458 Blank for stone setting |
| 03/31/1981 | CA1098296A1 Device for edging the points of ball pens in particular those made of hard material |
| 03/17/1981 | US4256010 Beveled retaining ring and method for constructing the same |
| 03/10/1981 | US4254650 Apparatus for making aluminum wheel covers |
| 03/10/1981 | US4254540 Stamped bevel gear |
| 03/10/1981 | CA1097043A1 Apparatus for removing coupling element residuals |
| 03/04/1981 | EP0024362A1 A method and apparatus for stretching an endless metal band |
| 03/03/1981 | US4253225 Method of manufacturing a heat exchanger element |
| 03/03/1981 | CA1096855A1 Formed coil assembly |
| 02/24/1981 | CA1096250A1 Radiator tank headsheet and method |
| 02/10/1981 | CA1095468A1 Coilable concatenated perforated and straightened fastener strip production |
| 02/10/1981 | CA1095292A1 Apparatus and method for guiding a ring structure during the manufacture thereof |
| 02/03/1981 | CA1094787A1 Method of forming helically finned pipes and an apparatus for forming the same |
| 01/27/1981 | CA1094356A1 Method of pulley manufacture and product |
| 01/14/1981 | EP0022140A1 Securement of heat exchange surfaces and method of making a joint between these surfaces |
| 01/13/1981 | US4244206 Toothed belt pulley |
| 01/13/1981 | CA1093288A1 Manufacture of rims for the wheels of road vehicles |
| 01/13/1981 | CA1093287A1 Machine for splining thin-walled power transmission members |
| 01/07/1981 | EP0021713A1 Clamp and method of making same |
| 01/07/1981 | EP0021591A2 Anti-slip grating |
| 01/06/1981 | US4243086 Clamp-like, sheet-metal, slip-on nut |
| 01/06/1981 | US4242898 Machine for bending the edges of rectangular sheets of metal |
| 12/30/1980 | US4241597 Wheel disc manufacturing |
| 12/30/1980 | CA1092330A1 Method of forming pivot joint housing |
| 12/24/1980 | WO1980002856A1 Beveled lobe anti-skid grating and method of manufacturing same |
| 12/16/1980 | US4238949 Process and apparatus for making metal outers and inners |
| 12/10/1980 | EP0020222A1 Automatic-assembly machine for fins, in particular for heat exchangers or radiators |
| 12/09/1980 | US4237971 Cold-welded heat exchanger member |
| 12/09/1980 | US4237567 Method of making a fastener strip |
| 12/09/1980 | CA1090994A1 Apparatus and method for fabricating pulleys |
| 12/09/1980 | CA1090992A1 Advancing apparatus for spine fin tubing |
| 12/09/1980 | CA1090991A1 Apparatus for remotely repairing tubes in a steam generator |
| 12/02/1980 | US4236289 Apparatus and method for fabricating pulleys |
| 12/02/1980 | US4236288 Method of fabricating heat transfer conduits |
| 11/25/1980 | US4235287 Heat exchange panel |
| 11/25/1980 | US4235013 Tube guide-expander |
| 11/11/1980 | US4232813 Method and apparatus for making bent pipe |