| Patents for B21D 53 - Making other particular articles (18,517) |
|---|
| 10/28/1980 | US4230252 Method for constructing a suspension member |
| 10/28/1980 | CA1088286A1 Tooth forming machine |
| 10/21/1980 | US4228872 Ladder |
| 10/21/1980 | US4228573 Method for assembling heat exchangers |
| 10/14/1980 | US4227391 Process for making tube in sheet heat exchangers |
| 10/07/1980 | US4226107 Device for edging the points of ball pens in particular those made of hard material |
| 10/01/1980 | EP0015952A1 A method for manufacturing a tube array for a heat exchanger |
| 09/30/1980 | US4224817 Apparatus and process for making tube in sheet heat exchangers |
| 09/30/1980 | US4224728 Method of making an adjustable finger ring |
| 09/23/1980 | US4223601 Press worm, especially for filter presses |
| 09/16/1980 | CA1085817A1 Rotor for moisture and/or heat exchangers as well as method and apparatus for manufacture thereof |
| 09/03/1980 | EP0015154A1 Method of producing bearing cups by deep drawing |
| 09/02/1980 | CA1084782A1 Method of forming rings |
| 08/19/1980 | CA1083799A1 Process for the manufacture of non-woven structures |
| 08/12/1980 | US4216575 Method of reforming the fins of a finned tube |
| 08/06/1980 | EP0013800A1 Improvements relating to heat exchangers |
| 07/29/1980 | US4214513 One-piece roof vent device and methods of constructing and utilizing same |
| 07/29/1980 | CA1082532A1 Method of forming circularly bent articles, in particular wheel rims, from a straight metal profiled strip and apparatus for performing the method |
| 07/23/1980 | EP0013653A1 Device for manufacturing bent angle irons |
| 07/22/1980 | US4213234 Method and apparatus for manufacturing vehicle wheel rims from spirally wound sheet metal |
| 07/22/1980 | CA1081926A2 Method of producing split bearing rings |
| 07/22/1980 | CA1081925A2 Method of producing split bearing rings |
| 07/15/1980 | US4212583 Apparatus for use in positioning a unit on a tube-plate |
| 07/15/1980 | US4212423 Magnetron anode manufacture |
| 07/15/1980 | US4212095 Bearing components and methods of making same |
| 07/08/1980 | US4211276 Method of making fin elements for heat exchangers |
| 07/08/1980 | US4211099 Apparatus for making slotted beam contact elements |
| 07/08/1980 | CA1080946A1 Method of winding a tube coil, and an arrangement for performing said method |
| 07/08/1980 | CA1080944A1 Automatic tube puller |
| 07/01/1980 | US4209886 Process and apparatus for making heat exchanger panels |
| 07/01/1980 | US4209885 Process and apparatus for making composite sheet and heat exchanger panels therefrom |
| 07/01/1980 | CA1080451A1 Making insulation-piercing, slotted beam electrical connectors |
| 06/17/1980 | US4207659 Forming bearing housings |
| 06/10/1980 | US4206964 Terminal device having improved retention means |
| 06/10/1980 | US4206715 Vehicle body end cap and method of forming same |
| 06/10/1980 | US4206544 Apparatus for removing coupling element residuals |
| 06/10/1980 | CA1079265A1 Method of making annular heat exchanger fins |
| 06/10/1980 | CA1079044A1 Method and apparatus for correcting distortion in gas turbine engine blades |
| 06/10/1980 | CA1079041A1 Method for the hydraulically pressure-tight mounting of tubes in bores of tube endplates |
| 06/03/1980 | CA1078811A1 Crown block and method of making sheaves |
| 06/03/1980 | CA1078591A1 Thermal barrier stitching apparatus |
| 05/27/1980 | CA1078153A1 Fixture retaining ring |
| 05/20/1980 | US4203205 Method and apparatus for the manufacture of a heat exchanger |
| 05/20/1980 | US4203184 Bearings |
| 05/20/1980 | CA1077693A1 Method and apparatus for producing multiple groove pulleys |
| 05/14/1980 | EP0011007A1 Housing for multi-screw material-working machine and a method of making the housing |
| 05/14/1980 | EP0010618A1 Method of making a flat heat exchanger of sheet metal |
| 05/13/1980 | US4202082 Method of manufacturing spherical bearings and parts therefor |
| 05/13/1980 | CA1077251A1 Method of producing a vehicle wheel |
| 05/13/1980 | CA1077249A1 Sheet metal fan blade forming process |
| 05/06/1980 | CA1076889A2 Method and apparatus for making multi-layer spiral pipe |
| 04/29/1980 | US4199857 Tube bundle removal method and apparatus |
| 04/22/1980 | US4198883 Process for manufacturing bent knives |
| 04/15/1980 | US4197756 Method of making a pulley |
| 04/15/1980 | US4197625 Plate fin coil assembly |
| 04/15/1980 | CA1075499A1 Pulley and method of making same |
| 04/15/1980 | CA1075448A1 Die means having workpiece releasing means |
| 04/08/1980 | CA1075089A1 Method and apparatus for making double groove pulleys |
| 04/03/1980 | WO1980000558A1 U-bolt clamp assembly |
| 04/01/1980 | CA1074544A1 Method and apparatus for forming one-piece pulleys |
| 03/25/1980 | US4194277 Method and device for stamping ball retainers |
| 03/20/1980 | WO1980000424A1 Installation for flaring tubes by electro-impulsion |
| 03/18/1980 | US4193824 Method for manufacturing steel spring leaves |
| 03/18/1980 | CA1073856A1 Method of and apparatus for fabricating starting sheet assemblies for use in electrolytic refinement of metal |
| 03/18/1980 | CA1073645A1 Method of splitting bearing rings |
| 03/11/1980 | US4192166 Decorated metal objects drawn from decorated blanks |
| 03/05/1980 | EP0008456A1 Method and device for manufacturing tubes for heat exchangers |
| 03/04/1980 | US4191241 Energy exchange wheel and method of fabrication |
| 03/04/1980 | US4191040 Ferrule rolling machine |
| 02/21/1980 | WO1980000228A1 A method of manufacturing a heat exchanger for cooling and heating purposes,and an apparatus for carrying out the method |
| 02/20/1980 | EP0007926A1 Hinge and method for manufacturing said hinge |
| 02/19/1980 | US4188811 Metal forming methods |
| 02/19/1980 | US4188705 Thermal barrier stitching apparatus |
| 02/19/1980 | CA1072077A1 Heat exchanger tube and method of making same |
| 02/12/1980 | US4187596 Method and apparatus for manufacturing a solar energy collector |
| 02/05/1980 | US4186474 Method of making heat exchanger coil |
| 02/05/1980 | CA1071031A1 Apparatus for manufacture of ship's propellers |
| 01/29/1980 | US4185370 Method of making a wheel rim |
| 01/23/1980 | EP0007033A1 Method of manufacturing table knives with silver-plated handles |
| 01/22/1980 | US4184355 Method and a punch/die assembly for the production of heat exchanger fins |
| 01/22/1980 | US4184351 High-production method and apparatus for making grooved resistance ribbon for electrical heating coils |
| 01/22/1980 | US4184242 Beveled retaining ring and method for constructing the same |
| 01/15/1980 | US4183122 U-bolt clamp assembly |
| 01/09/1980 | EP0006555A1 Heat insulating compound frame and method and tool for its manufacture |
| 01/09/1980 | EP0006137A1 Cold forming apparatus |
| 01/01/1980 | US4180902 Heat exchanger tube guide and extractor tool therefor |
| 01/01/1980 | US4180897 Method of fabricating honeycomb heat exchanger |
| 01/01/1980 | US4180895 Methods of forming angled end bearing liners |
| 12/25/1979 | US4179781 Method for forming a heat exchanger core |
| 12/18/1979 | US4178790 Roll-through cold forming apparatus |
| 12/18/1979 | CA1068088A1 Device for cutting the outer border of a deep drawn pulley blank cup |
| 12/04/1979 | CA1067314A1 Multi v-grooved pulley structure and method of making same |
| 11/28/1979 | EP0005511A1 Method for manufacturing heat pipes in series |
| 11/28/1979 | EP0005463A1 Mechanism and method for extracting tubes |
| 11/27/1979 | US4175309 Conveyorized fin accumulator |
| 11/20/1979 | CA1066526A1 Retainer ring and splined member assembly |
| 11/20/1979 | CA1066478A1 Lug replacement |
| 11/15/1979 | WO1979000944A1 A method for manufacturing a tube array for a heat exchanger |
| 11/14/1979 | EP0005177A1 Tube bundle removal method and apparatus |
| 11/13/1979 | US4173998 Formed coil assembly |