| Patents for B21D 53 - Making other particular articles (18,517) |
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| 05/30/1989 | CA1254769A1 Method for producing a multiple v-groove pulley and a pulley produced by said method |
| 05/24/1989 | EP0317075A1 Fabrication and assembly of metal catalytic converter catalyst substrate |
| 05/24/1989 | CN1033019A Method of making heat exchanger and hollow shape for such |
| 05/23/1989 | US4832316 Wall security fixtures |
| 05/23/1989 | US4831863 Apparatus for forming loop-shaped starting pieces such as metallic binding bands into prescribed final shapes |
| 05/23/1989 | US4831705 Method of manufacturing a sheet metal poly-V pulley |
| 05/17/1989 | CN1032913A Apparatus for longitudinal rolling of varying-section blanks |
| 05/16/1989 | US4829950 Lightweight, high strength, wear resistant |
| 05/16/1989 | US4829647 Method of making low friction finger follower rocker arms |
| 05/11/1989 | DE3834768A1 Bremsschuhrippe und verfahren zu ihrer herstellung Brake shoe rib, and processes for their preparation |
| 05/10/1989 | EP0315354A2 Apparatus for and a method of securing together two generally sheet-like members |
| 05/10/1989 | EP0314682A1 Apparatus for loading radiator fins into trays. |
| 05/09/1989 | US4827605 Apparatus for securing straight tubes between two tube sheets in a pressure-tight manner |
| 05/09/1989 | US4827594 Process for lining a peripheral tube of a steam generator |
| 05/09/1989 | US4827590 Method of making of header for automotive air conditioner evaporator |
| 05/03/1989 | CN2036875U Special forming equipment for making non-conventional type joint for construction shuttering boards |
| 05/02/1989 | US4826708 Method of manufacturing a steel plate with a seal coating for a steel laminate gasket |
| 05/02/1989 | US4826405 Fan blade fabrication system |
| 05/02/1989 | US4825675 Top roll exchanging apparatus for a wheel rim forming machine |
| 05/02/1989 | US4825524 Method of making a wheel trim ring |
| 04/27/1989 | DE3735076A1 Method for the production of a double-walled tubular hollow body, tools for carrying out the method and a hollow body produced by the method |
| 04/26/1989 | EP0313344A2 Method of making a knife having a scalloped cutting edge |
| 04/26/1989 | EP0313253A2 Tab receptacle with fixed beam contacts |
| 04/25/1989 | US4823608 Method of measuring residual stress in a carrier produced in manufacturing of a belt for continuously variable transmission |
| 04/25/1989 | CA1252990A1 Method and apparatus for forming an air gap pipe |
| 04/18/1989 | US4821650 Ironing board |
| 04/18/1989 | US4821548 Apparatus for chamfering edges of a rim element |
| 04/18/1989 | CA1252618A1 Method and an apparatus for the manufacture of heat exchanger rolls |
| 04/12/1989 | EP0311147A2 Cable tie ribbon installation tool and ribbon therefor |
| 04/12/1989 | EP0310693A1 Method for making cutting blades |
| 04/11/1989 | US4820355 Controlling grain size in sheets, stacking, roll bonding, heat treatment, superplastic forming |
| 04/11/1989 | US4819472 Method of wheel manufacture for correcting rotational non-uniformity of a pneumatic tire and wheel assembly |
| 04/11/1989 | US4819468 Roll forming notches in a thin-wall power transmission member |
| 04/11/1989 | CA1252272A1 Method of manufacturing fin-tube heat exchangers |
| 04/06/1989 | WO1989002854A1 Abuse resistant, safety-edge, controlled-opening convenience-feature endclosures |
| 04/05/1989 | EP0310121A2 Production method of pumping and/or guiding means for fluid machines and radial impeller manufactured thereby, in particular coolant impeller for combustion engines |
| 04/05/1989 | EP0309747A2 Method and device for manufacturing a light-metal vehicle wheel |
| 04/04/1989 | US4817262 Paint drain closure attaching method |
| 03/28/1989 | US4815307 Key blade and method of producing same |
| 03/28/1989 | US4815186 Wheel manufacture for correction of rotational non-uniformity of a pneumatic tire and wheel assembly |
| 03/28/1989 | US4815185 Method for belling and expanding coils |
| 03/21/1989 | US4813697 Rear fork for motorcycles |
| 03/21/1989 | US4813262 Method for forming loop-shaped starting pieces such as metallic binding bands into prescribed final shapes |
| 03/15/1989 | EP0306899A1 Method of making heat exchanger and hollow shape for such |
| 03/14/1989 | US4811581 Apparatus for preforming a substantially flat blank of an open clamp |
| 03/08/1989 | EP0305632A1 Improved method of making a heat transfer tube |
| 03/07/1989 | US4809529 Flaring apparatus for flaring a rim element |
| 02/22/1989 | EP0303924A2 Fan rotor manufactured from a thin metal disc, and its production method |
| 02/21/1989 | US4806726 Apparatus for machining a bent elongated member of variable configuration |
| 02/21/1989 | US4805283 Method for forming slit fin coils |
| 02/15/1989 | EP0303431A1 Process for producing a chassis for vehicles |
| 02/14/1989 | US4803764 Apparatus for manufacturing a spacer frame for insulating glass |
| 02/14/1989 | CA1249915A1 Method of production of cylindrical body |
| 02/08/1989 | EP0302809A2 Method of manufacture an enhanced heat transfer surface and apparatus for carrying out the method |
| 01/31/1989 | US4800745 Spur gear automatic production process |
| 01/26/1989 | EP0249625A4 Ink jet barrier layer and orifice plate printhead and fabrication method. |
| 01/24/1989 | US4799909 Sheet metal poly-V pulley and manufacturing method thereof |
| 01/24/1989 | US4799694 Piston ring and method of making the same |
| 01/24/1989 | US4799540 Heat exchanger |
| 01/17/1989 | US4798241 Mixed helix turbulator for heat exchangers |
| 01/17/1989 | US4798075 Method and apparatus for making a bowed external spring retaining ring of the E-shaped type |
| 01/17/1989 | CA1248739A1 Fabricated liner article and method |
| 01/12/1989 | DE3820932A1 Method and apparatus for manufacturing multi-grooved pulleys, as well as a multi-grooved pulley manufactured according to this method |
| 01/10/1989 | US4796345 Method of fabricating a rim gear, such as a starter rim gear made of sheet metal |
| 01/05/1989 | DE3720485A1 Tube-expanding apparatus |
| 01/03/1989 | US4794985 Finned heat exchanger tubing with varying wall thickness |
| 01/03/1989 | US4794812 Gear-shift lever having variable thickness walls |
| 01/03/1989 | US4794775 Method of producing a heat transfer tube for single-phase flow |
| 12/29/1988 | WO1988010385A1 O-ring seals, articles of manufacture incorporating the same and methods of making and using the same |
| 12/28/1988 | EP0296270A1 Method for making a seamed or flanged connection between tubes and end closures, and apparatus, especially for carrying it out |
| 12/28/1988 | CA1247592A Finned heat exchanger tubes and method and apparatus for making same |
| 12/28/1988 | CA1247460A Draw-spinning of integral vehicle wheel rim and disc segments |
| 12/28/1988 | CA1247395A Apparatus for and method of duplicative punched notching of the serration edges of key blanks |
| 12/20/1988 | US4792317 Method for making a magnetic shield |
| 12/20/1988 | US4791713 Method of forming a sheet metal fan blade |
| 12/20/1988 | CA1247078A1 Heat transfer tube having internal ridges, and method of making same |
| 12/20/1988 | CA1246978A1 Method of and apparatus for making spacers for use in multiple-pane windows of the like |
| 12/20/1988 | CA1246836A1 Method of attaching a tube to a fin |
| 12/15/1988 | WO1988009703A1 Method of bending band knife |
| 12/14/1988 | CN88103053A Hollow shaft fixing drive element with axially different property of stoff to it by expanding itself |
| 12/13/1988 | CA1246330A1 Blade twisting apparatus |
| 12/07/1988 | EP0293758A1 Button collet and method and apparatus for making the same |
| 12/07/1988 | CN88103203A Hollow shaft made of material with low elasticity modulus |
| 12/06/1988 | US4789380 Clutch rotor for an electromagnetic clutch and method of production thereof |
| 12/06/1988 | US4789263 Process for the production of a ball-point pen tip supplied with liquid ink, and tip produced thereby |
| 12/06/1988 | CA1245859A1 Die set combination for making pin-back badges |
| 12/06/1988 | CA1245837A1 Production procedure of brake shoes |
| 12/01/1988 | DE3716026A1 Method of producing a joint endoprosthesis |
| 11/30/1988 | EP0292795A1 Hollow shaft with driving elements affixed by means of expansion and with axially differing material properties |
| 11/30/1988 | EP0292794A1 Hollow shaft of a material with a small modulus of elasticity and driving elements affixed by means of expansion |
| 11/23/1988 | EP0292127A2 Finned heat exchanger element and method of making the same |
| 11/22/1988 | US4785647 Method and apparatus for sizing rings |
| 11/22/1988 | CA1245042A1 Tool for and method of making hollow articles |
| 11/17/1988 | EP0291499A2 Device for fabricating spacing frames for insulating glass panes |
| 11/15/1988 | US4783898 Method of producing a shaft having plate-like member joined thereto |
| 11/08/1988 | US4782998 Method and apparatus for press-cutting various patterns |
| 11/08/1988 | US4782858 Valve cover for a compressor |
| 11/08/1988 | US4782571 Method for securing straight tubes between two tube sheets in a pressure-tight manner |
| 11/08/1988 | US4782570 Fabrication and assembly of metal catalytic converter catalyst substrate |
| 11/08/1988 | US4782559 Button collet and method and apparatus for making the same |