| Patents for B21D 53 - Making other particular articles (18,517) |
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| 07/28/1994 | DE4302179A1 Blank material prodn. system for jewellery mfr. |
| 07/27/1994 | EP0607757A1 Method of fashioning wheels for motor vehicles and the wheels obtained by such a method |
| 07/21/1994 | WO1994016272A1 Heat exchanger element and method and device for producing same |
| 07/16/1994 | CA2093681A1 Method of fashioning wheels for motor vehicles, and the wheels obtained by such a method |
| 07/14/1994 | DE4300158A1 Mfr. of hollow axle body with nearly square final cross=section |
| 07/13/1994 | EP0514510B1 Method of manufacturing a heat exchanger, and device for carrying out the method |
| 07/12/1994 | US5329086 Waveguide for microwave ovens |
| 07/07/1994 | WO1994006581A3 Process for manufacturing a formed body made by pressing or deep-drawing |
| 07/06/1994 | CN1025298C Method and device for forming sheet-metal blank,in particular in order to make cathode ray tube mask |
| 07/05/1994 | US5326226 Continuous curve high solidity hydrofoil impeller |
| 07/05/1994 | US5325578 Apparatus and method for automatically installing clamps |
| 06/30/1994 | DE4343731A1 Method for fitting a pipe |
| 06/29/1994 | EP0603366A1 Assembly line for producing steel coffers for ceiling and/wall constructions from sheet metal plates |
| 06/29/1994 | CN2170167Y Angle processing and assembling device |
| 06/29/1994 | CN2170166Y Full-automatic cramp folding machine for one-pass folding four angles of aluminium frame |
| 06/29/1994 | CN1088493A Integral cold squeezing production method for brake shoe |
| 06/28/1994 | US5323953 Pressurised storage for gases |
| 06/23/1994 | WO1994014019A1 Refrigerant cooling assembly for centrifuges |
| 06/23/1994 | WO1994013414A1 Process for manufacturing tubular parts |
| 06/22/1994 | EP0602413A1 Method of manufacturing latent heat storage cells for a heat accumulator of an automotive vehicle and device for carrying out this method |
| 06/21/1994 | US5321880 Automated method for placement of angle plates in transverse duct flanges |
| 06/21/1994 | US5321879 Apparatus and method for automatically installing and fastening clamps onto objects to be fastened |
| 06/16/1994 | DE4314138C1 Shaft with at least partly non-cylindrical outer surface - comprises steel tube core and outer layer of cast metal both of same wall thickness |
| 06/15/1994 | EP0601630A1 Metal rod and a method for manufacturing same |
| 06/15/1994 | EP0601379A2 Method for mounting an automotive vehicle heat accumulator |
| 06/14/1994 | US5320074 Direct acting hydraulic tappet |
| 06/09/1994 | DE4241317A1 Assembling car latent heat storage with containers and pack storage cells - involves prefab latent heat storage cells filled with heat storage medium |
| 06/09/1994 | DE4240613A1 Pot shaped toothed workpiece - obtd. by pressing circular blank in tool with negative tooth profiles |
| 06/01/1994 | EP0599751A1 Method and device to attach a metal piece with a cylindrical bore around a metallic tube |
| 06/01/1994 | EP0522051B1 Method of bending a ball point pen tip |
| 05/31/1994 | US5316269 Leaf spring constraining apparatus |
| 05/31/1994 | CA2014567C Method of producing laminated metal belt |
| 05/26/1994 | DE4239050A1 Method for producing housing for part of air guidance system - involves flanged inner walls with slot in one wall and splicing strips on other, flanges having outer strips to abut or overlap splicing strips |
| 05/24/1994 | US5314006 Sheet metal heating package for regenerative heat exchangers as well as a method and apparatus for manufacture of profiled metal sheets for such sheet metal heating packages |
| 05/19/1994 | DE4238815A1 Textile bobbins for synthetics - has one piece all metal construction |
| 05/19/1994 | DE4238004A1 Internally-toothed-gear prodn. machine |
| 05/18/1994 | EP0597801A1 Heat exchanger and manufacturing method |
| 05/18/1994 | EP0597256A1 Method for mounting heating walls with convection lamellae and apparatus for carrying out the method |
| 05/11/1994 | WO1994009928A1 Method of manufacturing poly-v-grooved pulley of sheet metal |
| 05/11/1994 | WO1994009927A1 Method and apparatus for flattening portions of a corrugated plate |
| 05/11/1994 | EP0596188A1 Method of making means for handling in a barrel apron and barrel apron so obtained |
| 05/11/1994 | CA2123510A1 Method and apparatus for flattening portions of a corrugated plate |
| 05/10/1994 | US5310432 Toothed wheel for use in automobiles and its manufacturing method |
| 05/04/1994 | EP0594927A1 Method of producing a brake shoe |
| 05/03/1994 | US5307662 Roll threading apparatus for threading end blank for metal drum container |
| 05/03/1994 | US5307548 A method of forming tapered channels for scissors jack |
| 05/03/1994 | CA1329009C Process for producing an assembled shaft |
| 04/27/1994 | CN2163015Y Electromagnetic button inserter |
| 04/27/1994 | CN2163014Y Multifunctional ranged pipe bending machine |
| 04/27/1994 | CN1085853A Method for mfg. (BJ) inner wheel of automobile transmission shaft with equi-speed joint |
| 04/26/1994 | US5306058 Tubular roll-formed automotive bumper |
| 04/20/1994 | EP0592705A1 Device for fixing hinges to rectangular boxes |
| 04/19/1994 | US5303571 Method of producing a one-piece band clamp |
| 04/19/1994 | US5303539 Staple forming |
| 04/19/1994 | CA2051972C Method of forming perforating rule and blades |
| 04/19/1994 | CA2035522C Process for manufacturing an asymmetric pulley from a metal disk |
| 04/14/1994 | WO1993016824A3 Cold-forming of toothed wheels from sheet steel |
| 04/13/1994 | EP0592068A1 Method and apparatus for making cam shafts |
| 04/12/1994 | US5302355 Exhaust purifying device and method of producing the same |
| 04/12/1994 | US5302157 Lightweight V-grooved pulley |
| 04/12/1994 | US5301528 Device for manufacturing toothed pulleys |
| 04/12/1994 | US5301402 Automated button closing machine |
| 04/07/1994 | DE4241156C1 Production method for torsional vibration damper of IC engine crankshaft - involves producing single metal component which after introduction of rubber spring element has end face machined off to leave damper in completed form |
| 04/05/1994 | US5299881 Assembly of a cylindrical body made to finished dimensions |
| 04/05/1994 | CA1328152C Enzyme hydrolyzed maltodextrin containing finisher/preserver/cleaner composition for lithographic printing plates |
| 03/31/1994 | WO1994007071A1 Manufacture of helically corrugated conduit |
| 03/31/1994 | WO1994006581A2 Process for manufacturing a formed body made by pressing or deep-drawing |
| 03/31/1994 | WO1994001234A3 Assembly line for producing steel coffers for ceiling and/wall constructions from sheet metal plates |
| 03/30/1994 | EP0589128A1 Leaf spring constraining apparatus |
| 03/30/1994 | EP0589127A1 Leaf spring cambering apparatus |
| 03/30/1994 | CN2159838Y Auto teeth punching combined machine |
| 03/29/1994 | US5298337 Perforated plates for cryogenic regenerators and method of fabrication |
| 03/24/1994 | DE4231213A1 Verfahren zum Herstellen eines durch Pressen oder Tiefziehen gefertigten Formkörpers A method for producing a fabricated by compression molding or deep drawing |
| 03/22/1994 | USRE34565 Camshaft for reciprocating piston engines |
| 03/22/1994 | US5295653 Vibration insulator having bracket |
| 03/22/1994 | US5295304 Method for producing a full face fabricated wheel |
| 03/22/1994 | US5295292 Method of making a spacer frame assembly |
| 03/22/1994 | CA1327880C Apparatus and method for automatically installing clamps |
| 03/17/1994 | WO1994005445A1 Method and apparatus for cutting coiled wire |
| 03/10/1994 | DE4329554A1 Vehicle wheel with variable press-in depth - has adjustable axial gap in region of wheel fastening plane |
| 03/10/1994 | DE4305091C1 One piece aluminium@ alloy wheel prodn. - by soln. annealing, quenching to working temp., extruding or rolling and then age hardening |
| 03/09/1994 | EP0586221A1 Method of manufacturing a screw washer: a mold for fabricating a screw washer: and a screw washer |
| 03/09/1994 | EP0585534A1 Method and apparatus for making insulating glass units |
| 03/08/1994 | US5291655 Method of making a one-piece ball bearing retainer |
| 03/08/1994 | CA1327439C Apparatus and method for automatically installing and fastening clamps onto objects to be fastened |
| 03/03/1994 | WO1994004293A1 Process for the manufacture of assemblies composed of two glued pieces and including a forming stage |
| 03/03/1994 | DE4244720A1 Method for manufacture of externally toothed gear |
| 03/03/1994 | DE4228205A1 Shock absorbing strut for vehicle - has axially running slotted connection area on spring plate surrounding cylinder |
| 03/02/1994 | CN1082953A Slide fastener coupling element forming apparatus |
| 02/23/1994 | EP0584020A1 Method of producing an assembly made of two glued pieces, the method including a forming step |
| 02/22/1994 | US5287918 Heat exchangers |
| 02/22/1994 | US5287774 Method and device for producing seamless ribbon and wire loops, and their use as cuttings tools in ribbon and wire saws |
| 02/22/1994 | US5287615 Process for joining a hollow shaft and elements slid thereon |
| 02/22/1994 | CA2002191C Crankshaft with hollow pins |
| 02/22/1994 | CA1327133C Tool bits and method of shaping |
| 02/17/1994 | DE4321779A1 Mfg. starter crown gearwheel for motor vehicle engine - Cold deforming sheet metal blank to exhibit outer gear tooth of real running wheel geometry |
| 02/16/1994 | CN1081945A Method for manufacturing toothed discs, in particular for the adjustment of reclining car seats |
| 02/16/1994 | CN1081942A Method and mould for manufacturing integral bridge casing of drive bridge of automobile |
| 02/15/1994 | US5285950 Wire sprag retainer |
| 02/10/1994 | DE4226743A1 Ribbed tubular cover for lining cylinder block of IC engine |