| Patents for B21D 53 - Making other particular articles (18,517) |
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| 08/27/1998 | WO1998036858A1 Method for producing without cutting a gear part having a hub |
| 08/26/1998 | EP0860224A1 Apparatus with deployable storage magazine for the expansion of the tubes of heat exchanger assemblies of the finned type |
| 08/26/1998 | CN2288794Y 变力胀管器 Inotropic expander |
| 08/25/1998 | US5797449 Heat exchanger |
| 08/25/1998 | US5797291 Die set for manufacturing heat exchanging fin of heat exchanger |
| 08/25/1998 | US5797258 Method of manufacturing hollow diamond cut chain with multi-faceted surface |
| 08/25/1998 | US5797184 Method of making a heat exchanger |
| 08/20/1998 | WO1998035770A1 A method of producing heat transfer plates; an assortment of heat transfer plates; and a plate heat exchanger comprising heat transfer plates included in the assortment |
| 08/20/1998 | DE19706466A1 Verfahren zur spanlosen Herstellung eines eine Nabe aufweisenden Getriebeteiles Method for cutting production of a hub having a transmission part |
| 08/19/1998 | EP0627997B1 High strength automotive seat frame and method |
| 08/19/1998 | CN1190607A Method of manufcturing frame of cathod ray tube |
| 08/18/1998 | US5795035 Wheel cover simulating cast aluminum wheel |
| 08/18/1998 | US5794741 Installation ring for mounting pressurized fluid buffer device and fabrication method therefor |
| 08/18/1998 | US5794484 Universally making waved parts |
| 08/18/1998 | US5794481 Device for bending or curving hollow-section strips |
| 08/18/1998 | US5794340 Method for the manufacture of a vehicle wheel |
| 08/18/1998 | CA2118780C Stamp formed muffler with hermetically sealed laminated outer shell and method of manufacture |
| 08/13/1998 | WO1998034727A1 Honeycomb body with flattened cross-sectional area |
| 08/13/1998 | WO1998034726A2 Honeycomb body with cross-sectional area framed in the interior, particularly for small-power motors |
| 08/13/1998 | WO1998034725A2 Method and device for producing a honeycomb body |
| 08/13/1998 | DE19704690A1 Wabenkörper mit abgeflachtem Querschnittsbereich A honeycomb body with a flattened cross-sectional area |
| 08/13/1998 | DE19704689A1 Wabenkörper mit im Inneren freiem Querschnittsbereich, insbesondere für Kleinmotoren Honeycombs with free inside cross-sectional area, especially for small engines |
| 08/13/1998 | DE19704521A1 Verfahren und Vorrichtung zur Herstellung eines Wabenkörpers Method and apparatus for producing a honeycomb body |
| 08/12/1998 | EP0857528A2 Method of producing a sheet metal fan, and fan produced thereby |
| 08/12/1998 | EP0857526A1 Blank for plastic deformation, at least part of which is double-skinned |
| 08/11/1998 | US5791186 Press working method for plate material and press working apparatus using the same |
| 08/05/1998 | CN2287063Y Mould for pressing air valve clasp |
| 08/04/1998 | US5787763 Process for manufacturing a connecting rod made of sheet metal |
| 08/04/1998 | US5787750 Folding system for a cutting blade |
| 08/04/1998 | US5787585 Method of making a vehicle compartment from a cylindrical tube |
| 08/04/1998 | CA2005404C Process allowing attachment |
| 07/30/1998 | WO1998032984A1 Bearing assembly and manufacturing method |
| 07/30/1998 | DE19802380A1 Method of forming key on sheet metal part |
| 07/28/1998 | US5785332 Motor vehicle steering knuckle assembly |
| 07/28/1998 | US5785119 Heat exchanger and method for manufacturing the same |
| 07/22/1998 | EP0854343A2 Heat exchanger and method of producing the same |
| 07/22/1998 | EP0854342A2 Tubes for heat exchanger |
| 07/22/1998 | CN1188429A Device and method for producing honeycomb element from entwined sheet-metal layers |
| 07/21/1998 | US5782123 Working tool for pipe wall |
| 07/16/1998 | DE3890159C2 Expanding sleeve of anchor bolt and method of manufacturing |
| 07/16/1998 | DE19700871A1 Producing hub of road vehicle steering wheel |
| 07/16/1998 | DE19700604A1 Corner connector machine with at least one stamp embossment device |
| 07/15/1998 | CN2286081Y Valve race working belt rolling machine |
| 07/15/1998 | CN1187784A Method and device for producing honeycomb body, in particular catalyst-support body |
| 07/14/1998 | US5779415 Sleeve for guiding, deflecting and holding a nail and process for producing this sleeve |
| 07/08/1998 | EP0852163A1 Method for constructing heat exchangers using fluidic expansion |
| 07/08/1998 | CN2285702Y 钥匙机 Key machine |
| 07/08/1998 | CN1186640A Slider for slide fastener and metal mould for the same |
| 07/07/1998 | US5775159 Method of manufacturing an undercut deep-drawn workpiece |
| 07/07/1998 | US5774986 Method and apparatus for cold-forming of toothed wheels from sheet metal |
| 07/02/1998 | WO1998028097A1 Method for the production of a sheet metal part by forming |
| 07/01/1998 | EP0851200A2 Process for arranging tabs and/or projections on a thin sheet and thin tube of rectangular cross section |
| 07/01/1998 | EP0850577A2 Slider for slide fastener and a metal mold for the same |
| 07/01/1998 | CN1186222A Method for constructing heat exchangers using fluide expansion |
| 06/30/1998 | US5772801 Process for the forming of metal alloy wheel rims |
| 06/30/1998 | US5772288 Vehicle wheel |
| 06/30/1998 | US5771725 Method of producing a band blade, a method of bending a strip material, and an apparatus for bending a stip material |
| 06/25/1998 | WO1998027393A1 A heat exchanger |
| 06/24/1998 | EP0849476A1 Hollow rivet fixable to a metal container by projection welding and method of making such rivet |
| 06/24/1998 | EP0848760A1 Process for manufacturing thin pipes |
| 06/23/1998 | US5768934 Outer joint part produced as a formed plate metal part |
| 06/23/1998 | CA2015886C Temperature control device provided in a plastic processing machine and process of manufacturing a shell section of a heat transfer shell for use in such device |
| 06/18/1998 | DE19755342A1 Method for holding and forming a workpiece |
| 06/17/1998 | CN1185205A Tube finning machine, method and products thereof |
| 06/16/1998 | US5765284 Method for constructing heat exchangers using fluidic expansion |
| 06/16/1998 | CA2127197C Structure and method for joining extrudate member and mating member |
| 06/11/1998 | WO1998024569A1 Method for producing a molded part and a molded part produced according to said method |
| 06/10/1998 | EP0846232A1 Connecting rod for piston-operated machines, especially compressors, and process for its production |
| 06/10/1998 | EP0794843A4 Fin folding machine for corrugating sheet material |
| 06/10/1998 | EP0699292B1 Heat exchanger |
| 06/10/1998 | EP0630299B1 Shaft clutch mechanism and its production |
| 06/10/1998 | CN1184246A Heat exchanging fin and die-punch set for manufacturing the same |
| 06/09/1998 | US5761808 Method of making a heat exchanger |
| 06/09/1998 | US5761807 Method of manufacture of a multiple finned tube |
| 06/04/1998 | DE19752475A1 Method for manufacturing laminated heat exchanger |
| 06/03/1998 | EP0845313A2 Shell lock seaming machine |
| 06/03/1998 | EP0845311A1 Silencer shell forming apparatus |
| 06/03/1998 | EP0745178B1 Multiple cams |
| 06/03/1998 | EP0726825B1 Process for manufacturing a connecting rod made of sheet metal |
| 06/03/1998 | CN1183325A Splay foot shaping method for rail bar of door or window, and its structure |
| 06/02/1998 | US5758415 Method of manufacturing a tappet in an internal combustion engine |
| 05/28/1998 | WO1998022769A1 Heat exchanger tube and method of manufacturing same |
| 05/28/1998 | WO1998022239A1 Integral structure of sheet material and cylindrical member and production method thereof |
| 05/27/1998 | EP0844447A2 Method for producing a heat exchanger for a refrigeration apparatus and heat exchanger produced therewith |
| 05/26/1998 | US5756167 Rigid elongated member for use in vehicles and producing method and apparatus therefor |
| 05/26/1998 | US5755133 Mold for fabricating a screw washer and a screw washer |
| 05/22/1998 | WO1998020990A1 Method and machine for making a finned body |
| 05/20/1998 | CN1038398C Processing method for tooth profile of key |
| 05/19/1998 | US5752705 Piston rings |
| 05/19/1998 | US5752407 Agricultural sweep manufacturing process |
| 05/13/1998 | CN1181799A Assembled multi-layer shafts |
| 05/13/1998 | CN1181290A Process for manufacturing contacts for electronics devices, manufacturing apparatus for carrying out same process and continuous strip material for stamping used for the same process |
| 05/12/1998 | US5749255 Bending device for hollow double-structured pipe |
| 05/06/1998 | EP0840083A2 A baffle for a heat exchanger |
| 05/06/1998 | EP0839991A1 Method of manufacturing a tappet in an internal combustion engine |
| 05/06/1998 | CN1181037A Ball-point pen refill and method for manufacturing the same |
| 05/05/1998 | US5746079 Method for the production of a valve housing |
| 04/29/1998 | EP0837642A1 Method for manufacturing objects from pure silver, particularly silver tableware, and the objects obtained thereby |
| 04/29/1998 | CN1180160A Heat transfer tube with cross-grooved inner surface and method of manufacturing thereof |
| 04/28/1998 | US5744175 Device for expanding rotationally symmetrical shaped parts |