| Patents for B21C 37 - Manufacture of metal sheets, rods, wire, tubes, profilesor like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape (9,784) |
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| 11/13/1996 | EP0741913A1 Superconductor and process of manufacture |
| 11/12/1996 | US5574761 Fuel channels with off-centerline welds |
| 11/12/1996 | US5573062 Heat transfer tube for absorption refrigerating machine |
| 11/07/1996 | WO1996034708A1 Process for sheathing a plastic pipe with a metal sheath |
| 11/05/1996 | US5570508 Method of making a high strength automotive seat frame |
| 10/31/1996 | DE19515647A1 Economical radiation-selective absorber with good optical quality |
| 10/31/1996 | DE19515452A1 Chipless production method of internal tooth system for drive shaft |
| 10/31/1996 | DE19515336A1 Mfg. internally grooved tubes for heat exchangers in, e.g., air conditioners |
| 10/30/1996 | EP0739678A1 Method for producing an electric-resistance-welded steel pipe |
| 10/30/1996 | CN2238685Y Roller device of stainless steel pipe roll machine |
| 10/24/1996 | DE19513559A1 Apparatus for shaping wall of tube having double layered wall |
| 10/24/1996 | DE19512945A1 Katalysatorrohr Catalyst tube |
| 10/24/1996 | DE19511970A1 Forming double=walled tubing for air ducting or car industry |
| 10/17/1996 | DE19513807A1 Appts. for transforming a rolled wire into a profiled wire |
| 10/15/1996 | US5564184 Method for making heat pipes |
| 10/10/1996 | DE19513381A1 Light, tubular composite design constructional component |
| 10/10/1996 | DE19513313A1 Unit for forming steel tubes in tube welding unit |
| 10/03/1996 | WO1996030135A1 Process for making a strip from a hot rolled rod |
| 10/03/1996 | WO1996030116A1 Catalyst pipe |
| 10/02/1996 | CN2236372Y Shaping and coating apparatus for spiral elastic pipes |
| 10/02/1996 | CN1132122A Specially-shaped umbrella steel tube mfg. tech and appts. |
| 09/26/1996 | DE19510299A1 Frame for motor vehicles |
| 09/26/1996 | DE19510283A1 Flachrohr für einen verlöteten Wärmetauscher und Verfahren zu seiner Herstellung A flat tube for a brazed heat exchanger and process for its preparation |
| 09/25/1996 | EP0733428A1 Method and apparatus for cutting and notching a hollow pipe |
| 09/17/1996 | US5555762 Filling pipes with molten fatty acids, cooling, solidification, bending, melting and separation of filling from bent pipe |
| 09/17/1996 | US5555622 Method of manufacturing a heat transfer small size tube |
| 09/12/1996 | WO1996027475A1 Method of forming seamed metal tube |
| 09/12/1996 | WO1996027456A1 Stainless steel shafts, assemblies and methods of making same |
| 09/12/1996 | WO1996027455A1 Method and apparatus for producing helically wound lock-seam tubing |
| 09/11/1996 | CN1130551A Cold drawing technique for forming reducing stainless steel elbow and teapot mouth made thereby |
| 09/10/1996 | US5553640 Stainless steel strip plated with brazing alloy for multilayer tube manufacturing |
| 09/10/1996 | US5553377 Method of making refrigerant tubes for heat exchangers |
| 09/06/1996 | WO1996027076A1 Multiple cam module |
| 09/06/1996 | WO1996027069A1 Metal coiled tubing with signal transmitting passageway |
| 09/05/1996 | DE19606397A1 Mehrfachnocken-Modul Multiple cam module |
| 09/03/1996 | US5551504 Heat exchange element |
| 08/29/1996 | DE19506076A1 Corrugated metal tube manufacturing method for cable sheaths or waveguides |
| 08/22/1996 | DE19605449A1 Mehrfachgewickeltes Metallrohr sowie Verfahren und Vorrichtung zu dessen Herstellung Multiple Coiled metal tubing, as well as method and apparatus for its production |
| 08/22/1996 | DE19515853C1 Metal jacket application method for plastics pipes |
| 08/21/1996 | EP0727343A1 Vehicle body and method of manufacture |
| 08/21/1996 | EP0727269A1 Method of producing a surface with alternating ridges and depressions and a tool for carrying out the said method |
| 08/21/1996 | CN2233291Y Automatic pressure-regulating device for forming plain-barrelled roll of high-frequency pipe-welding machine |
| 08/21/1996 | CN1129316A Heat transfer tube |
| 08/20/1996 | US5547217 Air bag inflator and method of manufacture thereof |
| 08/14/1996 | EP0726186A1 Belt fixture for seat belt assembly and process for production thereof |
| 08/14/1996 | EP0725727A1 Method of making machine-engraved seamless tube |
| 08/14/1996 | DE19504736A1 Longitudinally welded large pipe prodn. |
| 08/14/1996 | CN1128685A Method for mfg. metallic tube with welded longitudinal seam |
| 08/08/1996 | DE19602137A1 Manufacturing device for twisted pipes |
| 08/08/1996 | DE19503298A1 Thread section on round or polygonal hollow base body |
| 08/06/1996 | US5542472 Metal coiled tubing with signal transmitting passageway |
| 08/06/1996 | US5542176 Radiation plate and method of producing the same |
| 08/01/1996 | WO1996022845A1 Method of producing a metal hollow body, hollow bodies produced according to this method and device for carrying out this method |
| 08/01/1996 | DE19502918A1 Device for continuous mfg. of seam-welded helically or annularly corrugated pipes |
| 07/31/1996 | EP0724061A2 Connecting element |
| 07/25/1996 | DE19501945A1 Method for producing longitudinally welded metal pipes |
| 07/17/1996 | EP0721818A1 Method of manufacturing laser welded pipes and apparatus for manufacturing the same |
| 07/17/1996 | CN1126959A Method and apparatus for supporting a roll molding Machine Stand, and method and apparatus for measuring a supporting platform position |
| 07/17/1996 | CN1126640A Method of manufacturing an automobile steering rack |
| 07/16/1996 | US5536100 For a vehicle |
| 07/11/1996 | WO1996020808A1 Tube and shell heat exchanger and method |
| 07/10/1996 | EP0607430B1 Apparatus for manufacturing welded steel pipe |
| 07/09/1996 | US5533376 Method for preparing a tubular blank having a thick wall for a following cascade drawing operation |
| 07/04/1996 | WO1996020050A1 Method of manufacturing internally geared parts |
| 07/04/1996 | DE4446919A1 Verfahren zur Herstellung von innenverzahnten Teilen A process for producing internally toothed parts |
| 07/04/1996 | CA2209121A1 Method of manufacturing internally geared parts |
| 07/03/1996 | EP0719601A1 Universal rolling stand for forming tubes |
| 07/03/1996 | EP0719189A1 Continuous metal strip production having an alignment system |
| 07/02/1996 | US5532451 Combined cutting and welding process for manufacturing structural products, and apparatus implementing such a process |
| 06/26/1996 | EP0717667A1 Heat exchanger tubing production plant |
| 06/25/1996 | US5528829 Method of making a high strength automotive seat frame |
| 06/18/1996 | US5526881 Preperforated coiled tubing |
| 06/18/1996 | US5526663 Devices for the grooving of tubes |
| 06/12/1996 | EP0715906A1 Method and apparatus for supporting a roll molding machine stand, and method and apparatus for measuring a supporting platform position |
| 06/12/1996 | EP0715904A1 Method of manufacturing a rollformed hollow profile from metal sheet |
| 06/12/1996 | CN1124181A Integrative rolling technology for large pressure steel pipe |
| 06/11/1996 | US5525423 Method of making multiple diameter metallic tow material |
| 06/11/1996 | US5524467 Method for the inner profiling of tubes or pipes |
| 06/05/1996 | EP0714713A1 Apparatus for cutting spiral pipe |
| 06/05/1996 | EP0714335A1 A machine for forming a metal strip into a tubular form having a stop-restart displacement mechanism |
| 06/05/1996 | EP0705155A4 Method of forming seamed metal tube |
| 06/05/1996 | CN1123720A Method and apparatus for manufacturing metal flat spiral corrugated pipe |
| 06/05/1996 | CN1031929C Method and circuit arrangement controlled welding current according to wilding speed |
| 06/04/1996 | US5522246 For use in an automotive vehicle |
| 06/04/1996 | US5522124 Roller burnishing apparatus having directly driven, coaxially disposed burnishing head assembly |
| 05/28/1996 | US5520194 Guide wire for medical purpose and manufacturing process of coil thereof |
| 05/28/1996 | CA2126758C High strength automotive seat frame and method |
| 05/23/1996 | DE19516607C1 Deburring device for end faces of profiled tubes etc. |
| 05/22/1996 | EP0713072A2 Heat transfer tube |
| 05/22/1996 | EP0597859B1 Heat exchanging element and method for the manufacture thereof |
| 05/21/1996 | US5517844 Method for forming threadings in a bushing which is used to secure a hose therein |
| 05/21/1996 | US5517843 Method for making upset ends on metal pipe and resulting product |
| 05/14/1996 | US5517540 Two-step process for bonding the elements of a three-layer cladding tube |
| 05/14/1996 | US5515710 For forming a neck in a radial opening in a pipe wall |
| 05/14/1996 | US5515707 Method of increasing the fatigue life and/or reducing stress concentration cracking of coiled metal tubing |
| 05/09/1996 | DE4439481A1 Thin walled hollow tubular components with improved strength |
| 05/09/1996 | DE4438869A1 Method of producing impact protection profile for stiffening vehicle door |
| 05/01/1996 | CN1121581A Belt tub with muti-web and manufacture of same |
| 05/01/1996 | CN1121448A Process and apparatus for rounded sheet-metal blanks |
| 04/24/1996 | CN1120983A Slide fastener elements and method and apparatus for forming the same |