| 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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| 11/12/1992 | WO1992019904A1 A structurally composite metal and plastics tube and method of manufacture |
| 11/12/1992 | DE4115109A1 Edge-bending stand for tube roll-forming machine |
| 11/10/1992 | US5161289 Header machine |
| 11/10/1992 | CA1309899C Process and device for spiral winding of tapes |
| 11/03/1992 | US5160794 Alloying niobium, titanium, zirconium and/or vanadium at layer interface, drawing into wire |
| 11/03/1992 | US5160550 Ternary alloy of niobium, tantalum, titanium, zirconium, hafnium or vanadium at interface of sheet layers, wire |
| 10/28/1992 | EP0510759A1 A method of producing a thin-walled pipe bend |
| 10/28/1992 | CN1065722A Heat-transfer small size tube and method of manufacturing same |
| 10/27/1992 | US5158814 Flexible metal conduit and method of making the same |
| 10/27/1992 | US5158620 Multilayer of transition metals; partial alloying |
| 10/27/1992 | US5158389 Hollow section for coupling with other sections |
| 10/27/1992 | US5158203 Segmented composite cylinder assembly |
| 10/27/1992 | US5158115 For use in underground installations |
| 10/27/1992 | CA1309237C Method and apparatus for producing continuous lengths of coilable tubing |
| 10/22/1992 | DE4113273A1 Mfg. process for short tubular components with reducing cross=section - by cold rolling on mandrel in a reciprocating roll stand with advance and rotation of the tube |
| 10/21/1992 | EP0509621A1 Method and device for reovaling longitudinal seam welded tubes |
| 10/06/1992 | US5152323 Plastic-lined pipe |
| 10/06/1992 | CA1308382C Apparatus and method used in making wire and similar elongate members and wire made using same |
| 09/29/1992 | CA1307980C Method for the production of a composite pipe and an apparatus for the same |
| 09/23/1992 | EP0504219A1 Steel wire for reinforcing the embedding material, especially concrete, and process for making it. |
| 09/23/1992 | CN1018382B Bent pipe |
| 09/22/1992 | US5148966 Winding planar material made of titanium, niobium, and tantalum, splicing, welding, annealing |
| 09/22/1992 | US5148960 Rotary seam guide |
| 09/20/1992 | WO1992016815A1 Firearm insert for firing smaller caliber ammunition and process for producing a insertable barrel |
| 09/20/1992 | CA2083284A1 Firearm insert for firing smaller caliber ammunition and a process for producing an insertable barrel |
| 09/17/1992 | WO1992015409A1 Process and device for making double-walled tubes by the so-called bundy method |
| 09/16/1992 | EP0502856A1 Improved roller |
| 09/16/1992 | CN1018240B Method of manufacturing special pipe for drilling and apparatus therefor |
| 09/15/1992 | US5148000 Distributed processing control system for automatic welding operation |
| 09/15/1992 | US5146979 Enhanced heat transfer surface and apparatus and method of manufacture |
| 09/09/1992 | EP0502761A1 Steering column tube and frame for automotive vehicle |
| 09/08/1992 | US5145103 Partial elimination of copper plate from steel strip by mechanical means |
| 09/08/1992 | US5144830 Method for production of nodes for tubular truss structures |
| 09/03/1992 | WO1992014564A1 Apparatus for cutting spiral pipe |
| 08/27/1992 | DE4103082A1 Verfahren zum hydrostatischen umformen von hohlkoerpern aus kaltumformbarem metall und vorrichtung zur durchfuehrung des verfahrens A method of hydrostatic transform of hohlkoerpern from cold-workable metal and apparatus for performing the method |
| 08/26/1992 | EP0499915A1 Apparatus for cutting spiral pipe |
| 08/25/1992 | US5140732 Method of forming bushing plate for glass filaments |
| 08/20/1992 | WO1992013653A1 Process for the hydrostatic shaping of hollow bodies of cold-workable metal and device for implementing it |
| 08/19/1992 | EP0499257A2 Heat-transfer small size tube and method of manufacturing the same |
| 08/18/1992 | US5140123 Continuous manufacturing method for a metal welded tube and a manufacturing apparatus therefor |
| 08/12/1992 | EP0299071B1 Method and device for removing internal burrs inside longitudinally welded pipe |
| 08/12/1992 | CN1063435A Method for manufacturing longitudinal seam welded tube |
| 08/11/1992 | US5137293 Vehicle auxiliary assist step assembly |
| 07/29/1992 | EP0496425A1 Method and apparatus for forming box-shaped sheet metal ducts |
| 07/29/1992 | EP0496231A2 Procedure for the fabrication of tubes with longitudinally welded seam |
| 07/29/1992 | EP0339094B1 Method of guiding material to fin-pass roll and its guide roll stand |
| 07/25/1992 | CA2059876A1 Method of making longitudinally seam-welded tubing |
| 07/23/1992 | WO1992012844A1 Variable angular insertion method for lining tubular members |
| 07/23/1992 | DE4101941A1 Cold reciprocating rolling - uses lengths of wire feed in multiples of workpiece length with tubular material guide to prevent kinking |
| 07/23/1992 | CA2100968A1 Variable angular insertion method for lining tubular members |
| 07/21/1992 | US5131583 Method of manufacturing high pressure fluid supply pipe |
| 07/14/1992 | US5129572 Process for the manufacture of a metallic composite wire |
| 07/14/1992 | US5129571 Manufacture of metal tubes |
| 07/14/1992 | US5129249 Process and apparatus for forming a circular lip around an opening |
| 07/10/1992 | CA2055314A1 Bellows pipe construction and method of manufacture |
| 07/08/1992 | CN1017371B Method for making self-supporting flexible hose, device for effecting this method and self-supporting flexible hose |
| 06/30/1992 | CA1304430C Feed-through element for a vacuum apparatus |
| 06/25/1992 | WO1992010317A1 Improvements in and relating to the production of helically wound tubing of non-circular cross section |
| 06/21/1992 | CA2058063A1 Foam molding having various density regions, the production thereof, and a mold therefor |
| 06/16/1992 | US5121872 Method and apparatus for installing electrical logging cable inside coiled tubing |
| 06/11/1992 | DE4039279A1 Double-wall insulated tube mfr. - in which hot outer tube is pulled over cold inner tube and shrinks onto filler between to give firm, uniform bond |
| 06/09/1992 | US5119984 Manufacture of metal tubes |
| 06/09/1992 | US5119662 Methods for cold drawing seamless metal tubes each having an upset portion on each end |
| 06/09/1992 | US5119661 Apparatus for manufacturing profile pipes used in well construction |
| 06/09/1992 | US5119552 Method for manufacturing header pipe of heat exchanger |
| 05/27/1992 | EP0487007A2 Process for the manufacture of radiant panels and the like and radiant panel thus obtained |
| 05/27/1992 | EP0232331B1 Roll forming of metal articles |
| 05/21/1992 | DE4137848A1 Electrophotographic photoconductor drum with high dimensional accuracy - is produced from sheet metal by HF welding, turning end over and stretching |
| 05/19/1992 | US5113557 Apparatus for producing galvanized tubing |
| 05/19/1992 | CA1301161C Condenser |
| 05/19/1992 | CA1300931C Method of manufacturing clad bar |
| 05/14/1992 | WO1992007670A1 Improvements in and relating to the formation of helically wound tubing |
| 05/14/1992 | WO1992007669A1 Improvements in and relating to the formation of helically wound lock-seam tubing |
| 05/12/1992 | CA1300695C Method for welding ribbed pipe |
| 05/12/1992 | CA1300359C Apparatus for fabricating multi-layer spiral tubes |
| 05/07/1992 | DE4034734A1 Heat treatment of welded pipe seams - with utilisation of the heat produced by the welding process |
| 05/06/1992 | EP0483208A1 Method and apparatus for forming a duct section |
| 05/05/1992 | CA1299925C Die device for forming tube from a metal band |
| 04/29/1992 | CN1060615A Multichannel pipe connection plastics forming technology and mould |
| 04/29/1992 | CN1016455B 互锁多个元件的组合棒结构及其制造方法 Composite bar structure and manufacturing method of a plurality of interlocking elements |
| 04/28/1992 | US5107575 Heat exchanger and method of manufacturing the same |
| 04/27/1992 | CA2028638A1 Method for producing internally finned tubing |
| 04/22/1992 | EP0481368A2 Partial elimination of copper plate from steel strip by mechanical means |
| 04/21/1992 | US5105640 Method and apparatus for forming box-shaped sheet metal ducts |
| 04/21/1992 | US5105639 Apparatus for forming spiral pipe |
| 04/15/1992 | EP0480914A2 Condenser |
| 04/08/1992 | EP0479775A2 Condenser |
| 04/08/1992 | CN1016147B Method for manufacturing light metal profiles |
| 04/01/1992 | EP0477513A2 Connection device for a window bar grid |
| 03/31/1992 | CA1298280C Heat exchanger and method to produce same |
| 03/26/1992 | DE3745004C2 Heat exchanger tubes mfr. |
| 03/24/1992 | US5097585 Method of forming a composite tubular unit by expanding, low-frequency induction heating and successively quenching |
| 03/17/1992 | US5096521 Method for making a self-supporting flexible hose, devices for effecting this method and self-supporting flexible hose |
| 03/11/1992 | EP0474457A1 Channel forming apparatus |
| 03/11/1992 | EP0473932A2 Device for the comminution of inner chips of longitudinally welded pipes |
| 03/05/1992 | WO1992003236A1 A method of tube forming |
| 03/04/1992 | CN1015695B Sizing tool for machine for longitudinal seam welding of rounded can bodies |
| 03/03/1992 | US5092038 Method of manufacturing spiral heat exchanger tubes with an external fin |
| 02/25/1992 | US5090743 Compressible fitting and associated method |
| 02/25/1992 | US5090611 Method of making a cross joint between pipes |