| 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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| 04/23/1996 | US5510194 Perforated plate filter media and related products |
| 04/17/1996 | EP0714335A4 A machine for forming a metal strip into a tubular form having a stop-restart displacement mechanism |
| 04/17/1996 | EP0707157A1 Propeller shaft and method for producing the same |
| 04/10/1996 | EP0705651A1 A method and an apparatus for deburring |
| 04/10/1996 | EP0705155A1 Method of forming seamed metal tube |
| 04/10/1996 | CN1120322A Pipe forming machine |
| 04/04/1996 | WO1996009904A1 Boring method for forming tapering through hole in work by using press, and boring tool therefor |
| 04/04/1996 | DE19536978A1 Weld plating of steel tube |
| 04/03/1996 | CN1119776A Metal tube and electric cable using the same |
| 04/03/1996 | CN1119564A Upestting forger for working wire with iso-section |
| 03/27/1996 | EP0703017A2 Method for the production of longitudinally seam welded metal tubes |
| 03/25/1996 | CA2158911A1 Method for producing a lengthwise welded metal tube |
| 03/13/1996 | CN1118294A Process of two layer lead soldered tube |
| 03/13/1996 | CN1118287A Process and mould for punching groove on fixing sleeve of pressure flexible tube |
| 03/12/1996 | US5497642 Apparatus and method for forming precision surfaces on shaft-like components |
| 03/07/1996 | WO1996006760A1 Belt fixture for seat belt assembly and process for production thereof |
| 03/07/1996 | WO1996006707A1 Manufacture of internally enhanced welded tubing |
| 03/07/1996 | DE4431495A1 Process for making multi=edged wire with screw=like windings |
| 03/06/1996 | EP0699773A1 Method for manufacturing electric-resistance-welded steel pipe |
| 03/06/1996 | CN1117894A Production process of chromium-molybolenum steel thin-wall tube for bicycle and its technology |
| 02/28/1996 | EP0698354A2 Slide fastener elements and method and apparatus for forming the same |
| 02/28/1996 | CN1117408A Method and equipment for mfg. metallic spiral corrugated pipe |
| 02/28/1996 | CN1031111C Method and apparatus to manufacture heat exchange and finished heat exchanger |
| 02/27/1996 | US5494209 Method for the manufacture of an internally enhanced welded tubing |
| 02/22/1996 | WO1996005004A1 Method of manufacturing a hollow spindle |
| 02/20/1996 | US5491883 Method of manufacturing a non-linear composite tube |
| 02/15/1996 | DE4428875A1 Hohle Achse Hollow axle |
| 02/14/1996 | EP0696486A1 Method and device for bending sheet metal blanks |
| 02/08/1996 | WO1996003249A1 Method of manufacturing laser welded pipes and apparatus for manufacturing the same |
| 02/08/1996 | CA2170055A1 Method of manufacturing laser welded pipes and apparatus for manufacturing the same |
| 02/07/1996 | EP0695598A1 Method of manufacturing dissimilar metal transition pipe joint |
| 01/31/1996 | EP0694348A1 Method and press for producing large tubes from metal sheet |
| 01/31/1996 | CN2218616Y Circular cone pipe forming device |
| 01/30/1996 | US5487292 Method and apparatus for advancing tubing into a draw die |
| 01/24/1996 | EP0693008A1 Stiffening bulging |
| 01/24/1996 | EP0566733B1 Method and apparatus for production of continuous metal strip |
| 01/24/1996 | CN1115584A Bibcock using tube material and method of manufacturing same |
| 01/23/1996 | US5485945 Opening apparatus having an alignment system for producing a continuous metal strip from a split-tube |
| 01/23/1996 | CA1337963C Helically formed tubing |
| 01/18/1996 | DE4425073A1 Prodn. of inside profile of hollow body oriented w.r.t. external profile |
| 01/17/1996 | EP0692322A2 Method and apparatus for shaping metal tubes into conical or tapening bodies |
| 01/16/1996 | US5484974 Making electric-resistance-soldered multilayer tubing |
| 01/12/1996 | EP0684092A4 Method of manufacturing wire. |
| 01/11/1996 | WO1996000821A1 Preperforated coiled tubing |
| 01/11/1996 | CA2193864A1 Preperforated coiled tubing |
| 01/09/1996 | US5482112 For liquefying gaseous coolant in an air conditioning system |
| 01/09/1996 | US5481788 Apparatus for producing welding rod |
| 01/02/1996 | US5480505 Method of fabricating a steel pipe with integrally formed liner |
| 12/26/1995 | US5477717 Apparatus for cutting helically wound metal tubing |
| 12/21/1995 | WO1995034387A1 Method of producing a seamless hot-finished tube |
| 12/21/1995 | CA2192970A1 Method of producing a seamless hot-finished tube |
| 12/20/1995 | EP0687880A1 Tube with a plurality of spiral ribs and method of manufacturing the same |
| 12/20/1995 | CN1030541C Method and apparatus for three-layer welded pipes |
| 12/19/1995 | US5476209 Process of preparing composite wire |
| 12/19/1995 | US5476075 Hollow rocker-arm shaft for internal combustion engines |
| 12/19/1995 | US5475911 Multi-stage dual wall hydroforming |
| 12/14/1995 | WO1995033876A1 Method of making multiple diameter metallic tow material |
| 12/13/1995 | EP0686440A1 Hydroforming apparatus |
| 12/12/1995 | US5474975 Coating interior of hollow ceramic structure with metal, or oxide thereof, and oxidation |
| 12/12/1995 | US5474736 Methods for manufacturing tubes filled with powdery and granular substances |
| 12/12/1995 | US5474227 Method of forming seamed metal tube |
| 12/07/1995 | WO1995032819A1 Manufacturing of high alloy wire |
| 12/07/1995 | DE4419652A1 Plate=shaped element for light component mfr. |
| 12/05/1995 | CA2010755C Running circular pipe cutting device |
| 11/30/1995 | DE4420756C1 Ribbed heat exchanger tube |
| 11/30/1995 | DE4417446A1 Method of producing connection hole for sprinklers in pipes for fire systems |
| 11/29/1995 | EP0684092A1 Method of manufacturing wire |
| 11/23/1995 | WO1995031635A1 Pipe junction and device for producing the same |
| 11/23/1995 | DE4417524A1 Process for manufacturing and assembling wire turbulators for heat exchanger tubes |
| 11/23/1995 | DE4417214A1 Continuous manufacture of axially welded tubing from strip |
| 11/23/1995 | CA2189968A1 Pipe junction and device for producing the same |
| 11/22/1995 | EP0664862A4 Manufacture of helically corrugated conduit. |
| 11/21/1995 | US5469481 Method of preparing fuel cladding having an alloyed zirconium barrier layer |
| 11/16/1995 | DE4416700A1 Deflashing equipment for tubes |
| 11/09/1995 | WO1995029786A1 Method of forming seamed metal tube |
| 11/09/1995 | DE4416231A1 Continuous prodn. of a two-component metallic strip |
| 11/08/1995 | CN1111173A Method and apparatus for making copper tube of crystallizer in continuous casting machine |
| 10/31/1995 | US5461896 Automated changeover tube mill |
| 10/26/1995 | WO1995028240A1 Forming head for the production of helically-wound tubing |
| 10/26/1995 | WO1995028239A1 Bright-annealed highly smooth inner surface stainless steel pipe and method of manufacturing the same |
| 10/25/1995 | CN1110634A Manufacture method and device of internal screw pipe |
| 10/24/1995 | US5460563 Method for preparing the internal surface of pipe |
| 10/24/1995 | US5460315 Making a cell for a motor-vehicle latent-heat storage unit |
| 10/19/1995 | WO1995027991A1 Superconductor cable and method of making |
| 10/19/1995 | WO1995027608A1 Fabricating steel pipe with an integrally formed liner |
| 10/19/1995 | WO1995027576A1 Forming grooves in a tubular member |
| 10/18/1995 | EP0677711A1 Method and device for the manufacture of a freezing drum |
| 10/18/1995 | EP0677341A1 Forming head for the production of helically wound tubing |
| 10/18/1995 | EP0677340A1 Method for the manufacture of internally enhanced welded tubing |
| 10/17/1995 | US5458190 Condenser |
| 10/10/1995 | US5456405 Dual bias weld for continuous coiled tubing |
| 10/10/1995 | US5456006 Method for making a heat exchanger tube |
| 10/05/1995 | DE4442434C1 Method for mfr. of rolled hollow plate profiles |
| 10/04/1995 | EP0674955A1 Device for scouring and breaking the inside chip of straight bead welded tubes |
| 10/04/1995 | EP0630308B1 A device for cladding tubes by means of an explosive process |
| 10/03/1995 | US5454163 Method of making a foraminous article |
| 09/28/1995 | DE4410157A1 Electromagnet for actuating hydraulic valve |
| 09/28/1995 | DE19509049A1 Nuclear fuel cladding tube mfr. |
| 09/28/1995 | DE19509046A1 Three=layer nuclear fuel cladding tube mfr. |
| 09/28/1995 | DE19508798A1 Vehicle hydraulic steering rack mfr. |