| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 02/18/1992 | CA1295957C Welded metal-plastic composite storage tanks and manufacture process |
| 02/12/1992 | CN2095730U Medium frequency arc stabilizer |
| 02/11/1992 | CA1295692C Gas tungsten arc welding machine with infinite rotating welding head and torch tilt |
| 02/06/1992 | DE4023419A1 Tig welding control - adjusts frequency of welding current to electrode to set penetration depth |
| 02/05/1992 | CN1058362A Cold welding with high-energy electric arc for cast iron |
| 02/04/1992 | US5086208 Hand held electric arc welder |
| 02/04/1992 | US5086207 Monitoring of arc welding by analyzing modulation of radiation from carrier signals superimposed on weld current |
| 02/04/1992 | US5086206 Support arm |
| 02/04/1992 | US5086205 Apparatus employing a welding power supply for powering a plasma cutting torch |
| 02/04/1992 | US5085493 Method of simultaneously splicing by fusion welding several pairs of optical wave guides |
| 02/04/1992 | US5085363 Method of weld repairing of a section of a metallic cylindrical member |
| 02/04/1992 | US5085133 Exhaust extraction system for welding site |
| 02/04/1992 | CA1295096C Hardsurfaced power-generating turbine components and method of hardsurfacing metal substrates using a buttering layer |
| 01/30/1992 | DE4124276A1 Wire feeding device for arc welding - with wire held between two feeding discs and freely rotatable rollers on adjustable cam levers |
| 01/29/1992 | EP0468953A2 Procedure and device for automatic or semiautomatic welding |
| 01/29/1992 | EP0468845A1 Procedure for steering a robot with movable arm supporting a wire spending device along a working line |
| 01/29/1992 | CN2094413U Float welding wire machine |
| 01/29/1992 | CN2094412U Overhead electric arc welding device |
| 01/29/1992 | CN2094411U Water electrolysis hydrogen and oxygen welding cut and ac electric welding device |
| 01/28/1992 | US5084605 Welding torch having improved gas jetting capability |
| 01/28/1992 | US5084603 Articulated protective shield for a welding head |
| 01/28/1992 | US5084113 Quench hardening a valve of heat resistant martensite steel wi th a facing |
| 01/23/1992 | DE4023253A1 Harmonic-free DC power supply for bipolar load - uses concreted shorting of several sources of direct current sharing same deg. of pulse width modulation |
| 01/22/1992 | CN2093713U No-load automatic controller of arc welding machine |
| 01/22/1992 | CN1058121A Power supply unit and welding equipment |
| 01/22/1992 | CN1058087A Dc arc torch power supply |
| 01/21/1992 | US5083002 Shielding gas mixture for welding superalloys |
| 01/21/1992 | US5082166 Connector beam joining method |
| 01/21/1992 | CA1294418C Method and apparatus for repairing a refrigeration sealed system |
| 01/16/1992 | DE4110190A1 Guidance system for arc welding torch |
| 01/15/1992 | EP0466325A2 Stud welding tools |
| 01/15/1992 | CN2093056U Counter direction welding auxiliary device |
| 01/15/1992 | CN1057938A 电源 Power supply |
| 01/14/1992 | US5081335 Miniature welding apparatus |
| 01/14/1992 | US5081334 Gas shield for welding |
| 01/14/1992 | US5080593 Water-cooled high-current docking plug |
| 01/14/1992 | US5080278 Process and apparatus for sealing a metallic capsule and welding it to a metal cable |
| 01/09/1992 | WO1992000542A1 Method of controlling operations of galvanometer for scanner |
| 01/09/1992 | WO1992000160A1 Narrow beam arc spray device and method |
| 01/09/1992 | DE4121740A1 Arc welding unit with precision adjustment for welding current - M23-X25 |
| 01/09/1992 | DE4019484A1 Welding support to prevent escape of molten weld metal in seam wel - has surface element covering sides of welding position pressed by spring, for longitudinal and circumferential seams on steel sheet |
| 01/08/1992 | CN2092394U Electrode holders with quick join |
| 01/08/1992 | CN2092393U Slipcover for the handle of electrode holders |
| 01/07/1992 | US5079405 Electrode oscillating mechanism for welding electrode holder |
| 01/07/1992 | US5079404 Welding torch with fume-extraction hood |
| 01/02/1992 | EP0463489A2 Source of welding current, especially source of current for arc-welding, with additional sets |
| 01/01/1992 | CN2091737U Plasma cutting torch with resilient electrode holder |
| 01/01/1992 | CN2091736U High-frequency and high-power arc welding power supply comprising pulsive energy transducer with non-crystal soft-magnetism core |
| 12/27/1991 | EP0462487A1 Method of repairing turbine blades |
| 12/27/1991 | EP0259459B1 Powder atomizing methods and apparatus |
| 12/27/1991 | EP0195089B1 Welding control system in an automatic welding machine |
| 12/25/1991 | CN2091198U No-load saving electric welding machine |
| 12/25/1991 | CN1015219B Process for fixing pipes to thick-wall assemblies e.g.vessels of pressurized-water reactor by means of welding |
| 12/24/1991 | US5075534 Arc sensor provided with a transparent objective window having a contamination preventing construction |
| 12/24/1991 | US5075533 Method of and apparatus for controlling a welding robot |
| 12/24/1991 | US5075527 Apparatus and method for welding joint fixtures to a pipe |
| 12/24/1991 | US5074802 Pneumatic-electric quick disconnect connector for a plasma arc torch |
| 12/24/1991 | US5074469 Wire pistol |
| 12/24/1991 | US5074198 Focussed ventilation procedure for a work spot and apparatus used in the procedure |
| 12/24/1991 | CA1293395C Internal pipe clamp for inert gas welding |
| 12/18/1991 | EP0461203A1 Method of operation for high speed automatic welding. |
| 12/18/1991 | EP0461122A1 Distributed processing control system for automatic welding operation. |
| 12/18/1991 | CN2090749U Dc arc welding machine |
| 12/17/1991 | US5073695 Welding power supply with short circuit protection |
| 12/16/1991 | WO1991020176A1 A dc arc torch power supply |
| 12/16/1991 | CA2085594A1 Dc arc torch power supply |
| 12/12/1991 | WO1991018702A1 Break away torch holder for cutting machines |
| 12/12/1991 | DE4015895C1 Appts. for welding of small titanium (alloy) parts e.g. jewellery - comprises enclosure which can be sealed gas-tight and which contains gas inlet for welding torch |
| 12/11/1991 | EP0460974A2 Power supply unit and welding equipment |
| 12/11/1991 | EP0460211A1 Production of anticorrosive and antiwearing alloy |
| 12/11/1991 | EP0188623B1 Method for setting tool coordinate system |
| 12/11/1991 | CN2090295U Microcomputer-controlled submerged-arc welder |
| 12/11/1991 | CN2090294U Miniature silicon controlled rectified arc welder |
| 12/10/1991 | US5071054 Fabrication of cast articles from high melting temperature superalloy compositions |
| 12/10/1991 | US5070568 Cleaning device for cleaning nozzle and welding tip of a wire feed electrical arc welder |
| 12/09/1991 | CA2044065A1 Power supply unit and welding equipment |
| 12/05/1991 | DE4017886A1 Ferrite pipeline welding shaping gas assembly - has structured channels in entry and exhaust bodies with sintered metal lenses for gas passage for corrosion prevention of steel pipe |
| 12/05/1991 | DE4017634A1 Continuously welding tube from coiled strip - by passing through shaping rollers induction heaters to pre-heat butting edges and finally welding with burner |
| 12/04/1991 | EP0458985A1 An electric welding robot and a method for welding by using the robot. |
| 12/04/1991 | CN2089857U Electric welding pincers with dismountable straight shank pliers port |
| 12/04/1991 | CN2089856U Rectifcation d.c. electric welder |
| 12/03/1991 | US5070226 Interactive stud welding gun |
| 12/03/1991 | US5070225 Method for overhead submerged arc welding and apparatus to implement the same |
| 12/03/1991 | US5069382 Apparatus and method for producing a pressure vessel from metal tubing |
| 11/27/1991 | EP0397789A4 Improved cored electrode wires |
| 11/27/1991 | CN2089386U Pneumatic gloove weld tracing device |
| 11/27/1991 | CN1014874B Outer monitoring automatic welding machine for inner ring seam welding of container |
| 11/26/1991 | US5068511 Stud welding tool |
| 11/26/1991 | US5067632 Device for the individual feeding of studs or bolts |
| 11/21/1991 | EP0456976A2 Procedure and device for sealing a metallic capsule and for welding together with a metal cable |
| 11/20/1991 | CN2088919U Electrode holders |
| 11/20/1991 | CN2088918U Hend (electric) welding torch |
| 11/19/1991 | US5066848 Automatic copying method for a welding torch in an arc welding robot |
| 11/19/1991 | US5066847 Automatic welding machine path correction method |
| 11/19/1991 | US5066845 Resistance welding electrode coated with ceramic layer |
| 11/16/1991 | WO1991018488A1 A dc switched arc torch power supply |
| 11/16/1991 | CA2082812A1 A dc switched arc torch power supply |
| 11/13/1991 | CN1056075A Ac arc welding machine with a three-core transformer |
| 11/12/1991 | US5064986 Cordless exothermic rod ignition system |
| 11/12/1991 | US5064575 Method and device for the loading and sealing of a double container system for the storage of radioactive material and a seal for the double container system |