| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 10/05/1999 | US5961855 Low voltage electrical based parts-in-place (PIP) system for contact start torch |
| 10/05/1999 | US5961158 Welded member and clean room |
| 09/29/1999 | EP0945207A1 Plasma or TIG welding or cutting method using non-oxidizing gas containing a low content of impurities, in particular H2O and/or O2 |
| 09/29/1999 | CN2341253Y Heat radiator of electric welder |
| 09/29/1999 | CN2340556Y Electrode holder |
| 09/29/1999 | CN2340555Y Analog transistor arc welder |
| 09/28/1999 | US5959705 Welding lens with integrated display, switching mechanism and method |
| 09/28/1999 | US5958263 Stud welding method |
| 09/28/1999 | US5958261 Apparatus for welding with preheated filler material |
| 09/26/1999 | CA2266931A1 Plasma or tig welding or cutting process using a non-oxydizing gas low in h20 and/or 02 impurities |
| 09/23/1999 | WO1999047302A1 Welding torch with inverse extraction |
| 09/23/1999 | WO1999047299A1 Electrode tip dresser with vacuum |
| 09/23/1999 | WO1999031322A9 Rail welding apparatus incorporating rail restraining device, weld containment device and weld delivery unit |
| 09/23/1999 | DE19811672A1 Verfahren zum Trennen von verkokten metallischen Formteilen A method for separating coked metal shaped parts |
| 09/22/1999 | EP0943388A1 Method for cutting coked metal articles |
| 09/22/1999 | CN2339344Y Permanent magnet suction-contact handle |
| 09/22/1999 | CN2339343Y Direct-current tungsten electrode argon-arc welder |
| 09/22/1999 | CN2339342Y 节能电焊机 Saving welding |
| 09/21/1999 | US5954446 Breakaway tool coupler for robot arm |
| 09/16/1999 | WO1999046423A1 Compact electrode for discharge surface treatment and method of manufacturing discharge surface treatment compact electrode |
| 09/16/1999 | WO1999046078A1 Method for igniting an electric arc between a workpiece and a fusible electrode and device for the implementation thereof |
| 09/16/1999 | DE19906039A1 Gas-Shieldet AC ARC welding Method and Machine Making Use of Consumable Electrode Gas Shieldet AC ARC welding method and Machine Making Use of Consumable Electrode |
| 09/15/1999 | EP0941815A2 Robot system and machining method with robot system |
| 09/15/1999 | EP0941725A1 Protective mask for welders with infrared viewing system and use of such a mask |
| 09/15/1999 | CN2338125Y Over hanging beam type contour automatic cutting machine |
| 09/15/1999 | CN1228361A Arc thermal spray gun extension and gas jet member therefor |
| 09/14/1999 | US5952109 Edge combination for butt welding between plate members with different thicknesses |
| 09/14/1999 | US5951792 Method for welding age-hardenable nickel-base alloys |
| 09/14/1999 | US5950904 Gas containment box used with a welding head |
| 09/14/1999 | US5950453 Multi-component refrigeration process for liquefaction of natural gas |
| 09/12/1999 | CA2265233A1 Welding helmet with infrared vision system and use of same |
| 09/11/1999 | CA2265240A1 Arc thermal spray gun extension and gas jet member therefor |
| 09/10/1999 | WO1999044781A1 Welding power supply transformer apparatus and method |
| 09/08/1999 | EP0767867B1 Turbine vane flow area restoration method |
| 09/08/1999 | CN2336904Y Welding electric current protector |
| 09/07/1999 | US5948296 Wire wheel adapter for mig welder |
| 09/07/1999 | US5948294 Device for cathodic cleaning of wire |
| 09/02/1999 | DE19808383A1 Method for MIG/MAG electric arc welding to join two or more components made of light metals or alloys |
| 09/01/1999 | CN2335733Y Light and thermal insulation electrode holder |
| 09/01/1999 | CN2335732Y Electromagnetic nozzle for gas shield welding |
| 09/01/1999 | CN2335731Y Power-saving device for electric welder |
| 09/01/1999 | CN2335730Y Portable electric welder |
| 09/01/1999 | CN1227516A Method of welding |
| 09/01/1999 | CN1044877C Apparatus for welding continous thin steel plate under fixed water cooling welding machine head |
| 09/01/1999 | CN1044876C Bead-welding technology for repairing large gear |
| 08/31/1999 | US5945014 Method of arc welding heavy steel plates |
| 08/31/1999 | US5945013 Arc welding to build a thickness of high sulfur alloy steel |
| 08/31/1999 | US5944644 Roll of winding equipment in rolling factory |
| 08/31/1999 | US5944248 Apparatus for processing curved surfaces |
| 08/31/1999 | US5944246 Welding device with a stroke compensating arrangement |
| 08/26/1999 | DE19807182A1 Method for quality checking of weld spots |
| 08/25/1999 | EP0937529A1 Method and apparatus for reconditionig guard or guide rail elements |
| 08/25/1999 | CN1044790C Power supply for providing output for a pair of output terminals |
| 08/24/1999 | US5942289 Uniform hardfacing of a workpiece, such as steel pipes by moving the workpiece surface relative to the hardfacing apparatus, the chill block positioned so that the molten material remains melted as it passes into the gap |
| 08/24/1999 | US5942139 Consumable electrode DC arc welder |
| 08/24/1999 | US5942133 Holder for a carbon arc electrode |
| 08/24/1999 | US5940926 Multiple port evacuation apparatus having independent vacuum level control |
| 08/19/1999 | WO1999028078A3 Method for burning, welding and/or cutting metal materials using a shielding gas |
| 08/18/1999 | EP0936023A1 Welding wire and method of making same |
| 08/18/1999 | EP0936021A1 Laser beam machining device |
| 08/18/1999 | EP0936019A2 Method and apparatus for welding |
| 08/18/1999 | CN2333475Y Pulse tungsten argon arc welding machine |
| 08/18/1999 | CN2333474Y DC arc-welding generator |
| 08/18/1999 | CN2333473Y Controller for inverter argon arc welding machine |
| 08/18/1999 | CN1225862A Laser beam machining device |
| 08/18/1999 | CN1225861A Electric welding machine |
| 08/17/1999 | US5939017 Cutting torch height control system |
| 08/17/1999 | US5938955 Consumable electrode type arc welding method and device |
| 08/17/1999 | US5938946 Electric welding device and method of welding a fastening element |
| 08/17/1999 | US5938945 Method of welding weld studs to a workpiece |
| 08/17/1999 | CA2262148A1 Welding wire and method of making same |
| 08/11/1999 | EP0934139A1 Improved welding method |
| 08/11/1999 | EP0842346A4 Hardfacing with coated diamond particles |
| 08/11/1999 | EP0789786A4 Cobalt-free hardfacing alloys with improved welding characteristics |
| 08/11/1999 | CN2333116Y Single-phase multipurpose power source |
| 08/10/1999 | US5935458 Wire thermal spray apparatus with dual motors |
| 08/05/1999 | WO1999038789A1 Welding wire charge |
| 08/05/1999 | WO1999038639A1 Low voltage electrical based parts-in-place (pip) system for contact start torch |
| 08/05/1999 | CA2222257A1 Pre-wraps |
| 08/04/1999 | EP0933982A2 Plasma generator device |
| 08/04/1999 | EP0933160A1 Method for preparing a welding fluid of constant physico-chemical characteristics with time, and a plant for its preperation |
| 08/04/1999 | EP0714333B1 Method and device for producing three-dimensional bodies |
| 08/04/1999 | CN2331473Y Multifunction automatic machine tool for welding container |
| 08/04/1999 | CN2331472Y Energy-saving device for electric welding machine |
| 08/04/1999 | CN2331471Y Multifunction electric welding machine |
| 08/04/1999 | CN2331470Y Three-phase symmetrical moving iron-core type silicon arc-welding rectifier |
| 08/03/1999 | US5932123 Mobile automated pipeline welding and quality control system |
| 08/03/1999 | US5932122 Process for detecting the initial welding point of a welding robot |
| 08/03/1999 | US5932121 Welding method in the overhead and vertical positions |
| 08/02/1999 | CA2258325A1 Assembly and method for welding |
| 07/29/1999 | WO1999037435A1 Input/output subsystem for a control system |
| 07/28/1999 | EP0930951A1 Use of a metal powder for surface coating by submerged arc welding |
| 07/28/1999 | EP0930950A1 Method of welding pipe |
| 07/28/1999 | CN2330449Y Electric-welding electrode holder non-burning hand |
| 07/28/1999 | CN2330448Y All-position automatic welding operation machine with consumable electrode |
| 07/28/1999 | CN2330447Y Tungsten argon arc welding arc-length control sensor |
| 07/28/1999 | CN1224376A Method of welding pipe |
| 07/28/1999 | CN1044346C Method for mfg. bulb bar |
| 07/27/1999 | US5928535 Fuel tank filler assembly for engine driven welder |
| 07/22/1999 | WO1999036223A1 Method for preparing a welding fluid of constant physico-chemical characteristics with time, and a plant for its preparation |