| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 04/25/2001 | CN1292741A Device for welding cylindrical workpieces |
| 04/25/2001 | CN1292314A Arc welding machine with multi-power supply |
| 04/24/2001 | USRE37144 Above-ground fire-resistant storage tank system and fabrication method |
| 04/24/2001 | US6220500 Welding method for fluorine-passivated member for welding, fluorine-passivation method after being weld, and welded parts |
| 04/24/2001 | CA2243258C Arc welding apparatus with constant current and voltage characteristics |
| 04/19/2001 | DE19950150A1 Welding two metals having different melting points comprises applying the low melting metal to the other metal and welding together using an inert gas |
| 04/18/2001 | EP1092818A2 Method for increasing the stiffness of panel-like elements, panel-like element and its use |
| 04/18/2001 | EP1092497A1 Method for repairing spray-formed steel tooling |
| 04/18/2001 | EP1092496A2 Method for repairing steel spray-formed tooling with TIG welding process |
| 04/18/2001 | EP1091823A1 Stud welding device |
| 04/18/2001 | CN1291534A Pulse optical spectrum control method for protecting molten electrode drops by gas |
| 04/18/2001 | CN1064575C Arc welding apparatus |
| 04/17/2001 | US6217109 Body structure of motor vehicle |
| 04/12/2001 | DE19948957A1 Verfahren zur Erhöhung der Steifigkeit von flächenhaften Bauteilen sowie flächenhaftes Bauteil und dessen Verwendung A method for increasing the stiffness of sheet-like components, and Panel-like component and its use |
| 04/12/2001 | DE19944972A1 Conducting of heat during metal inert gas or active gas welding for metallic materials esp. low-high alloyed steels and heat treated fine grain structural steel with a 0.2 percent yield strength or larger 900 N per mm2 |
| 04/12/2001 | DE19943024A1 Welding wire insertion aid for a welding machine comprises a wire conveying roller and a tilting spring-loaded press roller between which the welding wire is conveyed |
| 04/12/2001 | DE10045031A1 Process for connecting ductile iron with steel comprises applying a metallic material between a ductile iron component and a steel component and welding a metallic boundary layer material between them |
| 04/12/2001 | DE10034781A1 Verfahren und Anordnung zum Verschweißen von Schienen für Schienenfahrzeuge Method and apparatus for welding railroad rails |
| 04/11/2001 | EP1090707A1 Method and plant for MIG welding of aluminum workpieces and aluminum alloys |
| 04/11/2001 | EP1089847A1 Method and arrangement for improving quality in fusion welding operations |
| 04/11/2001 | EP0714335B1 A machine for forming a metal strip into a tubular form having a stop-restart displacement mechanism |
| 04/11/2001 | CN1290600A Wear resistant composite alloy parts and its producing method |
| 04/11/2001 | CN1064290C CO2 gas protective semi-automatic vertical and/or vertical scarf welding technology |
| 04/10/2001 | US6215100 Short circuit welder |
| 04/10/2001 | US6215085 Stud welding device |
| 04/10/2001 | US6213375 Manually operated welding wire feeder |
| 04/10/2001 | US6213374 Feeder of wire solder |
| 04/06/2001 | CA2285510A1 Cylindrical helical seamed tube and method and apparatus therefore |
| 04/05/2001 | WO2000044523A8 Welding torch and corresponding welding facility and method for mutual adaptation |
| 04/05/2001 | US20010000105 Non-planar orbital welder |
| 04/05/2001 | CA2321629A1 Apparatus for plasma arc spot welding and method therefor |
| 04/05/2001 | CA2319851A1 Process and installation of mig welding of aluminum and its alloys |
| 04/04/2001 | EP1087854A1 Electrode tip dresser with vacuum |
| 04/04/2001 | CN2425733Y Multiple energy source ac/dc two-purpose electric welding machine |
| 04/04/2001 | CN1289660A Welder with inputs by engine power supply and public power supply |
| 04/03/2001 | US6211490 Nozzle for shielded arc welding gun |
| 04/03/2001 | US6211489 Method of magnetically impelled arc butt welding |
| 03/29/2001 | WO2001021338A1 Making closed end tubes for surgical instruments |
| 03/29/2001 | DE19945460A1 Verfahren zum Verbessern der Schweißbarkeit von Magnesium-Legierungen A method for improving the weldability of magnesium alloys |
| 03/29/2001 | CA2385585A1 Making closed end tubes for surgical instruments |
| 03/28/2001 | EP1086778A1 Process for improving weldability of magnesium-alloys |
| 03/28/2001 | EP1086774A2 Welding power supply |
| 03/28/2001 | EP1086773A2 Electric arc welder with a plurality of power supplies |
| 03/28/2001 | CN2424861Y Automatic submerged-arc welding machine for railway engine and vehicle core disk |
| 03/28/2001 | CN2424860Y Automatic submerged-arc welder head for train coupler and coupler knuckle |
| 03/28/2001 | CN2424859Y AC contactor contact weld protector |
| 03/28/2001 | CN1288796A AC power generating welding machine |
| 03/27/2001 | US6207929 Tandem electrode welder and method of welding with two electrodes |
| 03/27/2001 | US6207928 Consumable electrode type pulse arc welding method |
| 03/27/2001 | US6207927 Gas-shielded AC arc welding method and machine making use of consumable electrode |
| 03/27/2001 | US6207921 Welding equipment |
| 03/27/2001 | US6207920 Method and system for welding railroad rails |
| 03/23/2001 | CA2315131A1 Cv background for welding |
| 03/22/2001 | WO2001019562A1 Method and apparatus for circumferential application of materials to an interior surface of a curved pipe |
| 03/21/2001 | CN2423978Y Remote-control controller of electric welder |
| 03/21/2001 | CN1288404A Control device for a welding apparatus |
| 03/21/2001 | CN1063375C Plane reciprocating continuous welding torch |
| 03/20/2001 | US6204479 Thermistor protection for a wire feed motor |
| 03/20/2001 | US6204478 Method of pipe welding |
| 03/20/2001 | US6204477 Method to eliminate weld solidification cracking of 312 stainless steel overlay and to minimize the overlay's thermal expansion mismatch with carbon steel or low alloy steel substrate |
| 03/20/2001 | US6204476 Welding power supply for pulsed spray welding |
| 03/20/2001 | US6203631 Pipeline distribution network systems for transportation of liquefied natural gas |
| 03/20/2001 | US6203629 Process for cutting coked metal molded parts |
| 03/20/2001 | CA2186213C Enhanced contact area quick release mig gun tip |
| 03/20/2001 | CA2025099C Method and apparatus for automatic multi-run welding |
| 03/15/2001 | US20010000009 Planocentric gear for amperage indicator on welding machine |
| 03/14/2001 | CN2423054Y Pulse brush plating and welding inverter |
| 03/14/2001 | CN1287518A Powder material for powder plasma overlaying and powder plasma overlaying metal |
| 03/14/2001 | CN1063120C Method for detecting formation of necking during molten drop short-circuit transfer |
| 03/14/2001 | CN1063119C Automatic setting device for welding condition |
| 03/13/2001 | US6201216 Method and system for welding railroad rails |
| 03/13/2001 | US6201207 Torch angle setting apparatus |
| 03/13/2001 | US6200519 Welding torch with a contact socket and a feed device |
| 03/13/2001 | CA2193338C Switchable power supply with electronically controlled output curve and adaptive hot start |
| 03/08/2001 | WO2000041488A3 Welding machine |
| 03/07/2001 | EP1081248A2 ARC type evaporation source |
| 03/07/2001 | EP1080818A2 Method and apparatus for controlling the wire feeding of a TIG welding apparatus |
| 03/07/2001 | EP1080244A1 Anti-adherent coating and method for the production thereof |
| 03/07/2001 | CN1286732A Compact electrode for discharge surface treatment and method for mfg. discharge surface treatment compact electrode |
| 03/07/2001 | CN1062798C Consumable electrode type pulsed arc welder and controlling method for same |
| 03/06/2001 | US6198072 Planocentric gear for amperage indicator on welding machine |
| 03/06/2001 | US6198071 Process and system for recording welding situation and welding state |
| 03/06/2001 | US6198064 Terminal for electric wire welding and welding torch suitable for electric wire welding to the terminal |
| 03/06/2001 | US6195860 Welding electrode reshaping device |
| 03/06/2001 | CA2233172C Pulse arc welding apparatus |
| 03/01/2001 | WO2001014095A1 Stud welding gun |
| 03/01/2001 | WO2001014094A1 Apparatus and method for welding duplex stainless steel |
| 02/28/2001 | EP1077785A1 Apparatus and method for welding pipes together |
| 02/28/2001 | EP1077784A2 Method for controlling a welding apparatus and corresponding control device |
| 02/28/2001 | CN2421109Y Rectifier type internal combustion dc arc welder |
| 02/28/2001 | CN1285419A Electric arc type evaparation source |
| 02/27/2001 | US6194684 Output choke for D.C. welder and method of using same |
| 02/27/2001 | US6194681 Power supply apparatus for arc-utilizing machine |
| 02/27/2001 | US6193548 Connector for a power supply |
| 02/27/2001 | US6193145 Method for joining two parts of different kinds by heterogeneous butt welding, and uses thereof |
| 02/22/2001 | WO2001012376A1 Data display on a welding screen |
| 02/22/2001 | WO2001012374A1 Welding unit equipped with a communications interface and method for operating the welding unit |
| 02/22/2001 | WO2001012373A2 Method for applying a weld overlay to a wastage susceptible structure |
| 02/21/2001 | EP1077102A2 Electric welding apparatus and method |
| 02/21/2001 | EP1077101A2 Method and apparatus for determining seam tracking control of arc welding |