Patents for B23K 9 - Arc welding or cutting (32,679)
08/2003
08/21/2003US20030155816 Arc welding electrical shock protection circuit
08/21/2003US20030155339 Screw air compressor for a welder
08/21/2003US20030155338 Controlled output for welding
08/21/2003US20030155337 Method and apparatus for welding and control thereof
08/21/2003US20030154587 Method and apparatus for feeding part
08/21/2003DE19934367C2 Verfahren zum Kühlen eines Schweiß- oder Schneidbrenners sowie Kühlsystem hierfür A method for cooling a welding or cutting torch and cooling system therefor
08/21/2003DE10206002C1 Welding wire coil reel has coil reel frame wih spaced frame rings joined via hoop elements fitted to carrier secured to coil reel core
08/20/2003EP1337033A2 Arc-machining power supply with switching loss reducing element
08/20/2003EP1336328A1 Plasma powder welding torch
08/20/2003EP1335809A1 Automatic weld head alignment and guidance system and method
08/20/2003EP1335808A1 Detecting element for a welding device
08/20/2003EP0812646B1 Method of manufacturing large diameter welded steel pipe having high strength and toughness
08/20/2003CN1118360C Method for producing mold for patterned surface articles, mold, patterned surface products
08/20/2003CN1118350C Input/output subsystem for controlling system
08/20/2003CN1118349C Surface treatment method utilizing discharge in liquid
08/19/2003US6608285 Hybrid arc/laser welding with earth contactor position control
08/19/2003US6608284 Weld wire with enhanced slag removal
08/19/2003US6608281 Laser beam machining head and laser beam machining apparatus having same
08/14/2003WO2003066267A1 Arc welding cable
08/14/2003WO2003066266A1 Testing device for welding current sources
08/14/2003WO2003022501A3 Wire feeding apparatus
08/13/2003EP1333955A1 Device and method for machining workpieces
08/13/2003EP1039982B1 Welding torch
08/13/2003CN2565577Y Anti oxidation sleeve
08/12/2003US6605800 Regulating device for a welding apparatus
08/07/2003WO2003064818A2 Geothermal steam turbine
08/07/2003WO2003064103A1 Steel wire for carbon dioxide shielded arc welding and welding process using the same
08/07/2003WO2003064101A1 Consumable guide tube
08/07/2003WO2003064098A2 Ternary gas mixture which can be used in the braze welding of galvanised parts
08/07/2003WO2003064097A1 Safety isolation of arc welding equipment
08/07/2003WO2003064096A2 Method of welding motor vehicle elements, in particular tailored blanks
08/07/2003US20030146193 Welding device with a field former
08/07/2003US20030146192 Long life welding electrode and its fixing structure, welding head, and welding method
08/06/2003EP1332825A1 Projection bolt welding device
08/06/2003EP1332015A1 Arrangement for improving especially job and fire safety in gas-shielded arc welding
08/06/2003EP1331909A2 A welding operation liquid crystal protection mask
08/06/2003EP1017530B1 Method and apparatus for arc welding with melting electrode
08/06/2003CN2564298Y Composite jet nozzle for consumable electrode gas protection welding torch
08/06/2003CN2564297Y Braking wire fusing machine
08/05/2003US6603213 Power reduction circuit for engine acceleration
08/05/2003US6603097 Method and apparatus for controlling engine speed of a welding generator
08/05/2003US6603096 Welding apparatus and method thereof for hermetic compressor
08/05/2003US6603090 Pulverulent filler and method for applying a wear-resistant layer
08/05/2003US6602104 Simplified miniature xenon arc lamp
07/2003
07/31/2003WO2003062622A1 Method for providing a component of a large machine with a protective coating
07/31/2003US20030141347 Method for positioning a welding bolt and bolt welding head
07/31/2003US20030141346 Method for welding a bolt onto a workpiece and a bolt-welding device
07/30/2003EP1331362A2 Geothermal steam turbine
07/30/2003EP1331309A2 Method for welding rails for railway carriages
07/30/2003EP1331057A1 Wire drive assembly for consumable electrode welding apparatus
07/30/2003EP1013370B1 Method of detecting root gap and arc welding method using the former
07/30/2003CN2562915Y Steel pipe welder
07/30/2003CN2562914Y Reverse change arc welder using polypropylene capacitor as rectification input filter capacitor
07/30/2003CN1433349A Automatic welding device and wldking skill training device
07/29/2003US6600135 Method and apparatus for controlling AC pulse arc welding and welding power source apparatus
07/29/2003US6600134 Power supply for electric arc welding
07/29/2003US6600133 Welding system
07/24/2003US20030136773 Storage compartment for storing welding-type accessories
07/24/2003US20030136768 Method and apparatus for composite YAG laser/arc welding
07/24/2003US20030136765 Process for making heterogeneous joints under shielding gas
07/23/2003EP1329278A2 Drawn arc welding method and drawn-arc-weld ferrule
07/23/2003EP1328374A1 Method and apparatus for welding pipes together
07/23/2003EP1328370A2 Method for the control and/or regulation of a welding process
07/23/2003EP1098729B1 Method for controlling a welding apparatus and corresponding control device
07/23/2003CN2561548Y Steel template assembled welding apparatus
07/23/2003CN2561547Y Three-dimensional net welder of cross-linked net
07/23/2003CN1431079A Technique for eliminating magnetic blow of electric arc of austenitic electrode by using permanent magnet
07/23/2003CN1431077A Welding clamp with welding rod of bipolar electrode in arc welding
07/23/2003CN1115556C Method and appts. for following and inspecting edge or border
07/22/2003US6596972 Welding accessory arrangement
07/22/2003US6596971 Process for the MIG welding of nickel and nickel alloys with a shielding gas based on argon and CO2
07/22/2003US6596970 Method of determining cable impedance
07/22/2003US6596969 Method for guiding arc by laser, and arc guiding welding and device by the method
07/22/2003US6596957 Method and apparatus and prefabricated replacement tube for localized waterwall repair
07/17/2003WO2003057932A1 Heat-resistant and high-temperature-oxidation-resistant alloy, in addition to method for the production of said alloy
07/17/2003US20030132272 Welding underwater in a chamber with a flux-type backing
07/17/2003US20030132211 Method for regulating and/or controlling a welding current source with a resonance circuit
07/17/2003US20030132203 Drawn arc welding method and drawn-arc-weld ferrule
07/17/2003US20030132202 Stud welding head
07/16/2003EP1327494A1 Copying welding equipment
07/16/2003CN2560469Y Conductive for gas shielded welding
07/16/2003CN1429681A Non-heat generating welding tongs
07/16/2003CN1114808C Fuel storage container, fuel storage and transporting systems and method fuel storage and transporting system
07/15/2003US6593546 Arc welding generator with input voltage adapting regulator stage
07/15/2003US6591790 Fire-resistant structural body supporting metal bar for protection of water pipe
07/15/2003CA2290861C A method and apparatus for packing wire in a storage drum
07/10/2003WO2003055634A1 Method for making a blade ring
07/10/2003WO2003055633A1 Welding current nozzle material
07/10/2003WO2003055632A1 Device for electric arc welding (variants) and method for producing the magnetic core of said device
07/10/2003US20030127493 Purge gas welding ring
07/10/2003US20030127444 Contact tip assembly for mig gun
07/10/2003US20030127443 Handle for welding gun and system using same
07/10/2003US20030127432 Welding method and welding system for projection bolt
07/10/2003US20030127431 Apparatus and method for forming a body
07/10/2003US20030126753 Internal weld profile gauge
07/10/2003DE10221387C1 Stud welding process with rotary arc uses offset coil to generate uniform magnetic field in welding location
07/09/2003EP1326064A1 Method and measuring device for monitoring the quallity of a test object
07/09/2003EP1324853A2 Apparatus and process for assembling exhaust processor components
07/09/2003CN1113724C Welding method for preventing weld crack on refractory pearlitic steel
07/09/2003CN1113723C Fuzzy control method for cooperating type CO2 welding circuit-shorting transition and welding machine thereof