Patents for B23K 9 - Arc welding or cutting (32,679)
10/1998
10/01/1998WO1998042471A1 Arc welder providing use-enhancing features
10/01/1998DE19712868C1 Tip repair method for gas turbine blades
09/1998
09/30/1998EP0866741A1 Method of welding material onto rails
09/29/1998US5814788 Method and apparatus for electronic control of the output of an engine driven, chopped DC welding power supply, driven by an AC generator
09/29/1998US5813074 Apparatus for cleaning the heads of welding robots
09/24/1998DE19712024A1 Verfahren zur Herstellung eines Gleisoberbauteils, isbesondere Herzstückbaugruppe Process for the preparation of a superstructure as part isbesondere core assembly
09/23/1998EP0865938A1 Method of producing light alloy wheels
09/23/1998EP0865859A1 Contact tip for welding
09/23/1998EP0865858A1 Automatic welding condition setting device
09/23/1998CN2291989Y Fusion welding machine for lead column of electric battery
09/22/1998US5812408 Control unit and control method for robot used for arc welding
09/22/1998US5811756 ARC welding method for aluminum members and welded product excellent in dimensional accuracy and external appearance
09/22/1998US5811674 Coolant safety system for welding apparatus
09/22/1998US5811055 Torch mounted gas scavaging system for manual and robotic welding and cutting torches
09/22/1998CA2039657C Method of forming weld bead of pure copper on ferroalloy base material
09/21/1998CA2232102A1 Retainer for welding wire spool
09/17/1998WO1998040799A1 Method of preparing motion program for industrial robots
09/16/1998EP0865230A1 Plasma system and method of operating same
09/16/1998EP0713537B1 A consumable electrode method for forming micro-alloyed products
09/15/1998US5808885 Weld controller system for coupling to a common database system on a communication network
09/15/1998US5808264 Stud welding device
09/15/1998US5807414 Clean air work station
09/15/1998US5806751 Filling defect cavity with alloy containing melting point depressant
09/15/1998CA2059812C Welding apparatus for electrical welding
09/11/1998WO1998039132A1 Holder for welding apparatus
09/11/1998WO1998039131A1 Welding robot system
09/11/1998WO1998039130A1 Method for arc welding with melting electrode
09/10/1998DE19729781C1 Welding shaped components comprising carburised heat resistant steel
09/09/1998EP0862964A1 Welding studs
09/09/1998EP0862963A1 Welding robot control system
09/09/1998CN2290440Y Burn-free electrode holders
09/09/1998CN1192390A Method for training electric welder to improve welding quality without real operation
09/08/1998US5804792 Gas tungsten arc welding flux
09/02/1998CN2289636Y Automatic arc strike and delivering fillet welding tongs
09/02/1998CN1192076A Bonding method for rotor of electric rotating machine, and welding apparatus for use therein, and rotor of electric rotating machine bonded with use thereof
09/01/1998US5801353 Superimposed sheet welding system including rotatable welding electrode and cooling rings
09/01/1998US5801351 Method for welding hinge pins onto elements intended to form hinged links of a wristlet
08/1998
08/27/1998WO1998036866A1 Welding apparatus with equipment using shielding gas for fire fighting
08/27/1998WO1998036865A1 Improved welding torch and method of use
08/27/1998DE19707130A1 Surface armouring for rollers used in rolling press for granular material
08/27/1998DE19647930A1 Current contact nozzle with controllable wear
08/27/1998CA2282340A1 Improved welding torch and method of use
08/26/1998EP0860548A1 Method and device for welding railway rails
08/26/1998EP0813460A4 Smaw with continuous hig frequency
08/26/1998EP0759829B1 Process for cleaning a device for welding under protective gas
08/26/1998EP0703845B1 A method for manufacturing a bulb bar and a bulb bar manufactured in accordance with the method
08/26/1998CN1191168A Method and system for welding railroad rails
08/25/1998US5798494 Welding apparatus
08/25/1998US5798493 Fixed welding apparatus and method
08/25/1998US5797235 Double skin composite structures
08/25/1998CA2140947C Covers for welding wire reels
08/20/1998DE19706421A1 Bolt welding gun
08/19/1998CN2288038Y Electricity-saving silicon thyristor electrode holders
08/19/1998CN2288037Y Multi-station combined ac-dc arc welder
08/18/1998US5796070 Welding gun spatter shield
08/18/1998US5796069 Arc and laser welding process for pipeline
08/18/1998CA2077080C Ac power source for welding
08/13/1998WO1998034751A1 Welding system and method of determining the welding parameters for a welding current source
08/13/1998WO1998034750A1 Method for producing a connecting assembly
08/13/1998DE19705072A1 Verfahren zur Herstellung eines Verbindungsknotens A method for producing a connecting node
08/12/1998EP0857534A1 MAG welding with a rotating arc
08/12/1998CN2287535Y Motor type generator and welding two purpose machine
08/12/1998CN2287534Y Silicon controlled rectifier high performance AC arc welding machine
08/12/1998CN1190046A Miniature electric welder with automatic upper and lower secondary-winding temperature limit protector
08/12/1998CN1190037A Residual stress eliminating method for welding seam in welded thin-wall pipe
08/11/1998US5793016 Remote foot control for TIG welding
08/11/1998US5793009 Apparatus for joining metal components using broad, thin filler nozzle
08/11/1998CA2128678C Apparatus for framing vehicle bodies
08/10/1998WO1998043773A1 Method of detecting root gap and arc welding method using the former
08/06/1998DE19704142A1 Cooling a welding unit supplied with protective gas stream
08/06/1998DE19703332A1 Adjustment system for welding torches
08/05/1998EP0856036A1 Process for protecting surfaces from weld spatter and metal sparks
08/04/1998US5789717 Semi-automatic TIG welding apparatus
07/1998
07/31/1998CA2221431A1 Arc welder with automatic sensing of remote current control device
07/30/1998DE19702911C1 Electronic source of arc-welding energy
07/29/1998EP0855240A1 Apparatus and method for one side welding of curved steel plates
07/29/1998CN2286658Y High-efficiency dc. arc welding machine
07/29/1998CN1188702A Double-electrode signle gas protective arc welding method and device
07/29/1998CN1188701A Plasma arc utilizing apparatus
07/28/1998US5786562 Method and device for producing three-dimensional bodies
07/28/1998US5785775 Welds of titanium aluminide alloy for repair of cracks
07/28/1998US5785235 Purge block
07/22/1998EP0854006A1 Electrical welding device, in particular with shielding gas
07/22/1998EP0706634B1 Welded plate heat exchanger and method for welding heat transfer plates to a plate heat exchanger
07/22/1998CN2286441Y Single phase, semi-automatic and gas shielded arc welding machine
07/22/1998CN2286440Y Control circuit for contravariant three purpose electric welding machine
07/22/1998CN1188031A Square groove welding technology for welding 8-12 mm middle-thick plate by continuous welding rod
07/22/1998CN1039207C Reversed polarity direct current power supplier for tungsten inert gas welding machine
07/21/1998US5783921 Welding robot with base stand having self contained welding power source
07/21/1998US5783799 To provide a welding current to a load from a bus current
07/21/1998US5782987 Metallic inert gas welder; flushing with compressed air to remove foreign particals
07/21/1998US5782401 Automated system and method for welding a first metal part to a second metal part
07/21/1998US5782394 Manual welding wire feeder
07/16/1998WO1998030353A1 Simplified command and control device for a coupling-welding machine for metal pipes in which the machine is inserted
07/16/1998DE19724434C1 Arc welding method for vertically oriented closed two-dimensional seam esp. pipes prepared for round seams
07/16/1998DE19700197A1 Applying studs to steel plates using stud welding gun
07/16/1998CA2248027A1 Simplified command and control device for a coupling-welding machine for metal pipes in which the machine is inserted
07/15/1998EP0852986A1 Mobile automated pipeline welding and quality control system
07/15/1998EP0852985A1 Arc welding method
07/15/1998EP0852984A1 Arc and laser welding process for pipeline