| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 02/24/1999 | CN1208678A Arc welding apparatus |
| 02/23/1999 | US5874709 Strain relief assembly for welding cable |
| 02/18/1999 | WO1999007904A1 Face-gear forging method |
| 02/18/1999 | WO1999007511A1 Arc welding monitoring device |
| 02/18/1999 | DE19732379A1 Method and apparatus for delivery of welding wire |
| 02/17/1999 | EP0896853A1 Process for manufacturing metal pipes |
| 02/17/1999 | EP0896850A1 Mounting system for an electrode in a welding torch |
| 02/17/1999 | CN2307652Y Automatic tracking angle weld bead device |
| 02/17/1999 | CN1042107C Method for installation of in-situ welding large-size disc type water-wheel generator rotor support |
| 02/10/1999 | EP0895852A1 Multilayered sheet, also known as sandwich sheet |
| 02/10/1999 | EP0895827A2 Stud mounting element used in a stud welding gun |
| 02/10/1999 | EP0895826A2 Welding or cutting device |
| 02/10/1999 | EP0865938A4 Method of producing light alloy wheels |
| 02/10/1999 | EP0840662B1 Device for spraying an adhesion prevention agent into a welding torch |
| 02/09/1999 | US5869798 Wear resistant materials having excellent wear resistance and method of manufacturing the material |
| 02/09/1999 | US5868303 Tack gripper for a tack welding gun and process for connecting a strip-form workpiece to a component |
| 02/03/1999 | CN2306101Y Starting lighting cutting (welding) torch |
| 02/03/1999 | CN1041902C Power source for welding |
| 02/02/1999 | US5866874 Robotic welding torch and method of assembly |
| 02/02/1999 | US5866873 Welding power control apparatus for consumable-electrode type pulse arc welding, and a method therefor |
| 02/02/1999 | US5865341 Ferrule applicator and method |
| 01/28/1999 | WO1999003633A1 Small size tube welding apparatus |
| 01/27/1999 | CN2305269Y Welding head regulator for automatic submerged-arc welding cart |
| 01/26/1999 | US5864117 ARC welder with automatic sensing of remote current control device |
| 01/26/1999 | US5864116 D.C. chopper with inductance control for welding |
| 01/26/1999 | US5864115 Consumable electrode type arc welding method and device |
| 01/26/1999 | US5864112 Welded plate heat exchanger and method for welding heat transfer plates to a plate heat exchanger |
| 01/26/1999 | US5864111 To control the purge gas pressure in an orbital pipe welding process |
| 01/26/1999 | US5864110 Power supply apparatus for plasma arc utilizing equipment |
| 01/25/1999 | CA2244290A1 Process for manufacturing metal tubing |
| 01/21/1999 | WO1999002298A1 Method for welding shaped bodies made of carburized heat-resistant steel |
| 01/21/1999 | DE19830209A1 Method, contact lubricant and substrate capable of suction for electric arc welding |
| 01/21/1999 | DE19730557A1 Programming tip |
| 01/20/1999 | EP0892076A1 Nickel based alloy and welding electrode made from a nickel based alloy |
| 01/19/1999 | US5861605 High nitrogen flux cored welding wire for Cr-Ni type stainless steel |
| 01/19/1999 | US5861604 Arc welder and method providing use-enhancing features |
| 01/18/1999 | CA2243207A1 Nickel-based alloy and welding electrode made of a nickel-based alloy |
| 01/14/1999 | WO1999001248A1 Insulated stationary consumable electrode welds thick metals |
| 01/13/1999 | EP0890852A2 A shielded welding device for optical fibers |
| 01/13/1999 | EP0890407A1 Method and apparatus for high frequency pulse ARC welding and products obtained |
| 01/13/1999 | CN2303702Y Alternative-current liquid-immersed electric welder capable of balancing three-phase power-supply current |
| 01/13/1999 | CN1204563A Electrode holders for carbon material |
| 01/13/1999 | CN1204562A Method for detecting formation of necking down during molten drop short-circuit transfer |
| 01/13/1999 | CN1204561A Drifting arc cutting method and device |
| 01/13/1999 | CN1041642C 13Cr5Ni series stainless steel with high toughness and application of the same |
| 01/07/1999 | EP0888200A1 Portable welding unit |
| 01/06/1999 | CN2303383Y Argon arc welding device for pole of lead accumulator |
| 01/06/1999 | CN2302867Y Electric welding electrode holder |
| 01/06/1999 | CN2302866Y Multi-function electric welding forceps |
| 01/06/1999 | CN2302865Y Air supported down direction welding jetting nozzle |
| 01/06/1999 | CN1203976A Apparatus for welding balancer in drum type washing machine |
| 01/06/1999 | CN1203843A Plasma system and method of operating same |
| 01/06/1999 | CN1041547C Fastening element tool for welding same and equipment for fixing assembling element |
| 01/05/1999 | US5857141 Metal-core weld wire for welding galvanized steels |
| 01/05/1999 | US5855699 Corrosion, heat resistant alloy |
| 01/05/1999 | CA2164122C A machine for forming a metal strip into a tubular form having a stop-restart displacement mechanism |
| 12/30/1998 | WO1998059207A1 Improved cascade refrigeration process for liquefaction of natural gas |
| 12/30/1998 | WO1998059206A1 Improved multi-component refrigeration process for liquefaction of natural gas |
| 12/30/1998 | WO1998059205A2 Improved process for liquefaction of natural gas |
| 12/30/1998 | WO1998059195A2 Systems for vehicular, land-based distribution of liquefied natural gas |
| 12/30/1998 | WO1998059164A2 Lng fuel storage and delivery systems for natural gas powered vehicles |
| 12/30/1998 | WO1998059085A1 Improved system for processing, storing, and transporting liquefied natural gas |
| 12/30/1998 | WO1998059084A1 Pipeline distribution network systems for transportation of liquefied natural gas |
| 12/30/1998 | WO1998058758A1 Ultra-high strength cryogenic weldments |
| 12/30/1998 | EP0887719A1 Control method for communication between robot controller and peripheral equipment |
| 12/30/1998 | EP0887140A1 Method and fastening means for forming a welded joint between a fastening means and a structure |
| 12/30/1998 | EP0887139A1 Automatic tracking process of the joint bevel for the butt welding of pipes and equipment for the embodiment of the process |
| 12/30/1998 | CN2302589Y Three-phase multi-function moving-iron dividing-magnet sillicon rectifier welder |
| 12/30/1998 | CN2302085Y Automatic arc stud welding machine controlled by computer |
| 12/30/1998 | CN1203544A Contact tip for welding |
| 12/30/1998 | CA2293774A1 Lng fuel storage and delivery systems for natural gas powered vehicles |
| 12/30/1998 | CA2292736A1 Pipeline distribution network systems for transportation of liquefied natural gas |
| 12/30/1998 | CA2292709A1 Systems for vehicular, land-based distribution of liquefied natural gas |
| 12/29/1998 | US5854463 Flux cored wire for stainless steel |
| 12/23/1998 | WO1998057606A1 Active electrooptic filter device |
| 12/23/1998 | EP0885163A1 Conveyor device |
| 12/23/1998 | CN2301780Y Energy-saving ring core welder |
| 12/23/1998 | CN2301288Y Water-cooled welding machine |
| 12/23/1998 | CN1202858A Method of producing light alloy wheels |
| 12/23/1998 | CN1041290C Welding conductive nozzle of carbon ceramic composite materials |
| 12/22/1998 | US5852278 Arc welding and arc plasma cutting machines having improved DC high-voltage generator |
| 12/22/1998 | US5852272 Wear-resistant overlay forming method and wear-resistant composite members |
| 12/22/1998 | US5852271 Water exclusion device for underwater thermal processing |
| 12/17/1998 | WO1998056532A1 Core welding wire with low nitrogen content |
| 12/17/1998 | DE19734191C1 Bolt holder for a bolt welding head |
| 12/16/1998 | EP0884127A1 Method and apparatus for producing welding power |
| 12/16/1998 | EP0884126A1 Method for arc welding a closed two dimensional seam in a vertical plane, in particular for welding pipes adapted to be cleaned using a pig |
| 12/16/1998 | CN2300476Y Smoke suction type gas shielded welding gun |
| 12/16/1998 | CN2300475Y Carbon dioxide gas shielded welding gun |
| 12/16/1998 | CN2300474Y Electric welding holder |
| 12/16/1998 | CN2300473Y 氩弧焊接机 TIG welding machine |
| 12/16/1998 | CN2300472Y Digital fully automatic submerged arc welding rectifier remote controller |
| 12/16/1998 | CN1201726A Consumable electrode type pulsed arc welder and controlling method for same |
| 12/10/1998 | DE19737934C1 Current nozzle |
| 12/10/1998 | DE19725437A1 Safety device for a weld bath during electric arc welding |
| 12/10/1998 | DE19723128A1 Conical boring process for hemispherical heavy metal workpiece |
| 12/09/1998 | EP0882543A2 Welding member and welding method |
| 12/09/1998 | EP0882542A1 Device for mounting a door in an opening in a metal wall |
| 12/09/1998 | EP0754104B1 Improvements in and relating to double skin composite structures |
| 12/09/1998 | EP0717672B1 Electric soldering device using a welding filler supplied in a wet environment |