Patents for B23K 9 - Arc welding or cutting (32,679)
03/2000
03/29/2000EP0988914A2 Method and apparatus for arc welding
03/29/2000EP0988497A1 Improved multi-component refrigeration process for liquefaction of natural gas
03/29/2000EP0988130A1 Core welding wire with low nitrogen content
03/29/2000EP0988010A1 Active electrooptic filter device
03/23/2000WO2000015378A1 Taper lock contact tip and head assembly for welding device
03/23/2000DE19942670A1 Connecting process for lever arm and tubular shaft element, involves pressing connecting sector and engaging coupling lever shaft with it before welding
03/23/2000DE19851190C1 Current contact nozzle for metal electric arc welding comprises an inner element made of a copper alloy and surrounded with an insulation cover made of mica laminas bonded by silicone or a synthetic resin
03/22/2000EP0987516A1 Apparatus for determining the moment at which two electrically conducting bodies , or one electrically conducting body and an electrically conducting fluid- drop contact each other
03/22/2000EP0987079A2 Welding machine with improved regulating devices, and relevant method
03/22/2000CN2370018Y Surface treating device for metal part
03/22/2000CN2369814Y Protective gas buffer device for argon arc welding machine
03/22/2000CN2369813Y Conductive heating cutting arc extinguishing controller
03/22/2000CN2369812Y Power saving controller for electric welder
03/22/2000CN1050555C Welding power control apparatus for consumable-electrode type pulse arc welding and method therefor
03/22/2000CN1050554C Ignition method for electric arc-welding
03/21/2000US6040556 Engine driven arc welder
03/21/2000US6040555 Remote control for welders and method therefor
03/21/2000US6040554 Welding robot control system
03/21/2000US6040546 Method and apparatus for cutting a tendon used in a post-tension anchor system
03/21/2000US6040545 TIG welding method and welding apparatus
03/21/2000US6039240 Welding backpressure control apparatus
03/16/2000WO2000013873A1 Method of making a mold for patterned surface articles
03/16/2000WO2000013836A1 Collating strip and strip assembly for use with a manual welding tool
03/16/2000WO2000013835A1 Magazine and a stud advancing system for use with a manual stud welding tool
03/16/2000CA2340453A1 Method of making a mold for patterned surface articles
03/15/2000EP0985483A2 Structure body and hollow shape extruded frame member
03/15/2000EP0985482A1 Electric arc torch with protective gas and a UV radiation source
03/15/2000CN2369335Y A. C. welder
03/15/2000CN2368643Y Automatic electronic energy saver for arc welder
03/15/2000CN2368642Y Pulse arc welder
03/15/2000CN2368641Y Multifunctional electronical controlling arc welder
03/15/2000CN1247306A Welding states recording method and its welding states recording device
03/14/2000US6037566 Arc welding apparatus for constant current and voltage characteristics cost and weight of which being reduced
03/14/2000US6037557 Gas lens housing for arc-welding or flame cutters with non-melting electrodes
03/14/2000US6037554 Consumable electrode type pulsed arc welder and controlling method for the same
03/09/2000WO2000012254A1 Process for manufacturing pipes
03/09/2000WO2000012252A1 Apparatus and method for creating dry underwater welds
03/09/2000CA2281319A1 Light pinpointing device for a robot
03/09/2000CA2244037A1 Apparatus to help in robot teaching
03/08/2000EP0983818A2 Tig-welding torch with spherical joint for connection to power cable
03/08/2000EP0983817A2 Centralised coupling designed to connect torch power cable to a mig-welder generator
03/08/2000EP0983816A2 Arc welding method
03/08/2000EP0784526B1 Welding method for the connection of a component to a workpiece, and a device for carrying out the method
03/08/2000CN1246579A Deformed material welding rotor of steam turbine
03/08/2000CN1050081C Electric arc welding and arc plasma cutter
03/07/2000US6034351 Cleaning apparatus for welding torch nozzle and method of cleaning the same
03/07/2000US6034350 Method and apparatus for initiating a welding arc using a background circuit
03/07/2000US6034345 Apparatus for repairing high temperature process vessels
03/07/2000US6034344 Method for applying material to a face of a flow directing assembly for a gas turbine engine
03/07/2000US6034343 Hybrid welding apparatus
03/07/2000US6032851 Vertical pipe column assembly method
03/02/2000WO2000010766A1 Welding bolt comprising a circular welding bead and method for welding such a bolt on a support
03/02/2000WO2000010765A1 Turbine rotor modernization and repair method
03/02/2000WO2000010764A1 Strip bulk weld
03/02/2000DE19839719A1 System for electric arc welding based on welding current source and wire feed connected with it with welding torch and contact tube also earth connection to workpiece and contacting point
03/02/2000DE19838392A1 Schweißbolzen mit umlaufender Schweißwulst Welding studs with circumferential weld
03/01/2000CN2366216Y Hand arc welding tongs not too hot for hand
03/01/2000CN2366215Y Arc welding tongs
03/01/2000CN2366214Y Freely moveable type machine for automatically welding tube or plate having supporting rack
03/01/2000CN2366213Y Arc welding arrangement
03/01/2000CN2366212Y Machine for arc welding of copper parts
03/01/2000CN1049951C Electromagnetic valve
02/2000
02/29/2000US6031203 Method and apparatus for determining stability of arc welding
02/24/2000DE19837141A1 Bolt, especially threaded bolt for capacitor pulse discharge welding; has two disc-shaped burn-off surfaces of different diameters on lower end to be welded and ignition point
02/23/2000EP0980298A1 Improvements in and relating to welding wire feeders
02/23/2000CN2365005Y Welded electric cable magnetic absorption iron bonding device
02/23/2000CN2365004Y Electric welding magnetic absorption iron bonding device
02/23/2000CN2365003Y Gas shield welding machine
02/23/2000CN2365002Y Gas shield welding power source
02/23/2000CN2365001Y 气保焊送丝机 MIG wire feeder
02/23/2000CN2365000Y Arc welding power-supply no-load voltage controlling device
02/23/2000CN1245100A Consumable-electrode type pulse arc welding method
02/23/2000CN1245099A Method for controlling pulse output and consumable-electrode pulse arc welding device
02/22/2000US6028290 Arc welding apparatus
02/22/2000US6028283 Assembly and method for welding
02/22/2000US6027583 Material in powder or wire form on a nickel basis for a coating and processes and uses therefor
02/22/2000US6027382 Fastening arrangement
02/22/2000US6027007 Device for internally welding pipes, comprising proximity sensors of signal emission type
02/22/2000US6026682 Coolant safety system for automated welding apparatus
02/22/2000CA2194204C Two position adjustable nozzle
02/22/2000CA2192891C Plasma cutting or arc welding power supply with phase staggered secondary switchers
02/22/2000CA2177177C Dual bias weld for continuous coiled tubing
02/17/2000WO2000007764A1 Non-planar orbital welder
02/17/2000CA2657314A1 Non-planar orbital welder
02/16/2000EP0979705A2 Positioner
02/16/2000EP0979703A1 Method and system for determining the feedability of welding wire
02/16/2000CN2363823Y Electrode holders for hand arc welding
02/16/2000CN1244451A Method and device for measuring welding wire feeding property
02/16/2000CN1244450A Power device for arc using apparatus
02/15/2000US6025574 Trigger locking pin mechanism for mig gun
02/15/2000US6025573 Controller and method for pulse welding
02/15/2000US6025569 Magazine and a stud advancing system for use with a manual stud welding tool
02/15/2000US6024273 Method and system for determining weld bead quality
02/15/2000US6023942 Process for liquefaction of natural gas
02/10/2000WO2000006335A1 Arc welding torch
02/10/2000WO1999058285A3 Method for controlling a welding apparatus and corresponding control device
02/10/2000DE19835559A1 Partially strengthened shaped sheet metal components for motor vehicle bodies involves application of a layer of metal powder covering required areas followed by sintering of this layer onto the component
02/10/2000DE19834238A1 Metal component with at least one tubular or channel-shaped recess in it, with base body having open recess in one side surface and carrier element partly covering recess
02/10/2000CA2338515A1 Arc welding torch
02/09/2000EP0978344A2 Welding generator with active filter