| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 02/09/2000 | EP0978343A2 Process for quality control of welded zones |
| 02/09/2000 | EP0977647A1 Method and device for determining the voltage at welding power sources |
| 02/09/2000 | CN2362643Y Electricity conducting ring for continuous rolling pulse welding |
| 02/09/2000 | CN2362642Y Laser positioning welding gun for energy storage welder |
| 02/09/2000 | CN2362641Y Computer controlled argon arc-welder |
| 02/09/2000 | CN2362640Y Multi-welding gun alone/whole working gas-shielded welding machine |
| 02/09/2000 | CN2362639Y Novel trigger control circuit for silicon controlled dc welding machine |
| 02/09/2000 | CN2362638Y Three-phase moving-iron type silicon rectifying arc-welding machine |
| 02/08/2000 | US6023046 Method and apparatus for stopping welding process |
| 02/08/2000 | US6023045 Torch reamer and method for using same |
| 02/08/2000 | US6023044 Control method in multi-layer welding |
| 02/08/2000 | US6023043 Method of welding in the horizontal position and welding apparatus therefor |
| 02/08/2000 | US6023037 Electric ARC welder and plasma cutter |
| 02/08/2000 | CA2022782C Electrode for plasma arc torch |
| 02/03/2000 | WO2000005428A1 Low alloy build up material |
| 02/03/2000 | WO2000005027A1 Trolley for a machine capable of operating with precision on a workpiece, particularly for a pipeline welding machine |
| 02/03/2000 | WO2000005025A1 Mobile device for automatic pipe welding |
| 02/03/2000 | DE19833229A1 Joining of a corrugated metal hose with a pressure carrying mesh to a pipe end piece includes thickening of the annular end element before it is welded to the pipe end piece |
| 02/03/2000 | CA2338433A1 Mobile device for automatic pipe welding |
| 02/02/2000 | EP0977347A2 Controllable power system |
| 02/02/2000 | EP0976490A2 Process and system for recording welding situation and welding state |
| 02/02/2000 | CN2361424Y Arc-generating AC arc welding machine |
| 02/02/2000 | CN2361423Y Arc spray welding machine |
| 02/01/2000 | USRE36541 Device for spot welding of structures formed of pressed sheet metal elements |
| 02/01/2000 | US6020571 Welding method and apparatus therefor |
| 02/01/2000 | US6020568 Electro mechanical process and apparatus for metal deposition |
| 02/01/2000 | US6019303 Method and apparatus for packing wire in a storage drum |
| 01/26/2000 | EP0974678A1 Process and steel for the manufacturing of welded vessels, intended for use in the presence of hydrogen sulphide |
| 01/26/2000 | EP0974416A1 Arc welding nozzle with particular diameter and thickness |
| 01/26/2000 | CN2360204Y Electrode holders |
| 01/26/2000 | CN2360203Y Argon arc welding machine with high pressure pulse arc striking function |
| 01/26/2000 | CN1242720A Improved plasma transferred wire arc thermal spray apparatus and method |
| 01/26/2000 | CN1048666C Structure for joinint plate elements and method for joining same |
| 01/25/2000 | US6018136 System for supervising piping work |
| 01/25/2000 | US6016948 Method of forming pipe spigot ridge |
| 01/25/2000 | US6016665 Cascade refrigeration process for liquefaction of natural gas |
| 01/21/2000 | CA2278407A1 Method and steel product for obtaining a sheet-metal enclosure for use in the presence of hydrogen sulphide |
| 01/20/2000 | DE19926007A1 Housing containing automatic electric welding apparatus which is usable in rough condition with safe output voltage |
| 01/19/2000 | EP0972606A1 Consumable welding electrode and process of applying a wear resistant coating |
| 01/19/2000 | EP0972604A2 Consumable electrode type pulse arc welding method |
| 01/19/2000 | EP0971808A1 Input/output subsystem for a control system |
| 01/19/2000 | CN2359036Y Electric soldering set |
| 01/19/2000 | CN1241679A Valve for internal combustion engine |
| 01/19/2000 | CN1241466A Power converter with low loss switching |
| 01/19/2000 | CN1048438C Circuit of electric welder no-load halting device |
| 01/18/2000 | US6015964 Electric arc welder with controlled arc |
| 01/18/2000 | US6015962 Stud holder for a stud-welding device |
| 01/18/2000 | CA2278082A1 Pulverant filler for use in a consumable welding electrode and method of producing a wear-resistant layer |
| 01/12/2000 | EP0971097A1 Valve for an internal combustion engine |
| 01/12/2000 | EP0970775A2 Power convertor |
| 01/12/2000 | EP0888200A4 Portable welding unit |
| 01/12/2000 | EP0755758B1 Robot |
| 01/12/2000 | CN2357874Y Fase energy-saving controller for A. C. electric welding machine |
| 01/12/2000 | CN2357873Y Immersed pocket electric welder |
| 01/12/2000 | CN1240693A Full-load-rate electric welder |
| 01/12/2000 | CN1048207C High-chrome cast iron surfacing welding madterial and technique |
| 01/12/2000 | CN1048206C Gas Shielded welding mould repair machine with micropulsed rotating consumable eletrode, and its use method |
| 01/11/2000 | US6013896 Method of gas metal arc welding |
| 01/11/2000 | US6013890 Dual pass weld overlay method and apparatus |
| 01/11/2000 | CA2190438C Series resonant converter, and method and apparatus for control thereof |
| 01/06/2000 | WO2000000319A1 Stud welding device |
| 01/05/2000 | EP0969114A2 Nickel base superalloy preweld heat treatment |
| 01/05/2000 | EP0968071A1 Method and device for the production of a permanent way component in particular a cross frog structural component |
| 01/05/2000 | DE19923886A1 Method and apparatus for welding the connector ends of windings of electric machines |
| 01/05/2000 | DE19826491C1 Bolt welding apparatus for a usual, commercially available spot-welding machine |
| 01/05/2000 | CN2356801Y Double curve contact roller planetary welding wire feeder |
| 01/04/2000 | US6011241 Method of adjusting weld parameters to compensate for process tolerances |
| 01/04/2000 | US6011234 Device for welding together at least two parts and method of using the device |
| 12/30/1999 | DE19828986A1 Stud welder, especially for use with use with weld heads controlled by welding robots |
| 12/30/1999 | DE19828633A1 Liquid-cooled electric-arc welding or cutting torch, especially plasma or TIG torch |
| 12/30/1999 | DE19827768A1 Verfahren zur Herstellung eines Rohrgestelles für Möbel A method for producing a tubular frame for furniture |
| 12/30/1999 | DE19818997A1 Making opening rollers for open-end spinning machines using fillet wire |
| 12/29/1999 | EP0967043A2 Tubular frame manufacturing method for furniture purpose |
| 12/29/1999 | CN2355840Y Position changing machine for U shape bend pipe circular seam welding |
| 12/28/1999 | US6008470 Method and system for gas metal arc welding |
| 12/28/1999 | US6008466 Laser beam machining device with protective mask and safety switches |
| 12/28/1999 | US6007628 Clamping fixture for a rotor blade shroud |
| 12/23/1999 | WO1999065652A1 Wireless safety clutch |
| 12/23/1999 | WO1999065635A1 Gas-metal-arc welding contact tip |
| 12/23/1999 | DE19922654A1 Welded bolt |
| 12/23/1999 | CA2334118A1 Gas-metal-arc welding contact tip |
| 12/22/1999 | EP0965410A2 Welding shroud and method of manufacture |
| 12/22/1999 | EP0965409A2 Method of controlling pulse output and consumable electrode type pulse arc welding device |
| 12/22/1999 | EP0964765A1 Holder for welding apparatus |
| 12/22/1999 | CN2354701Y Electrode holder |
| 12/21/1999 | US6005221 Pressurized air cooled tungsten inert gas welding apparatus |
| 12/21/1999 | US6005220 Method and apparatus for electronically controlling the output of an engine driven generator welding power supply |
| 12/21/1999 | CA2184773C Method and apparatus for electronically controlling the output of a generator driven welding power supply |
| 12/21/1999 | CA2109807C Place and bundle method for the manufacture of brush seals |
| 12/16/1999 | DE19825720A1 Equipment carrier for robot attachment |
| 12/15/1999 | EP0964135A2 Steam turbine rotor welded together from different materials |
| 12/15/1999 | EP0963805A2 Method and apparatus for producing welding power |
| 12/15/1999 | CN2353479Y Automatic angle-welding welding-gun for inner hole of pipe and pipe plate,and gun head thereof |
| 12/15/1999 | CN1047337C Electronic pulse welder |
| 12/14/1999 | US6002104 Electric arc welder and controller therefor |
| 12/14/1999 | US6002103 Method and apparatus for receiving a universal input voltage in a welding power source |
| 12/14/1999 | US6000601 Welding method |
| 12/14/1999 | US6000598 Method for correcting the direction of weaving of a welding torch with respect to a welding centerline |
| 12/09/1999 | DE19922161A1 Anti-adhesion coating for e.g. soldering/welding tools and electric contacts |
| 12/08/1999 | EP0962276A1 TIG welding torch to improve the welding arcing |