| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 03/18/2009 | CN101386098A Micro-controller control method of soft-switch invert welding source of electric welding machine |
| 03/18/2009 | CN101386097A Inversion arc-welding power supply remote monitoring method |
| 03/18/2009 | CN100469541C Pipeline treatment construction of an industrial robot |
| 03/18/2009 | CN100469521C Method for producing magnetic medium of high-gradient magnetic separator |
| 03/18/2009 | CN100469514C Solid wire for gas shielded arc welding |
| 03/18/2009 | CN100469506C Method for controlling arc length at beginning as consumable electrode gas shielded welding |
| 03/18/2009 | CN100469505C Ultrasonic square wave direct current pulse arc-welding power supply device |
| 03/18/2009 | CN100469504C Double pulse control method for MIG welder |
| 03/18/2009 | CN100469503C An arc welding method and the special automatic welding machine |
| 03/12/2009 | WO2009031902A1 Shielding gas flow controller for a welding apparatus |
| 03/12/2009 | WO2009031704A1 Arc welding torch, wear detecting system for power supply of contact chip, wear detecting method for contact chip |
| 03/12/2009 | WO2009030724A1 A method and device for filtering the intense dazzling light generated by an electric welding apparatus |
| 03/12/2009 | WO2009010867A3 Method of rating the arc maintainability of an electric arc welding stick electrode |
| 03/12/2009 | US20090068495 Methods and Systems for Re-Metallizing Weld Area in Steel Electrical Conduit |
| 03/12/2009 | US20090065490 Use of an activiating flux for the tig welding of metal parts |
| 03/12/2009 | US20090065489 Arc welding |
| 03/12/2009 | US20090065486 Plasma treatment apparatus, and substrate heating mechanism to be used in the apparatus |
| 03/12/2009 | DE102007044570A1 Verfahren und Vorrichtung zum Längsnahtschweißen von Kranauslegerprofilen Method and apparatus for longitudinal seam welding of crane boom sections |
| 03/12/2009 | DE102007042876A1 Device for separating fastening elements such as welding bolts or pins arranged one behind the other, comprises slide propelled linearly in lifting motion into housing opening and adjustable between load position and ejection position |
| 03/12/2009 | DE102006049421B4 Vorrichtung zum Schweissen von Bandmaterial mit einer Absaugvorrichtung Device for welding of strip material with a suction device |
| 03/12/2009 | CA2698954A1 Shielding gas flow controller for a welding apparatus |
| 03/11/2009 | EP2033732A1 A method and device for filtering the intense dazzling light generated by an electric welding apparatus |
| 03/11/2009 | EP2033731A1 Use of an activating flux for TIG welding of metal parts |
| 03/11/2009 | EP2032300A1 Hydrodynamic torque converter and method for producing the same |
| 03/11/2009 | EP1786588A4 System and method providing automated welding notification |
| 03/11/2009 | CN201205632Y Integrative gas shield welding machine |
| 03/11/2009 | CN101380704A Solid wire for gas-shielded arc welding |
| 03/11/2009 | CN101380690A TIG welding gun and welding cooling method |
| 03/11/2009 | CN100467722C Method for assembly of rack section on a self-raising oil platform and the rack section |
| 03/11/2009 | CN100467653C Method for improving wearability of wearable high manganese steel using asymmetrical rolling |
| 03/11/2009 | CN100467198C Method for mixed gas bottoming welding to pipe |
| 03/11/2009 | CN100467195C Metal powder core filler metal for welding of high-tensile steel |
| 03/11/2009 | CN100467184C Arc stud welding gun and the welding method thereof |
| 03/11/2009 | CN100467183C Current control method for arch welding |
| 03/05/2009 | WO2009029360A1 Portable battery powered welder |
| 03/05/2009 | WO2009027784A2 Apparatus and method for tapered core drum package payoff |
| 03/05/2009 | WO2009027783A2 Wire guide insert and method for drum package payoff |
| 03/05/2009 | WO2009027682A1 Manufacture of welded components |
| 03/05/2009 | WO2009007845A3 Welding wire guide ring with sloped surface |
| 03/05/2009 | WO2008155176A3 Method for joining two metal parts by means of welding |
| 03/05/2009 | WO2008152220A3 Method of making a liner for a pool, tank or containment enclosure |
| 03/05/2009 | US20090057286 Welding device |
| 03/05/2009 | US20090057285 Portable battery powered welder |
| 03/05/2009 | US20090057277 Drag tip for a plasma cutting torch |
| 03/05/2009 | CA2697700A1 Portable battery powered welder |
| 03/05/2009 | CA2694463A1 Apparatus and method for tapered core drum package payoff |
| 03/05/2009 | CA2694456A1 Wire guide insert and method for drum package payoff |
| 03/04/2009 | EP2030717A1 Method related to joining dissimilar metals and assembly made from dissimilar metals |
| 03/04/2009 | EP2030716A1 Flow nozzle for a welding device with a three branches star, each branch having a gas channel |
| 03/04/2009 | EP1387733B1 A device in the feeding of welding wire |
| 03/04/2009 | CN201204263Y Junction device for electric welder |
| 03/04/2009 | CN201201116Y Power discharge pipeline of single-channel single-side welding apparatus |
| 03/04/2009 | CN201201115Y Back side copper plate fine setting device of one-side welding two-side moulding welding mechanism |
| 03/04/2009 | CN201201114Y Apparatus for automatically retracting recovery tube of single-channel single-side welding mechanism |
| 03/04/2009 | CN201201113Y Back side welding flux recovery device of one-side welding two-side moulding welding mechanism |
| 03/04/2009 | CN201201112Y Back side elevating gear of one-side welding two-side moulding welding mechanism |
| 03/04/2009 | CN201201111Y Electrode regulator of single channel single side welding mechanism |
| 03/04/2009 | CN201201110Y Electric welding tong with steady rotating heads |
| 03/04/2009 | CN201201109Y Multifunctional buried arc welding trolley |
| 03/04/2009 | CN201201108Y Steel plate induction system of single channel single side welding mechanism |
| 03/04/2009 | CN201201107Y MOSFET contravariant argon arc welding machine |
| 03/04/2009 | CN201201106Y Inversion direct current welding machine |
| 03/04/2009 | CN201201105Y Direct current welder using electromagentic furnace technology |
| 03/04/2009 | CN201201104Y Safe energy-saving apparatus of electric welder |
| 03/04/2009 | CN201201103Y Multi-characteristic electric arc generation apparatus |
| 03/04/2009 | CN201201102Y Wireless welding machine |
| 03/04/2009 | CN101378873A Flux-cored wire for different-material bonding and method of bonding different materials |
| 03/04/2009 | CN101376198A 5-shaft linkage numerical control bonding machine and welding process control method thereof |
| 03/04/2009 | CN101376193A Arc discharge type double-screw bolt welding gun |
| 03/04/2009 | CN101376192A Method for welding 22SiMn2TiB steel scraper bucket edge |
| 03/04/2009 | CN101376191A Pulse arc welding control method |
| 03/04/2009 | CN101376190A Overlaying welding method and apparatus for transitional powder electric arc deposited abrasion resistance material with additional forming carbides |
| 03/04/2009 | CN101376189A Method and apparatus related to joining dissimilar metal |
| 03/04/2009 | CN100464935C A gas-protected welding fixture of heterotype steel bars |
| 03/04/2009 | CN100464926C A plasma arc electric power apparatus |
| 03/04/2009 | CN100464925C An AC tungsten argon shielded arc welding electric arc micro-melting brazing method for aluminum, titanium and corresponding diverse metal alloys thereof |
| 03/04/2009 | CN100464924C A pulse burial arc welding technique of boiler membrane type tube panels and tube rows |
| 03/04/2009 | CN100464923C A welding technique of P92 steels |
| 03/04/2009 | CN100464922C The chopper output used for arc welder power sources |
| 03/04/2009 | CN100464921C A magnetic blow-out processing control method for the consumable-electrode type pulse arc melting |
| 03/04/2009 | CN100464920C An obstacle-free butt welding method for straight pipes with small diameter |
| 03/04/2009 | CN100464919C A 45 DEG all-position back-sealing butt welding method for pipes with small diameter |
| 03/04/2009 | CN100464918C A weld system for a hydraulic torque converter assembly and a welding method thereof |
| 03/03/2009 | US7498543 Method for joining or repairing metal surface parts |
| 03/03/2009 | US7498542 Control method and system for a trackless autonomous crawling all-position arc welding robot with wheels and permanent magnet caterpillar belts |
| 02/26/2009 | WO2009024406A1 Peening device for peening welds inside steel submarine pipes, process for producing steel submarine pipes using such a device, and submarine connection pipe |
| 02/26/2009 | WO2008144785A8 Welding system and method for transmitting information and for influencing parameters of a welding system |
| 02/26/2009 | WO2008132457A3 Positioning means for producing light signals to position a robot tool relative to a workpiece; method using such positioning means |
| 02/26/2009 | US20090050613 Methods, Apparatus And Products For Welding Rotating Work Pieces |
| 02/26/2009 | US20090050609 Welding torch with a fixing element for the gas nozzle, said element being capable of extension; process control method for a welding system equipped with said welding torch; gas nozzle for said welding torch; and contact tube for said welding torch |
| 02/26/2009 | US20090050606 Changeable welding head assembly |
| 02/25/2009 | EP2027962A1 Welding device and method for orbital welding of pipes |
| 02/25/2009 | EP2027584A2 Full function precision welding system |
| 02/25/2009 | EP2026928A2 Repositionable attachment device for welding gun conductor tubes |
| 02/25/2009 | CN201198078Y Electric welding machine having superior heat radiation performance and safety |
| 02/25/2009 | CN201198072Y Multifunctional electric welding gun |
| 02/25/2009 | CN201198071Y Cable-protective hand scald-preventing electric welding tongs |
| 02/25/2009 | CN201198070Y Arc stud welding machine |
| 02/25/2009 | CN201198069Y Vertical gas-electric automatic welding tractor |
| 02/25/2009 | CN201198068Y Welding gun clip swing apparatus capable of making gun clip stop in the middle position within swing scope |