Patents for B23K 9 - Arc welding or cutting (32,679)
05/2002
05/01/2002CN2489477Y Welding fixture for sealing lead-acid battery electrode column
05/01/2002CN2489205Y Oxyhydrogen flame/electric arc welding-cutting machine
05/01/2002CN1346815A Ceramic backing material for single fillet carbon dioxide gas shield welding
04/2002
04/30/2002US6380515 Welding torch with inverse extraction
04/30/2002US6380514 Automatic welding system for cylinder block recycling
04/30/2002US6380505 Method and apparatus for welding tubular members
04/30/2002US6379821 Martensitic stainless steel welded pipe
04/30/2002US6379392 Welding method
04/25/2002WO2002032611A1 Copying welding equipment
04/25/2002WO2002032610A2 Method for the control and/or regulation of a welding process
04/25/2002WO2001089754A3 Arc welding generator with input voltage adapting regulator stage
04/25/2002US20020047000 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
04/25/2002US20020046999 Welding arrangement and method
04/25/2002US20020046988 Electric arc equipment
04/25/2002DE10050923A1 Electrical switching arrangement used in TIG welding has a control device connecting a shutdown signal depending on the parameters of the welding process according to the triggering signal to stop charging of the ignition capacitor
04/25/2002DE10049284A1 Converter used for a welding energy source in TIG welding comprises a current regulating unit connected to the power output of a welding energy source, a current sensor, a current control switch and a high frequency ignition device
04/25/2002DE10047492A1 Welding metallic work material with inductive preheating has conventional welding tools like arc welders or roller electrodes coupled with inductor(s) with inductor power of 15 to 30 kW
04/24/2002CN2487491Y Electrode holders
04/24/2002CN2487490Y Intelligent controller for vertically welding reinforcing bar
04/24/2002CN1083312C Stud welding device and stud welding machine having same
04/23/2002US6377869 Robot controller with abnormality monitoring function
04/23/2002US6376802 Method of controlling the AC pulsed arc welding and welding power supply apparatus therefor
04/23/2002US6376801 Gas turbine component refurbishment apparatus and repair method
04/23/2002US6376794 Percussive arc welding apparatus
04/23/2002US6375895 Carbon, chromium, molbdenum and iron; wear resistance; welding; noncracking; tool joints; stabilizers in oil and gas well drilling
04/23/2002US6374704 Steel-tooth bit with improved toughness
04/23/2002CA2245347C Robotic welding
04/18/2002WO2002030609A1 Arrangement for improving especially job and fire safety in gas-shielded arc welding
04/18/2002WO2002030608A1 External pipe welding apparatus
04/18/2002US20020043313 Utilizing and benefitting from the energy of pulses, oscillations and impacts on an exterior surface of a solid work product to rearrange the interior product structure, typically by accompanying plstic deformation;
04/17/2002EP1197289A1 Gas turbine component refurbishment apparatus and repair method
04/17/2002EP1197285A2 Electric circuit arrangement for generating arc starting pulses in arc welding
04/17/2002EP0961673B1 Integrated stud welding robotic tool changing system
04/17/2002CN2486260Y Plug-in type hand electric welding electrode holders
04/17/2002CN2486259Y Electric welder adapt for remote control
04/16/2002US6373019 Apparatus and methods for processing a submerged work surface
04/16/2002US6371359 Stainless steel pipe and joining method thereof
04/16/2002US6371211 Method of creating a weld in a wellbore
04/10/2002EP1195220A2 Automatic welding machine for welding circular sections
04/10/2002EP1194262A1 Welding process and welded joints
04/10/2002CN2485084Y Welding device
04/10/2002CN1344192A Consumable electrode type arc welding method and device therefor
04/10/2002CN1343545A Seat hardened engine valve and method for mfg. same
04/10/2002CN1082558C Nickel-based alloy and welding electrode made of nickel-based alloy
04/10/2002CN1082411C Method of welding
04/10/2002CA2322736A1 External pipe welding apparatus
04/09/2002US6369357 Implementation system for continuous welding, method, and products for the implementation of the system and/or method
04/09/2002US6368718 Welded joints
04/04/2002US20020038930 Welding clamp having a removal tab
04/04/2002US20020038796 Dual purpose welding clamp
04/04/2002US20020038795 Power supply apparatus
04/04/2002US20020038792 Pressing device
04/04/2002DE10063776C1 Weld seam forming device, for pipe or container weld seam, has forming gas chamber on opposite side to welding torch displaced magnetically in synchronism with latter
04/03/2002EP1193019A2 Method and apparatus for controlling AC pulse ARC welding and welding power source apparatus
04/03/2002EP1192020A1 Control for an arc welding system
04/02/2002US6365874 Power supply for electric arc welding
04/02/2002US6364250 Shell component for an aircraft fuselage and method of manufacturing the same
03/2002
03/28/2002WO2002024297A2 Apparatus and process for assembling exhaust processor components
03/28/2002US20020036186 Process for the MIG welding of aluminum and its alloys with a shielding gas of the Ar/He/O2 type
03/27/2002EP1190803A1 Stud welding device with contact protection
03/27/2002EP1190802A1 High-speed co 2 gas welding method
03/27/2002CN2483135Y Large power inverter for welding use
03/27/2002CN1081507C Metal-core weld wire for welding galvanized steels
03/26/2002US6362456 Method and system for controlling weld geometry features for improved fatigue performance of fabricated structures
03/21/2002US20020033385 Apparatus and process for assembling exhaust processor components
03/21/2002DE10044750A1 Process for electromagnetically applying hard material layers to conducting material surfaces made of steel or metals comprises maintaining the electrode distance and the energy
03/21/2002DE10043045A1 Welding bath securing device comprises a molded body containing water-free kaolin which is molded in a rigid plastic state and solidified by tempering below the sintering temperature
03/20/2002EP1188905A2 Seat faced engine valves and method of making the same
03/20/2002EP1188510A2 Welding arrangement and method
03/20/2002CN2482477Y Spot electric welding machine welding head jig
03/20/2002CN2482476Y Contravariant welder with protector
03/20/2002CN1340397A Welding electrode for build-up welding and its usage
03/19/2002US6359260 Method of welding panels together
03/19/2002US6359259 Engine driven welder with field current boost
03/19/2002US6359258 Method of determining cable impedance
03/19/2002US6357110 Stud electrical connection method
03/14/2002WO2002020209A1 Method and device for automatically feeding parts with through hole
03/14/2002WO2002020207A1 Pulsate feeding mechanism for welding wires
03/14/2002US20020030043 Method and apparatus for controlling AC pulse arc welding and welding power source apparatus
03/13/2002EP1186368A1 MIG welding method for Ni and Ni-alloys with Ar and CO2 based shielding gases
03/13/2002CN2481445Y Electrode holder with light source
03/13/2002CN2481444Y Self-location combined electrode
03/13/2002CN2481443Y Device for remote control of current for electric welder
03/13/2002CN1339994A Welding solid wire with high feeding performance
03/07/2002WO2002018087A1 Improved arc welding method and apparatus
03/07/2002WO2002018086A1 Consumable electrode arc welding method and welder
03/07/2002US20020028139 Stator vane assembly for a turbine and method for forming the assembly
03/07/2002DE10127297A1 Welding current source used for arc welding processes comprises a transformer, a capacitor, a power transistor, throttle, a welding current measuring device, and a welding voltage exit
03/07/2002DE10041276A1 Joining process comprises forming an electric arc between a metal electrode to be melted and a workpiece to be joined, and surrounding the arc with a plasma arc and a protective gas
03/06/2002EP1183746A1 Electrolytes for dual graphite energy storage system
03/06/2002EP1183128A1 Magazine and a stud advancing system for use with a manual stud welding tool
03/06/2002EP1183127A1 Lift-and-strike welding process with cleaning stage
03/06/2002EP1183126A1 Non-planar orbital welder
03/06/2002EP1183125A1 Method of detecting a welding voltage
03/06/2002CN2480095Y Voltage balance energy-saving arc-welding machine
03/06/2002CN2480094Y Cold welding machine
03/06/2002CN1338351A Iron electrodes for build-up welding
03/06/2002CN1080161C Contact tip for welding
03/06/2002CN1080160C Protective gas mixture for tungsten-inert gas-welding
03/05/2002US6353198 Welded stator winding splice joint for rotary electric machines and method of forming the same