Patents for B23K 9 - Arc welding or cutting (32,679)
07/1998
07/15/1998CN2286086Y Electric arc welding machine
07/15/1998CN1187404A Thermal isolation electrode holders
07/14/1998US5780808 Arc sensing method in automated welding
07/14/1998US5780804 Apparatus for underwater welding angular joints
07/14/1998US5780802 Process for machining and butt-welding at least one edge of a sheet metal plate
07/14/1998US5779609 Integrated stud welding robotic tool changing system
07/14/1998CA2128957C Method and system for determining operating characteristics of arc welding wire
07/14/1998CA2121098C Device for spot welding of structures formed of pressed sheet metal elements
07/13/1998CA2194937A1 Mobile automated pipeline welding and quality control system
07/08/1998CN1039074C Power supply unit and welding equipment
07/07/1998US5777295 Arc welder with automatic sensing of remote current control device
07/02/1998WO1998028523A1 Method of fitting a valve seating ring and an apparatus therefor
07/02/1998DE19754857A1 Device for determining position of welding wire or electrode or robot
07/01/1998EP0850748A2 Arrangement with welding apparatus
07/01/1998EP0850717A2 Robotic welding torch
07/01/1998CN2285183Y Scalding-resistant electric welding holder
07/01/1998CN2285182Y Easy operation automatic clutch six-freedom welding trolley
07/01/1998CN2285181Y 电子焊机 Electronic welder
07/01/1998CN1186008A Method for enlarging range of regulating current of counter-reversing electric supply for arc welding
07/01/1998CN1038913C Method for jointing metal parts by arc welding
06/1998
06/30/1998US5773792 ARC welding machine and plasma cutting machine
06/30/1998US5773779 Method and system for welding railroad rails
06/30/1998US5772102 For an arc welding torch
06/30/1998CA2037489C Mig welding torch reconditioning apparatus
06/25/1998WO1998027475A1 Control method for communication between robot controller and peripheral equipment
06/25/1998WO1998026895A1 Wire-feeding device for a wire welding installation
06/24/1998EP0849026A1 Welding torch using protective gas
06/24/1998EP0849025A1 Arc welding method and nozzle using an inert gas
06/24/1998CN2284665Y Inverting arc-welding power supply
06/24/1998CN1185363A Energy-saving arc-welding transformer electroshock-proofing device capable of being as independent power supply
06/24/1998CN1038820C Positioning device for spot welding on structures formed of pressed metal sheet element
06/23/1998US5770834 For use by an operator
06/23/1998US5769308 Welding material for use in hard-facing and method of determining components thereof
06/23/1998US5768740 To remove debris from a surface of a work site
06/23/1998CA2222710A1 System with a welding apparatus
06/17/1998EP0847825A1 Device for gas flooding of two pipes being welded together
06/17/1998EP0847824A1 Weld gun receiver with anti-rebound device
06/17/1998EP0847823A1 Steel workpieces fixing method
06/17/1998CN2284116Y Multifunctional combined soldering turret
06/16/1998US5766765 Generally flat member having smooth surfaces and made of highly oriented graphite
06/12/1998CA2224542A1 Torch for shielded arc welding
06/11/1998WO1998025334A1 Electric arc generator with inverter and three-phase supply
06/10/1998EP0715924B1 Component supply device
06/10/1998EP0683862B1 Electromagnetic valve
06/10/1998CN2283542Y Device for continuous conduction and continuous delivering solder wire
06/10/1998CN2283541Y Protector for primary induction type arc electric welder
06/10/1998CN1184014A High-voltage pulse contact arc strike control method and control circuit for initial smelting electrode
06/10/1998CN1184013A Single-side welding apparatus and method for bent plate
06/10/1998CN1038660C High temperature resistance anti-oxidation electrode for air plasma cutter
06/09/1998US5762727 Repairing a steel alloy
06/09/1998US5761965 Industrial robot with articulated hollow robot arms
06/09/1998CA2142428C Titanium tube seal welding head enclosure
06/09/1998CA2120332C Arc hardfacing rod
06/03/1998CN2282955Y Electrode holders capable of quick cooling
06/03/1998CN1183331A Method for correcting welding path of welding torch
06/02/1998US5760373 Enhanced contact area quick release mig gun tip
06/02/1998US5760372 Arc welder
06/02/1998US5760361 Multiple single phase weld control systems from a polyphase power source
05/1998
05/28/1998WO1998022255A1 Wire for welding high-chromium steel
05/28/1998WO1998022247A1 Method and device for pulsed arc welding
05/28/1998CA2272953A1 Method and device for pulsed arc welding
05/27/1998EP0844039A1 Horizontal welding method and welding equipment
05/27/1998CN1183069A Gas lens housing for arc-welding or flame cutters with non-melting electrodes
05/27/1998CN1182923A Optical sensor and optical processing method for electric arc welding line automatic tracing
05/26/1998US5756967 Sensing ARC welding process characteristics for welding process control
05/26/1998US5756966 Method for joining metal components with improved arc voltage sensing and control
05/26/1998US5756963 Saturation sensing power source and related methods for a welding or cutting system
05/26/1998US5756958 Assembly for a powder filler material feed system
05/26/1998US5755299 Hardfacing with coated diamond particles
05/26/1998US5755298 Hardfacing with coated diamond particles
05/20/1998EP0842726A1 Arc welding path detecting method and arc welding path sensor
05/20/1998EP0842725A1 Control method in multi-layer sequence welding
05/20/1998EP0842346A1 Hardfacing with coated diamond particles
05/20/1998EP0786167A4 Controller for permanent magnet generator
05/20/1998EP0765204B1 An apparatus for cleaning the heads of welding robots
05/20/1998DE19720961C1 Method and apparatus for securing the bottom of a weld pool
05/20/1998DE19713300C1 Method for orbital welding under protective gas to produce compressive stresses in the joint
05/20/1998CN2281864Y Quick loading continuous electric welding rod welding torch with super clutch
05/20/1998CN2281863Y Lateral opened quick loading welding rod welding torch for continuous electric welding rod
05/20/1998CN2281862Y Three phase direct current arc welder
05/19/1998US5753888 Stabilization and firing circuit for a power source of a cutting or welding system and method of stabilizing and firing same
05/19/1998US5753883 Stud welding collet
05/13/1998EP0841118A1 Inspection and control of welds or other joints
05/13/1998EP0840662A1 Device for spraying an adhesion prevention agent into a welding torch
05/13/1998EP0840661A1 A universal portable boring machine for performing boring works and welding distribution in automatic and semi-automatic, outside and inside blind and passing holes
05/13/1998CN1181723A Smaw with continuous high frequency
05/12/1998US5751568 Power supply apparatus for arc-utilizing equipment
05/12/1998US5750957 Method for arc welding fault detection
05/12/1998US5750954 Water exclusion device for underwater welding
05/07/1998DE19746669A1 Stud welding head for T-studs
05/06/1998CN1180601A Medicine coated continuous weld electric welding rod and its soldering apparatus
05/05/1998US5747773 Arc welder power source
05/05/1998US5746590 Heating chamber with inner heating tubes and method of replacing the heating tubes
05/05/1998US5746380 Device for preventing welding wire in a welding wire pail from tangling
04/1998
04/30/1998WO1998017435A1 Improved welding method
04/29/1998EP0838298A2 Welding power supply
04/29/1998EP0837750A1 Wire bonding, severing, and ball forming
04/29/1998CN1180005A Circuit of electric welder no-load halting device
04/29/1998CN1180004A Gas protective welding mould repair machine with micropulsed rotating consumable electrode
04/29/1998CA2189080A1 Welding process for hardenable or hardened steels