Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23K - Soldering or unsoldering; Welding; Cladding or plating by soldering or welding; Cutting by applying heat locally, e.g. flame cutting; Working by laser beam › B23K 9 - Arc welding or cutting
Patents for B23K 9 - Arc welding or cutting (32,679)
12/1998
12/09/1998CN2299685Y Wire feeding device
12/09/1998CN2299684Y Power-saving life-increasing device for electric welder
12/08/1998US5847937 Method for contacting high-current connecting elements of an electrical component, and assembly made by such a method
12/08/1998US5846287 Consumable electrode method for forming micro-alloyed products
12/08/1998US5845862 Mechanism for braking the unwinding of a bundle of metallic wire housed in a drum
12/03/1998CA2207021A1 Single pass arc welding of considerably thick metals using insulated stationary consumable electrodes
12/02/1998CN2298903Y Electrode holders
12/02/1998CN2298902Y A. C. manually arc-welding thin plate welder controlled by microcomputer
12/02/1998CN2298901Y Multifunctional water cooling energy saving welder
12/01/1998US5845053 Method for teaching welding torch orientation
12/01/1998US5844201 Welding torch apparatus
12/01/1998US5844190 Orbital welding apparatus
12/01/1998US5843243 Wear-resistant copper-based alloy
11/1998
11/26/1998WO1998052713A1 Method and device for controlling pipe welding
11/25/1998EP0879726A2 Metallic container and method and device for its manufacture
11/25/1998EP0879665A1 Welding power supply
11/25/1998CN2298093Y Silicon rectifier arc-welding set
11/25/1998CN1200137A Process for protecting surfaces from weld spatter and metal sparks
11/25/1998CN1200060A Automatic welding condition setting device
11/24/1998US5841105 Automatic mig welding torch and method of assembly
11/24/1998US5841104 Method and system for multiple pass welding
11/24/1998US5841089 Small size tube welding apparatus
11/24/1998US5839643 Method of weld-recoulping front cover and pump shell of torque converter
11/20/1998CA2233726A1 Container made of metal, and a method and means for its production
11/19/1998DE19825871A1 Lighting for protective gas welding apparatus
11/19/1998DE19720875A1 Method and apparatus for controlling the welding current during TIG welding
11/18/1998EP0878263A1 Welding machine
11/18/1998CN2297274Y Improved electrode holders
11/18/1998CN2297273Y Jaw wiring type burning-proof electrode holders
11/18/1998CN1198973A Process for detecting initial welding point of welding robot
11/17/1998US5837968 Computer-controlled modular power supply for precision welding
11/17/1998US5837967 Burner holder for mechanized or automated arc welding or cutting torches, especially machine and/or robot torches
11/17/1998US5837966 Apparatus for weld head to pipe joint alignment for welding
11/17/1998US5837956 Submerged arc welding
11/17/1998US5836539 Inlet guide mechanism for wire feeder
11/17/1998CA2133199C Welding assembly for feeding powdered filler material into a torch
11/12/1998WO1998050193A1 Mig welder wire cleaning apparatus and method
11/12/1998WO1998050191A1 Improvements in and relating to welding wire feeders
11/12/1998WO1998050190A1 Method and apparatus for arc welding with melting electrode
11/12/1998DE19813419A1 Welding torch system
11/12/1998CA2330961A1 Mig welder wire cleaning apparatus and method
11/11/1998CN2296795Y Performance improved electric welder control panel
11/11/1998CN2296794Y Portable electric welder
11/10/1998US5834733 ARC welding machine
11/10/1998US5834732 Apparatus for controlling consumable electrode type pulsed arc welding power source
11/10/1998US5834727 For welding a weld stud on a workpiece
11/10/1998US5833126 Apparatus and method for resurfacing mill components
11/06/1998CA2204596A1 Alarm device for monitoring the pressure of an inert gas supply
11/05/1998WO1998048972A1 Method for welding metal parts and cage for use in said method
11/05/1998WO1998048971A1 Method and device for determining the voltage at welding power sources
11/05/1998DE19718042A1 Verfahren zum Verschweißen metallischer Bauteile und Käfig zur Verwendung bei dem Verfahren A method for welding metallic components and cage for use in the method
11/04/1998EP0875305A1 Metal strip welding machine, and related process
11/04/1998CN2296255Y Electric welding tongs
11/04/1998CN1197711A Amplitude-modulated series-resonant inverting arc welding power source
11/03/1998US5831241 Optimized welding technique for NiMoV rotors for high temperature applications
11/03/1998US5831240 Power supply apparatus
11/03/1998US5831237 Plasma arc power system and method of operating same
11/03/1998CA2053090C Improved gas shield for welding
10/1998
10/29/1998DE19717462A1 Verfahren und Schaltungsanordnung sowie Einrichtung zur Erfassung der Arbeitsspannung an Schweißstromquellen Method and circuit arrangement and means for sensing the operating voltage of welding power sources
10/28/1998EP0873810A1 Consumable electrode type pulsed arc welder and controlling method for the same
10/28/1998EP0873578A1 Fastening arrangement
10/28/1998EP0873216A1 Assembly for a powder filler material feed system
10/28/1998CN2295556Y Automatic welder for curve lines
10/28/1998CN1196999A Collocation of welder
10/28/1998CN1196990A Welf repair process and article repaired thereby
10/27/1998US5828032 Process for butt welding two metal blanks and a motor vehicle part obtained by said process
10/27/1998US5826336 Process for the production of series-produced valves used in heating, ventilating and air-conditioning systems
10/27/1998CA2175777C Method and system for controlling the output of an engine driven welder
10/22/1998WO1998046389A1 Strain relief assembly for welding cable
10/21/1998EP0872280A2 Wear-resistant surface coating for rollers of roller mills for pressure milling of granular material
10/21/1998CN2294808Y Gas-protective double-head automatic welding machine tool
10/21/1998CN2294807Y Non-phase-locked multi-pulsewidth modulation low medium frequency arcwelding inverter
10/21/1998CN2294806Y Electric welding machine with ac. capacitor
10/21/1998CN1040301C Arc welding machine and plasma cutting machine
10/20/1998US5825642 Power supply apparatus
10/20/1998US5824991 Pulsed arc welding method and apparatus
10/20/1998US5824990 Power selection and protection circuit for inverter power supply
10/20/1998US5824987 Welding stud feeder
10/20/1998US5824983 Weld assembly purge restrictor
10/15/1998WO1998045078A1 Weld quality measurement
10/14/1998EP0870567A1 Apparatus for narrow groove welding
10/14/1998CN2294130Y Electrode holder having quick cable connector
10/14/1998CN2294129Y Primary, secondary double adjustable split type ac electric welding machine
10/13/1998US5821493 Hybrid laser and arc process for welding workpieces
10/13/1998US5820938 Degreasing cast metallic substrate surface, electrostatically depositing dry flux powder, thermally depositing molten metal to activate flux to strip away oxides and bond metal to surface
10/13/1998US5820323 Weld-on fastener, welding equipment for the welding of the fastener, and arrangement for the fastening of an assembly part to the weldable fastener
10/07/1998EP0869512A1 Improvements to the ceramic nozzle flame outlets for welding plugs onto nuclear fuel rods, the manufacturing process for the rods and their corresponding plugs
10/07/1998EP0868959A1 Pulse arc welding apparatus
10/07/1998EP0868950A1 Sheet metal drawing tool and method for repairing sheet metal
10/07/1998EP0868248A1 Method for joining two parts of different kinds by heterogeneous butt welding, and uses thereof
10/07/1998EP0868247A1 Method for joining two parts by heterogeneous welding and use thereof
10/07/1998CN2293413Y Separating electric welding machine
10/07/1998CN1195387A Hardfacing with coated diamond particles
10/07/1998CN1040076C Arc-shape pipe and plate consumable electrode gas automatic welding method
10/06/1998USRE35914 Parts feeding device
10/06/1998US5818595 Work piece butt position detecting method for butt welding
10/06/1998US5816479 Method for joining driven pipe
10/06/1998US5816466 Wire feeding apparatus
10/01/1998WO1998042473A1 Method and device for the production of a permanent way component in particular a cross frog structural component
10/01/1998WO1998042472A1 Welding torch tip and welding torch
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