Patents for B23K 9 - Arc welding or cutting (32,679)
08/1976
08/31/1976US3978311 Voltage sensor circuit for an arc welding wire feed control
08/31/1976US3978310 Machine for repair of crankshafts by welding
08/24/1976US3976852 Welding torch
08/24/1976US3976382 Procedure and apparatus for determining the geometrical shape of a surface
08/24/1976US3976332 Powder feed device for flame spray guns
08/24/1976US3976036 Rotary piston engines
08/17/1976US3975616 Control circuit for automatic electric arc-welder
08/17/1976US3975615 Vertical position welding method and apparatus for practicing the method
08/17/1976US3975612 Welding method for dissimilar metals
08/10/1976US3974356 Multiple arc welding device and method
08/10/1976US3973712 Underwater welding
08/10/1976US3973711 Magnetic crawler vehicle for soldering apparatus
08/03/1976US3972466 High temperature welding backup strip
08/03/1976US3972432 Method for rotationally positioning a welded steel pipe in response to a seam section thereof and an apparatus for positioning the same
07/1976
07/20/1976US3970815 Stud welding tool
07/20/1976US3970814 Method for repairing ingot molds and apparatus therefor
07/20/1976US3970232 Welding machine
07/13/1976US3969032 Rod splice
07/06/1976US3968341 Welding torch with integral current control
07/06/1976US3968340 MIG starting system
07/06/1976US3967919 Compound turbine rotor
06/1976
06/29/1976US3967090 Process for consumable-electrode type arc cutting and apparatus therefor
06/29/1976US3965555 Method of forming joints for protectively lined or coated metal
06/22/1976US3965329 Electrical system for automatic arc welding
06/22/1976US3964665 Additional device for an automatic welding equipment for fully welded tube walls
06/15/1976US3963896 Rotary welding equipment with consumable electrode wire
06/15/1976US3963895 Device for effecting the guiding and oscillation movements of a welding head equipped with an electrode-carrier nozzle
06/15/1976US3963893 Adjustment device for metal disintegrators
06/08/1976US3961741 Heat transfer tubes with internal extended surface
06/01/1976US3961154 Direct current power supply for manual arc welding
05/1976
05/25/1976US3958743 Welding process for aluminum or chrome diffusion-coated steel
05/18/1976US3958098 Apparatus for automatic and vertical fillet welding
05/18/1976US3958096 Welding arc gap ionization device
05/11/1976US3956610 Method for welding iron steel and nonferrous alloy
05/04/1976US3955062 ARC saw cooling and dust collection system
04/1976
04/27/1976US3952749 Box lock surgical instrument
04/13/1976US3950759 Portable instrument for recording electrical load current and operating duration
04/13/1976US3950629 Electrical arc-welding torches
04/06/1976US3949188 Method and apparatus for operating an arc-transfer type torch
04/06/1976US3949185 Angle adjustment for metal disintegrators
04/06/1976US3948428 Device for cooling welds
03/1976
03/30/1976US3946933 Plant for applying and welding reinforcing elements onto a metal plate
03/23/1976US3946191 Welding apparatus
03/16/1976US3944781 Welding method
03/16/1976US3944780 Power supply source for arc welding
03/16/1976US3944779 Process for fusion-welding iron-nickle-cobalt alloy and copper or said alloy, copper and iron
03/16/1976US3944776 Method of submerged arc welding of high tension steel workpieces
03/16/1976US3944716 Elastomeric contamination seal
03/16/1976US3943587 Method of manufacturing threaded nuts and threaded nut articles produced by such method
03/02/1976US3941974 Arc welding process
03/02/1976US3941972 Shear in gap flash welder
02/1976
02/24/1976US3940653 Arc discharge device, in particular a plasma burner
02/24/1976US3940588 Bolt-welding gun with movable supporting legs
02/24/1976US3940587 Adjustable stop for a bolt welding gun
02/24/1976US3940586 Electric arc welding
02/24/1976US3940049 Process for welding explosive-clad metal sheets
02/24/1976US3940048 Device for backing butt-welds between tubes
02/17/1976US3939324 Apparatus for welding a joint between two closely spaced vertical members
02/10/1976US3937918 Beam carriage type automatic arc welding apparatus with welding head tracking mechanism
02/10/1976US3937916 Rotating arc welding method and apparatus
02/10/1976US3937915 Metal working method using electric arc and jet gas and the apparatus therefor
02/10/1976US3937914 Method and apparatus for manufacturing welded metal tubes of finite length
02/10/1976US3937054 Heavy duty pipe spreader
02/03/1976US3936657 Universal positioning welding torch
02/03/1976US3936655 Magnetic feeding of powder in submerged arc welding
02/03/1976US3936654 Process and apparatus for the performance of arc welding and overlaying, preferably submerged arc
02/03/1976US3936653 Process and device for cutting electrically conductive material workpieces
02/03/1976US3935985 Support for welding head carriage
01/1976
01/27/1976US3935420 Means for guiding the welding unit of an automatic welding apparatus along the joint line between workpieces to be welded together
01/27/1976US3935417 Welding of copper and iron
01/27/1976US3934788 Method for welding a top part and an associated bottom part
01/27/1976US3934786 Method and apparatus for splicing and welding stranded electrical cables
01/27/1976US3934324 Method and apparatus for forming automotive wheel rim blanks
01/20/1976US3934110 Welding system and method for arc starting and control
01/20/1976US3933533 Method and apparatus for initiating scarfing
01/13/1976US3932728 Electric arc fusion welding apparatus
01/13/1976US3932724 Stud welding apparatus
01/13/1976US3931787 Apparatus for applying solid particle material to a strip
01/06/1976US3931489 Multiarc seam welding apparatus for thin metal sheet