| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 06/28/1977 | US4032742 Stud welding gun and method of operation |
| 06/28/1977 | US4032243 Joint fabrication and method for forming the same |
| 06/28/1977 | US4032078 Reel for the storage of wire or the like |
| 06/21/1977 | US4031455 Excitation circuit for brushless synchronous welding generators |
| 06/21/1977 | US4031349 Stud welding control |
| 06/21/1977 | US4030849 Lined equipment and method of fabrication |
| 06/21/1977 | US4030525 Corrosion-resistant sheet steel weld |
| 06/14/1977 | US4029933 Method of vertical welding of aluminum and aluminum alloys |
| 06/14/1977 | US4029930 Welding torch for underwater welding |
| 06/07/1977 | US4027868 Welding jigs |
| 06/07/1977 | US4027803 Mechanism for assembling ship's hull |
| 05/31/1977 | US4027136 Sheet metal collet |
| 05/31/1977 | US4027135 Apparatus and method for submerged arc strip cladding of metallic work pieces |
| 05/24/1977 | US4025034 Flux backup arrangement for circumferential welding |
| 05/17/1977 | US4024374 Guide tube for an arc welding gun |
| 05/17/1977 | US4024369 Dual size wire arc spray gun |
| 05/17/1977 | US4023611 Method of welding pipes onto pressure conveying elements, especially pipe plates, pressure containers and collectors |
| 05/17/1977 | US4023394 Vehicle alignment apparatus |
| 05/10/1977 | US4022068 Adjustable welding head oscillator |
| 05/03/1977 | US4021840 Seam tracking welding system |
| 05/03/1977 | US4020971 Method of and arrangement for sealing the joints between the parts of a multi-part housing |
| 04/26/1977 | US4020320 Short-circuit arc welding with constant beads |
| 04/26/1977 | US4020314 Delivery of welding flux in a method of submerged arc strip cladding of metallic work pieces |
| 04/26/1977 | US4020312 Method of manufacturing thick, high-strength steel pipe for low temperature service |
| 04/19/1977 | USRE29190 Automatic dredge pump rebuilder |
| 04/19/1977 | US4019018 Process for narrow gap welding of aluminum alloy thick plates |
| 04/19/1977 | US4019016 Welding control systems |
| 04/19/1977 | US4019013 Apparatus for welding studs |
| 04/19/1977 | US4019012 Welding apparatus |
| 04/19/1977 | US4019011 Method of and apparatus for hard facing poppet valves |
| 04/12/1977 | US4017710 Welding assembly |
| 04/12/1977 | US4017709 Arc welding machine |
| 04/12/1977 | US4017707 Method of and means for spacing control of plasma arc torch |
| 04/05/1977 | US4016398 Fume extraction control for welding gun |
| 04/05/1977 | US4016394 Cleaning with a hydrazine compound |
| 04/05/1977 | US4016393 System for laying pipe |
| 04/05/1977 | US4015702 Method and apparatus for conveying metal plates |
| 04/05/1977 | US4015321 Welded pipe fitting and method of making same |
| 03/29/1977 | US4015101 Scanning device for welding torches |
| 03/29/1977 | US4015099 Method of joining a copper contact button to the aluminum headbar of an electrode plate |
| 03/29/1977 | US4015086 Hinged welding machine |
| 03/29/1977 | US4014777 Welding |
| 03/29/1977 | US4014495 Automatic welding apparatus |
| 03/22/1977 | US4013868 Method of multiple gas shielded arc welding |
| 03/22/1977 | US4013866 Plasma torches |
| 03/15/1977 | US4012621 Consumable electrode for initiating scarfing |
| 03/08/1977 | US4010886 Means and methods for making a spiral muffler |
| 03/08/1977 | US4010629 Rod splice |
| 03/01/1977 | US4010346 Self-propelled tractor for welding and cutting apparatus and the like |
| 02/22/1977 | US4009365 Pulsed-DC arc welding |
| 02/22/1977 | US4009360 Orbital welding apparatus |
| 02/15/1977 | US4008384 Welding apparatus |
| 01/25/1977 | US4005308 Weld fill height regulating system for arc welding apparatus |
| 01/25/1977 | US4005306 Flux breaker for submerged arc strip cladding of metallic work pieces |
| 01/25/1977 | US4005305 Shielding apparatus |
| 01/18/1977 | US4004125 Multihead welding gun |
| 01/11/1977 | US4002878 Gas tungsten arc welding electrode |
| 01/11/1977 | US4002876 Stud welding tool with retraction mechanism |
| 01/04/1977 | US4001543 Apparatus for a laser welding of a pipeline, particularly suitable for application on pipe-laying ships |
| 01/04/1977 | US4001497 Monitoring of welding |
| 01/04/1977 | US4000701 Manned welding and inspection vehicle |
| 12/28/1976 | US4000374 Welding system provided with wire feed and arc control |
| 12/28/1976 | US4000373 Strip electrode for overlay welding |
| 12/28/1976 | US3999697 Heli-arc wire feeder |
| 12/21/1976 | US3999035 Lay down arc welding method |
| 12/21/1976 | US3999034 Square wave welding system |
| 12/21/1976 | US3999033 Arc welding torch having a flexible wire guide assembly |
| 12/21/1976 | US3999031 Method for electron-beam welding of dissimilar metals |
| 12/21/1976 | US3999030 Welding method for dissimilar metals |
| 12/14/1976 | US3997757 Proportional control for guidance systems, and the like |
| 12/14/1976 | US3997756 Method for striking main arc between the electrode of plasmatron and workpiece, and contrivance embodying same |
| 11/30/1976 | US3995138 Pulse-DC arc welding |
| 11/30/1976 | US3995137 Alternating current arc welder |
| 11/30/1976 | US3994429 Purge unit for welding apparatus |
| 11/30/1976 | US3994058 Method of fixing the starting end portion of a line to be wound upon a reel |
| 11/23/1976 | US3993887 Stud and method of welding same to a boiler tube |
| 11/16/1976 | US3992603 Narrow gap welding torch |
| 11/16/1976 | US3992602 Resistance welding apparatus and method |
| 11/09/1976 | US3990620 Installation for the automatic feed of welding wires |
| 11/02/1976 | US3989922 Pulsed arc welding apparatus |
| 11/02/1976 | US3989921 Method and apparatus for non-consumable electrode type automatic arc welding |
| 11/02/1976 | US3989920 Underwater stud welding gun |
| 11/02/1976 | US3989918 Apparatus for use in repair of ingot molds |
| 10/26/1976 | US3988567 Method of detecting the state of fusion of the workpiece in welding |
| 10/26/1976 | US3988563 Welding method and means using foil electrode |
| 10/19/1976 | US3987274 Portable welding machine for welding terminals of tubes |
| 10/19/1976 | US3987272 Manufacture of forks for fork lift trucks |
| 10/19/1976 | US3986784 Weldment |
| 10/19/1976 | US3986735 Methods for welding two metal pieces of tubing with their ends to each other and to pipe-lines consisting of pieces of tubing thus welded to each other |
| 10/19/1976 | US3986245 Tube removal method |
| 10/12/1976 | US3985995 Method of making large structural one-piece parts of metal, particularly one-piece shafts |
| 10/05/1976 | US3984654 Arc-welding power source |
| 10/05/1976 | US3984653 Capacitor-discharge stud welding machine |
| 10/05/1976 | US3984652 Method of butt welding |
| 10/05/1976 | US3984042 Manufacture of forks for fork lift trucks |
| 09/28/1976 | US3983358 Scanning device for TIG-spot welding of commutator segment lugs to taps on rotor winding |
| 09/21/1976 | USRE28975 Flexible welding nozzle apparatus |
| 09/21/1976 | US3982091 Welding apparatus |
| 09/21/1976 | US3981426 Corrosion-resistant structural shape clad by rolling and welding and comprising a base material and a cladding material and method of producing such a structural shape |
| 09/14/1976 | US3980857 Control and monitor for rotating arc welder |