Patents for B23K 9 - Arc welding or cutting (32,679) |
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12/01/1981 | US4303823 Welding device |
12/01/1981 | US4303821 Strip welding for butt joints |
12/01/1981 | CA1113551A1 Welding apparatus |
12/01/1981 | CA1113550A1 Stud receiver |
11/25/1981 | EP0040248A1 A method of stud welding and a stud to be welded |
11/25/1981 | EP0040234A1 Z-bar guide apparatus. |
11/25/1981 | EP0040222A1 Improved power source for metal transfer processes |
11/24/1981 | US4302657 Method for arc-welding the blades to the disc or counterdisc of rotary machine rotors |
11/24/1981 | US4302656 Controlling the operations of an electric arc welder |
11/24/1981 | US4302655 Method and device for adaptive control of the weld parameters in automatic arc welding processes |
11/24/1981 | US4302652 Method of welding the ends of submerged pipes by sleeve abutment |
11/17/1981 | US4301355 Gas metal arc welding system |
11/17/1981 | US4301350 Presetter |
11/17/1981 | US4300630 Finned metal tube and method for making the same |
11/12/1981 | WO1981003138A1 Method of manufacturing articles with surfacing coating and article made by this method |
11/10/1981 | US4300036 Welding apparatus with arc interval energy control |
11/10/1981 | US4300035 Welding apparatus with time interval control |
11/10/1981 | US4300034 Gas tungsten arc welding torch |
11/10/1981 | US4300033 Reduced operating noise nozzle for electric arc cutting device |
11/10/1981 | US4299108 Cage-roll unit for metal pipe forming |
11/04/1981 | EP0038980A1 Mechanical welding-device for the support of the weld pool |
11/03/1981 | US4298785 Method and device for automatically tracking systems to the center of weld gaps, weld joints and weld reinforcements |
11/03/1981 | US4298784 Arrangement for measuring the distance between a metallic workpiece and a processing tool |
11/03/1981 | US4298783 Deep narrow groove tungsten inert gas shielded welding process |
10/28/1981 | EP0038791A1 Process for welding an aluminium article to a stainless steel article |
10/27/1981 | US4297561 Semi-automatic welding gun |
10/27/1981 | US4297560 Process and apparatus for testing arc stud welding guns |
10/21/1981 | EP0038117A1 Methods for preparing anti-hypertensive agents |
10/21/1981 | EP0037918A2 Stud welding apparatus |
10/20/1981 | US4296308 Apparatus for welding impeller |
10/20/1981 | US4296306 Method of welding corrugated metallic materials |
10/20/1981 | US4296300 Method and device for welding protected metal parts |
10/20/1981 | US4295593 Welding seam back-up means |
10/20/1981 | US4295592 Apparatus for joining and cladding pipe sections |
10/15/1981 | WO1981002931A1 Protective shield device |
10/14/1981 | EP0037521A2 Process and apparatus for automatically tracking a weld seam |
10/13/1981 | US4295031 Arc welding apparatus with oscillating electrode |
10/13/1981 | US4294662 Process for the final assembly of a nuclear reactor vessel |
10/13/1981 | CA1110714A1 Wireless remote control for electric welder |
10/06/1981 | US4293758 Welding apparatus including means for depositing the weld metal along parallel paths |
10/06/1981 | US4293756 Electric welder |
10/01/1981 | WO1981002700A1 Shank for centering a tool into a bore of a work piece |
09/30/1981 | EP0036736A2 Control apparatus for reducing the waste of welding gas |
09/29/1981 | US4292497 Pulsed arc welding and surfacing apparatus |
09/29/1981 | US4292495 Welding torch weaving device |
09/29/1981 | US4292493 Method for decomposing ozone |
09/23/1981 | EP0036374A1 Method and device for welding with automatic following of the welding-joint |
09/22/1981 | US4291220 Method of welding utilizing both consumable and non-consumable electrodes |
09/22/1981 | US4291217 Process for underwater plasma cutting of workpieces |
09/22/1981 | US4290290 Process for extruding a composite section, a die for this purpose, and the resultant composite section |
09/16/1981 | EP0035492A1 Improved method of forming a socket weld. |
09/15/1981 | US4289950 Narrow gap welding apparatus |
09/09/1981 | EP0035423A2 System to detect and localize surface discontinuities with a light probe |
09/09/1981 | EP0035386A1 Narrow groove welding torch |
09/08/1981 | US4288682 Welding system with reversible drive motor control |
09/08/1981 | US4288681 Apparatus for fabricating isolated phase bus |
09/08/1981 | US4288109 Corrosion resistant assembly and method of making it |
09/08/1981 | US4288020 Tracking type welding apparatus |
09/08/1981 | CA1108742A1 Method and device for automatically tracking systems to the center of weld gaps, weld joints and weld reinforcements |
09/08/1981 | CA1108705A1 Welding torch with mechanical and pneumatic cleaning |
09/03/1981 | WO1981002430A1 Method and device for plasma-arc remelting the surface layer of a plane metallic workpiece with parallel edges |
09/03/1981 | WO1981002402A1 A contact device for strip-shaped welding electrodes |
09/02/1981 | EP0034967A1 Automatic and auto-adaptive fusion-welding process, and device for carrying out this process |
09/01/1981 | CA1108270A1 Adaptive path following motion control system |
09/01/1981 | CA1108244A1 Welding at pressures greater than atmospheric pressure |
08/26/1981 | EP0034577A2 Welding head for strip electrodes |
08/25/1981 | US4286138 Welding methods and apparatus including alternate weld metal depositions along opposite sides of a weld |
08/25/1981 | US4285635 Impeller in a centrifugal blower |
08/25/1981 | US4285460 Method and apparatus for double jointing pipe |
08/25/1981 | US4285459 High temperature braze repair of superalloys |
08/25/1981 | US4285458 Welding backup shoe apparatus |
08/18/1981 | US4284871 Automatic adjustment of the initial height of a flame cutter to a workpiece |
08/18/1981 | US4284870 Stud welding with fluid shield |
08/11/1981 | US4283618 Welding apparatus with stepping circuit current control |
08/11/1981 | US4283617 Automatic pipe welding system |
08/11/1981 | US4283616 Gas metal arc welding method for preparing misaligned tube holes |
08/11/1981 | US4282981 Whereby the thickness of the oxide layer is controlled to a small value; corrosion resistance |
08/11/1981 | US4282763 Compound oscillator |
08/05/1981 | EP0033312A1 Gas-shielded welding unit with automatic wire feed |
08/05/1981 | EP0033127A1 Center tracking welder unit with floating reference |
08/04/1981 | US4282569 Constant current welding power supply with an upslope starting current |
08/04/1981 | US4282419 Consumable electrode welding torch with polygonal contoured electrode guide |
08/04/1981 | CA1106453A1 Reduction of arc blow in multi-electrode welding |
07/29/1981 | EP0032611A1 Welder control system |
07/23/1981 | WO1981001974A1 Welding head adjusting device |
07/22/1981 | EP0032337A1 Process for welding metallic workpieces |
07/21/1981 | US4280137 Method and apparatus for automatically controlling arc welding |
07/21/1981 | US4280043 Welding torch with mechanical and pneumatic cleaning |
07/21/1981 | US4280042 Process and installation for automatic ignition of a plasma cutting torch |
07/21/1981 | US4280041 Apparatus for arc welding or plasma cutting |
07/21/1981 | US4280040 Method of arc welding porous sheet metal |
07/21/1981 | CA1105568A1 Method for manufacturing spiral-seam-welded steel pipe with the use of a plurality of electrodes in tandem |
07/21/1981 | CA1105554A1 Sealed electrochemical cell compartment connectors |
07/21/1981 | CA1105296A1 Pipe abutting machine for haying in waters of diverse depths |
07/14/1981 | US4278868 Methods and apparatus for heating metal parts with magnetically driven travelling electric arc |
07/14/1981 | US4278865 Gas shielded stud welding method |
07/14/1981 | US4278864 Welding gas shield control |
07/14/1981 | US4278312 Safety plug for arc welder connectors |
07/08/1981 | EP0031422A1 Apparatus for producing tubes of given length |
07/07/1981 | US4277108 Hard surfacing for oil well tools |