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Class Information
Number: 219/121.11
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc
Description: Subject matter where a working arc of charged particles is caused to impinge on a workpiece.










Sub-classes under this class:

Class Number Class Name Patents
219/129 Brazzing or soldering 29
219/122 Control of arc direction 16
219/138 Electrode holder (e.g., spring biased tong) 51
219/130.1 Including arc-power supplies 238
219/130.01 Including circuits for monitoring arc parameters 200
219/127 Spot arc bonding (e.g., arc riveting) 46
219/121.12 Using electron beam 116
219/121.6 Using laser 904
219/121.36 Using plasma 472
219/136 Welding 422
219/124.1 With automatic positioning of arc 47
219/137.2 With consumable electrode device 140
219/124.02 With gap control 58
219/124.01 With ignition by retraction 12
219/125.1 With predetermined welding operation 266
219/128 With working of bonding metal (e.g., by peening) 16


Patents under this class:
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Patent Number Title Of Patent Date Issued
8704132 Welding wire storage device Apr. 22, 2014
8681923 Method of manufacturing core shroud for nuclear power plant and structure of nuclear power plant Mar. 25, 2014
8613816 Forming of ferromagnetic metallic glass by rapid capacitor discharge Dec. 24, 2013
8613813 Forming of metallic glass by rapid capacitor discharge Dec. 24, 2013
8613814 Forming of metallic glass by rapid capacitor discharge forging Dec. 24, 2013
8613815 Sheet forming of metallic glass by rapid capacitor discharge Dec. 24, 2013
8550328 Introduction of nanoparticles Oct. 8, 2013
8481883 Welding method and apparatus Jul. 9, 2013
8440142 Dual-mode plasma reactor May. 14, 2013
8362388 Multi-gas mixer and device for supplying gas mixture to plasma torch Jan. 29, 2013
8362390 Method for welding motor vehicle seat members Jan. 29, 2013
8338748 Tandem welding carriage with changeable wheel configuration and modular construction Dec. 25, 2012
8334475 Process for energy beam solid-state metallurgical bonding of wires having two or more flat surfaces Dec. 18, 2012
8309878 Universal input power supply utilizing parallel power modules Nov. 13, 2012
8304684 Plasma arc torch rotational assembly Nov. 6, 2012
8129656 Method for producing thermal energy Mar. 6, 2012
7996276 System and method for managing welding consumables Aug. 9, 2011
7880119 One sided electrode for manufacturing processes especially for joining Feb. 1, 2011
7761336 System and method for managing welding consumables Jul. 20, 2010
7754994 Cleaning device using atmospheric gas discharge plasma Jul. 13, 2010
7737382 Device for processing welding wire Jun. 15, 2010
7723703 Multidirectional electromagnetic wave irradiation system of workpiece and laser material processing system employing it May. 25, 2010
7547861 Vortex generator for plasma treatment Jun. 16, 2009
7527824 Methods for producing coated nanoparticles from microparticles May. 5, 2009
7386937 Method of making a biosensor Jun. 17, 2008
7315009 Material for welding and welded article Jan. 1, 2008
7281478 Assembled cathode and plasma igniter with such cathode Oct. 16, 2007
7153398 Method for producing fullerene-containing carbon and device for carrying out said method Dec. 26, 2006
7094314 Atmospheric pressure non-thermal plasma device to clean and sterilize the surfaces of probes, cannulas, pin tools, pipettes and spray heads Aug. 22, 2006
7025863 Vacuum system with separable work piece support Apr. 11, 2006
6888088 Hardfacing materials & methods May. 3, 2005
6864457 Laser machining of materials Mar. 8, 2005
6816671 Mid temperature plasma device Nov. 9, 2004
6794599 Device and method for manufacture of carbonaceous material Sep. 21, 2004
6794598 Arc electrodes for synthesis of carbon nanostructures Sep. 21, 2004
6772040 Centralized control architecture for a plasma arc system Aug. 3, 2004
6752972 Plasma processing method and apparatus Jun. 22, 2004
6723954 Straight polarity metal cored wire Apr. 20, 2004
6687284 Method and apparatus to facilitate restriking in an arc-furnace Feb. 3, 2004
6645438 Methods and apparatus for producing fullerenes in large quantities from liquid hydrocarbons Nov. 11, 2003
6589671 Method for joining a cast part and a case-hardened steel part and component manufactured according to said method Jul. 8, 2003
6368718 Structural steel elements coated with anticorrosive coatings and process for welding the same Apr. 9, 2002
6365866 Method for beam welding of hardenable steels by means of short-time heat treatment Apr. 2, 2002
6281468 Method and apparatus for producing a marking on an ophthalmic lens having a low surface energy Aug. 28, 2001
6242113 Welding alloy and articles for use in welding, weldments and methods for producing weldments Jun. 5, 2001
6118098 Turbine rotor modernization and repair method Sep. 12, 2000
6011240 Method and apparatus for butt welding together sheet blanks Jan. 4, 2000
5994660 High power x-ray welding of metal-matrix composites Nov. 30, 1999
5981896 Apparatus and method for creating dry underwater welds Nov. 9, 1999
5905753 Free-standing rotational rod-fed source May. 18, 1999

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