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Class Information
Number: 219/137WM
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > Welding > Process > Weld metal composition

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8704136 Filler for joint and method for production thereof Apr. 22, 2014
8618440 Sprayed weld strip for improved weldability Dec. 31, 2013
8603389 Coated welding electrode having resistance to ductility dip cracking, and weld deposit produced therefrom Dec. 10, 2013
8563896 Systems and methods to modify gas metal arc welding and its variants Oct. 22, 2013
8546727 Contact tube for a welding torch Oct. 1, 2013
8530790 Method for extracting non-metallic weld metal inclusions Sep. 10, 2013
8530791 Corrosion resisting joining area and method between materials of copper and stainless steel or titanium, which are the constituents of permanent cathodes for electrolytic processes and cathode Sep. 10, 2013
8461484 Conductive stud welding Jun. 11, 2013
8410400 Welded metal laminate structure and method for welding a metal laminate structure Apr. 2, 2013
8378260 Method and device for permanently connecting components of heat-meltable, metallic materials Feb. 19, 2013
8354608 Methods for control of a fusion welding process by maintaining a controlled weld pool volume Jan. 15, 2013
8343419 Ni base alloy solid wire for welding Jan. 1, 2013
8330071 Discharging surface preparation method and repairing method Dec. 11, 2012
8304693 Refractory materials reinforced composites for the GMAW contact tips Nov. 6, 2012
8278587 Systems and methods to modify gas metal arc welding and its variants Oct. 2, 2012
8258432 Welding trip steels Sep. 4, 2012
8217295 Method for producing a welded connection for use in a corrosive environment Jul. 10, 2012
8158906 Welding method and welding device Apr. 17, 2012
8158907 Weld wire with enhanced slag removal Apr. 17, 2012
8153934 Saw flux system for improved as-cast weld metal toughness Apr. 10, 2012
8119951 Weld wire with enhanced slag removal Feb. 21, 2012
8101029 Weld metal of high-strength Cr-Mo steel Jan. 24, 2012
8049131 Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same Nov. 1, 2011
7989732 Method of AC welding using a flux cored electrode Aug. 2, 2011
7915566 Weld filler, use of the weld filler and welding process Mar. 29, 2011
7884305 Weld bead shape control Feb. 8, 2011
7786407 Process for capillary electric welding of low and high alloy steels, hardened or not, and bimetals, for the obtainment of a determined texture, without thermal treatment Aug. 31, 2010
7755001 High Cr Ni-based alloy filler material and welding rod for shielded metal arc welding Jul. 13, 2010
7718914 Metal-protective gas-joint with changeable polarity May. 18, 2010
7557327 Method of pulse welding and contact tip therefor Jul. 7, 2009
7518082 Method for arc welding of ductile cast iron Apr. 14, 2009
7498543 Method for joining or repairing metal surface parts Mar. 3, 2009
7380384 Layout for shop window construction, as well as a window frame, glazed door and/or similar, composed of such a layout Jun. 3, 2008
7371994 Buried arc welding of integrally backed square butt joints May. 13, 2008
7335849 Stud welding method Feb. 26, 2008
7244904 Metal-protective gas-joint with changeable polarity Jul. 17, 2007
7241970 Ternary gas mixture which can be used in the braze welding of galvanized parts Jul. 10, 2007
7241971 Laser/arc hybrid welding process for ferritic steels Jul. 10, 2007
7217905 Weld filler metal that reduces residual stress and distortion May. 15, 2007
7208695 Welding shield gas and welding method Apr. 24, 2007
7189941 Process for making heterogeneous joints under shielding gas Mar. 13, 2007
7087853 Method for joining porous metal structures and structure formed thereby Aug. 8, 2006
7075033 Low cost titanium welding method Jul. 11, 2006
7071438 Gas composition for arc welding Jul. 4, 2006
7026576 Welding wire and welding method using the wire Apr. 11, 2006
7015417 Workpiece welding process Mar. 21, 2006
6953508 High strength steel weld having improved resistance to cold cracking and a welding method Oct. 11, 2005
6927361 Surface oxide weld penetration enhancement method and article Aug. 9, 2005
6906281 Method for laser welding of metal Jun. 14, 2005
6884963 Apparatus and method for welding duplex stainless steel Apr. 26, 2005

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