Joints made by electric welding

Industry

  • CPC
  • E01B11/50
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • Information Patent Grant

    Rail welding apparatus incorporating rail restraining device, weld...

    • Patent number 6,787,726
    • Issue date Sep 7, 2004
    • Holland LP
    • Richard L. Thelen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rail welding device

    • Patent number 6,762,390
    • Issue date Jul 13, 2004
    • Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H.
    • Josef Theurer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rail welding apparatus incorporating rail restraining device, weld...

    • Patent number 6,396,020
    • Issue date May 28, 2002
    • Holland Company
    • Richard L. Thelen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and system for welding railroad rails

    • Patent number 6,278,074
    • Issue date Aug 21, 2001
    • Lincoln Global, Inc.
    • Michael J. Morlock
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and system for welding railroad rails

    • Patent number 6,207,920
    • Issue date Mar 27, 2001
    • Lincoln Global, Inc.
    • Michael J. Morlock
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and system for welding railroad rails

    • Patent number 6,069,333
    • Issue date May 30, 2000
    • Lincoln Global, Inc.
    • Michael J. Morlock
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Resistance rail welding device with alignment mechanism

    • Patent number 6,031,197
    • Issue date Feb 29, 2000
    • ESAB AB
    • Rolf Larsson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and system for welding railroad rails

    • Patent number 5,877,468
    • Issue date Mar 2, 1999
    • The Lincoln Electric Company
    • Michael J. Morlock
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and system for welding railroad rails

    • Patent number 5,773,779
    • Issue date Jun 30, 1998
    • The Lincoln Electric Company
    • Michael J. Morlock
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Weld joint between two rails arranged behind each other along a rai...

    • Patent number 5,605,283
    • Issue date Feb 25, 1997
    • Fronius Schweissmaschinen KG. Austria
    • Robert Lahnsteiner
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Method of cast-welding between finely pearlitized rails

    • Patent number 5,078,200
    • Issue date Jan 7, 1992
    • Elektro-Thermit GmbH
    • Hans Guntermann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of field welding head-hardened rails

    • Patent number 4,556,164
    • Issue date Dec 3, 1985
    • Japanese National Railways
    • Hirotsugu Oishibashi
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Mobile rail welding machine

    • Patent number 4,272,664
    • Issue date Jun 9, 1981
    • Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H
    • Josef Theurer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Mobile apparatus for laying railway track

    • Patent number 4,232,610
    • Issue date Nov 11, 1980
    • Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H
    • Josef Theurer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Process for reconditioning worn frogs

    • Patent number 3,976,239
    • Issue date Aug 24, 1976
    • Elektro-Thermit GmbH.
    • Herbert Finck
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3308266

    • Patent number 3,308,266
    • Issue date Mar 7, 1967
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3202791

    • Patent number 3,202,791
    • Issue date Aug 24, 1965
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3192356

    • Patent number 3,192,356
    • Issue date Jun 29, 1965
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3180970

    • Patent number 3,180,970
    • Issue date Apr 27, 1965
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2824952

    • Patent number 2,824,952
    • Issue date Feb 25, 1958
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2297893

    • Patent number 2,297,893
    • Issue date Oct 6, 1942
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2276782

    • Patent number 2,276,782
    • Issue date Mar 17, 1942
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2250869

    • Patent number 2,250,869
    • Issue date Jul 29, 1941
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2250870

    • Patent number 2,250,870
    • Issue date Jul 29, 1941
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2231014

    • Patent number 2,231,014
    • Issue date Feb 11, 1941
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2227369

    • Patent number 2,227,369
    • Issue date Dec 31, 1940
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2212393

    • Patent number 2,212,393
    • Issue date Aug 20, 1940
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2183047

    • Patent number 2,183,047
    • Issue date Dec 12, 1939
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2060765

    • Patent number 2,060,765
    • Issue date Nov 10, 1936
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2047007

    • Patent number 2,047,007
    • Issue date Jul 7, 1936
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    WELDED RAIL

    • Publication number 20230193438
    • Publication date Jun 22, 2023
    • NIPPON STEEL CORPORATION
    • Masaharu UEDA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    METHOD, APPARATUS AND VEHICLE FOR WELDING RAILS

    • Publication number 20170241082
    • Publication date Aug 24, 2017
    • NETWORK RAIL INFRASTRUCTURE LIMITED
    • NICHOLAS RUSSELL MATTHEWS
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Welding Unit

    • Publication number 20170209953
    • Publication date Jul 27, 2017
    • Plasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H
    • RONALD STEINER
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WELDING OF AN ELEMENT OF A TRACK UNIT AND A RAIL SECTION WITHOUT AD...

    • Publication number 20090242519
    • Publication date Oct 1, 2009
    • Serge Baumert
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Welding of an element of a track unit and a rail section without ad...

    • Publication number 20060011732
    • Publication date Jan 19, 2006
    • Serge Baumert
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Rail welding device

    • Publication number 20030141283
    • Publication date Jul 31, 2003
    • Franz Plasser Bahnbaumaschinen- Industriegesellschaft m.b.H.
    • Josef Theurer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Rail welding apparatus incorporating rail restraining device, weld...

    • Publication number 20020170884
    • Publication date Nov 21, 2002
    • Richard L. Thelen
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES