TREA

rails joints

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Industry

  • CPC
  • B21K7/10
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21KMAKING FORGED OR PRESSED METAL PRODUCTS B21K7/00Making railway appurtenances Making vehicle parts

Current Industry

B21K7/10rails joints
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2237286
    • Patent number 2,237,286
    • Issue date Apr 8, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1935473
    • Patent number 1,935,473
    • Issue date Nov 14, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1812023
    • Patent number 1,812,023
    • Issue date Jun 30, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1710592
    • Patent number 1,710,592
    • Issue date Apr 23, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1596687
    • Patent number 1,596,687
    • Issue date Aug 17, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1442355
    • Patent number 1,442,355
    • Issue date Jan 16, 1923
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1394708
    • Patent number 1,394,708
    • Issue date Oct 25, 1921
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1361817
    • Patent number 1,361,817
    • Issue date Dec 14, 1920
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • 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...