TREA

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  • CPC
  • B21K7/02
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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

B21K7/02parts for permanent way
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Profile transition rail and method for producing said rail
    • Patent number 7,210,636
    • Issue date May 1, 2007
    • VAE Eisenbahnsysteme Gmbh
    • Helmut Jäger
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process for modifying the section of a railway rail and rail thus o...
    • Patent number 5,611,234
    • Issue date Mar 18, 1997
    • KIHN
    • Jean-Pierre Allegrucci
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of making a resilient double C-shaped clip for securing a ra...
    • Patent number 4,025,044
    • Issue date May 24, 1977
    • B.V. Schroefboutenfabriek v.h.Everts en van der Weijden
    • Lodewijk Goderbauer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3766770
    • Patent number 3,766,770
    • Issue date Oct 23, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3431768
    • Patent number 3,431,768
    • Issue date Mar 11, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3373595
    • Patent number 3,373,595
    • Issue date Mar 19, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3159198
    • Patent number 3,159,198
    • Issue date Dec 1, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3136048
    • Patent number 3,136,048
    • Issue date Jun 9, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2911117
    • Patent number 2,911,117
    • Issue date Nov 3, 1959
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2596734
    • Patent number 2,596,734
    • Issue date May 13, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2343082
    • Patent number 2,343,082
    • Issue date Feb 29, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2343083
    • Patent number 2,343,083
    • Issue date Feb 29, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2116670
    • Patent number 2,116,670
    • Issue date May 10, 1938
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1736715
    • Patent number 1,736,715
    • Issue date Nov 19, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1706273
    • Patent number 1,706,273
    • Issue date Mar 19, 1929
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1685255
    • Patent number 1,685,255
    • Issue date Sep 25, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1644283
    • Patent number 1,644,283
    • Issue date Oct 4, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1633670
    • Patent number 1,633,670
    • Issue date Jun 28, 1927
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1612635
    • Patent number 1,612,635
    • Issue date Dec 28, 1926
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1549351
    • Patent number 1,549,351
    • Issue date Aug 11, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1546827
    • Patent number 1,546,827
    • Issue date Jul 21, 1925
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1442920
    • Patent number 1,442,920
    • Issue date Jan 23, 1923
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1426397
    • Patent number 1,426,397
    • Issue date Aug 22, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    227946
    • Patent number 227,946
    • Issue date May 25, 1880
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents