Reconditioning railroad accessories

Industry

  • CPC
  • B21K9/00
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite profile provided with a support body made of a light meta...

    • Patent number 7,954,611
    • Issue date Jun 7, 2011
    • Engineered Products Switzerland AG (Ltd.)
    • Diethelm Woempner
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Composite profile with a carrier body of alloy material and a profi...

    • Patent number 7,874,412
    • Issue date Jan 25, 2011
    • Engineered Products Switzerland AG
    • Diethelm Wömpner
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Impact rail forger

    • Patent number 4,420,963
    • Issue date Dec 20, 1983
    • Resonant Technology Company
    • Raymond A. Gurries
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of reclaiming used railroad spikes

    • Patent number 4,263,797
    • Issue date Apr 28, 1981
    • Roger H. Cooper
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3184839

    • Patent number 3,184,839
    • Issue date May 25, 1965
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3133343

    • Patent number 3,133,343
    • Issue date May 19, 1964
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2357695

    • Patent number 2,357,695
    • Issue date Sep 5, 1944
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2232987

    • Patent number 2,232,987
    • Issue date Feb 25, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2232988

    • Patent number 2,232,988
    • Issue date Feb 25, 1941
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2197223

    • Patent number 2,197,223
    • Issue date Apr 16, 1940
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2144916

    • Patent number 2,144,916
    • Issue date Jan 24, 1939
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2134450

    • Patent number 2,134,450
    • Issue date Oct 25, 1938
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2090481

    • Patent number 2,090,481
    • Issue date Aug 17, 1937
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2090482

    • Patent number 2,090,482
    • Issue date Aug 17, 1937
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2060328

    • Patent number 2,060,328
    • Issue date Nov 10, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2039086

    • Patent number 2,039,086
    • Issue date Apr 28, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2034046

    • Patent number 2,034,046
    • Issue date Mar 17, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2034043

    • Patent number 2,034,043
    • Issue date Mar 17, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2034045

    • Patent number 2,034,045
    • Issue date Mar 17, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1981326

    • Patent number 1,981,326
    • Issue date Nov 20, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1974093

    • Patent number 1,974,093
    • Issue date Sep 18, 1934
    • 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

    1934077

    • Patent number 1,934,077
    • Issue date Nov 7, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1932375

    • Patent number 1,932,375
    • Issue date Oct 24, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1932376

    • Patent number 1,932,376
    • Issue date Oct 24, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1884476

    • Patent number 1,884,476
    • Issue date Oct 25, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1880349

    • Patent number 1,880,349
    • Issue date Oct 4, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1857582

    • Patent number 1,857,582
    • Issue date May 10, 1932
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1836032

    • Patent number 1,836,032
    • Issue date Dec 15, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1833026

    • Patent number 1,833,026
    • Issue date Nov 24, 1931
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents