TREA

with combined rubber and metal springs

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Industry

  • CPC
  • B61G11/10
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61GCOUPLINGS DRAUGHT AND BUFFING APPLIANCES B61G11/00Buffers

Current Industry

B61G11/10with combined rubber and metal springs
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Railcar end unit
    • Patent number 11,697,441
    • Issue date Jul 11, 2023
    • O-Ring Sales & Service, Inc.
    • Kevin G. Johnson
    • B61 - RAILWAYS
  • Information Patent Grant

    Railcar end unit
    • Patent number 10,737,706
    • Issue date Aug 11, 2020
    • O-Ring Sales & Service, Inc.
    • Kevin G. Johnson
    • B61 - RAILWAYS
  • Information Patent Grant

    Railcar end unit
    • Patent number 9,868,453
    • Issue date Jan 16, 2018
    • O-Ring Sales & Service, Inc.
    • Kevin G. Johnson
    • B61 - RAILWAYS
  • Information Patent Grant

    Friction elastomer draft gear
    • Patent number 4,960,215
    • Issue date Oct 2, 1990
    • Miner Enterprises, Inc.
    • Richard A. Carlstedt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3871634
    • Patent number 3,871,634
    • Issue date Mar 18, 1975
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3473796
    • Patent number 3,473,796
    • Issue date Oct 21, 1969
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3258134
    • Patent number 3,258,134
    • Issue date Jun 28, 1966
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3204781
    • Patent number 3,204,781
    • Issue date Sep 7, 1965
    • B61 - RAILWAYS
  • Information Patent Grant

    2951598
    • Patent number 2,951,598
    • Issue date Sep 6, 1960
    • B61 - RAILWAYS
  • Information Patent Grant

    2930491
    • Patent number 2,930,491
    • Issue date Mar 29, 1960
    • B61 - RAILWAYS
  • Information Patent Grant

    2903143
    • Patent number 2,903,143
    • Issue date Sep 8, 1959
    • B61 - RAILWAYS
  • Information Patent Grant

    2652159
    • Patent number 2,652,159
    • Issue date Sep 15, 1953
    • B61 - RAILWAYS
  • Information Patent Grant

    1828063
    • Patent number 1,828,063
    • Issue date Oct 20, 1931
    • B61 - RAILWAYS
  • Information Patent Grant

    1778080
    • Patent number 1,778,080
    • Issue date Oct 14, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1628595
    • Patent number 1,628,595
    • Issue date May 10, 1927
    • B61 - RAILWAYS

Patents Applicationslast 30 patents

  • Information Patent Application

    RAILCAR END UNIT
    • Publication number 20180118235
    • Publication date May 3, 2018
    • O-Ring Sales & Service, Inc.
    • Kevin G. Johnson
    • B61 - RAILWAYS
  • Information Patent Application

    RAILCAR END UNIT
    • Publication number 20170334469
    • Publication date Nov 23, 2017
    • O-Ring Sales & Service, Inc.
    • Kevin G. Johnson
    • B61 - RAILWAYS