TREA

with metal springs

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Industry

  • CPC
  • B61G11/02
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Parent Industries

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

Current Industry

B61G11/02with 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

    1935364
    • Patent number 1,935,364
    • Issue date Nov 14, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1735424
    • Patent number 1,735,424
    • Issue date Nov 12, 1929
    • B61 - RAILWAYS

Patents Applicationslast 30 patents

  • Information Patent Application

    RAILCAR END UNIT
    • Publication number 20200339164
    • Publication date Oct 29, 2020
    • O-Ring Sales & Service, Inc.
    • Kevin G. Johnson
    • B61 - RAILWAYS
  • 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