TREA

Transmission mechanism or acoustical signals for gates

Follow

Industry

  • CPC
  • B61L29/243
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L29/00Safety means for rail/road crossing traffic

Current Industry

B61L29/243Transmission mechanism or acoustical signals for gates
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Systems and methods for determining passage status of a train at a...
    • Patent number 11,753,010
    • Issue date Sep 12, 2023
    • Ford Global Technologies, LLC
    • Heather Woycik
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicle advisory system
    • Patent number 10,974,748
    • Issue date Apr 13, 2021
    • Westinghouse Air Brake Technologies Corporation
    • Kevin Angel
    • B61 - RAILWAYS
  • Information Patent Grant

    System to provide real-time railroad grade crossing information to...
    • Patent number 10,648,827
    • Issue date May 12, 2020
    • TRAINFO CORP.
    • Garreth Rempel
    • B61 - RAILWAYS
  • Information Patent Grant

    Railroad crossing gate monitoring and alarm system
    • Patent number 10,589,766
    • Issue date Mar 17, 2020
    • SIEMENS MOBILITY, INC.
    • Leonard Wydotis
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Circuit arrangement for revealing light signal errors
    • Patent number 9,656,681
    • Issue date May 23, 2017
    • Siemens Aktiengesellschaft
    • Rolf Eckl
    • B61 - RAILWAYS
  • Information Patent Grant

    System for grade crossing protection
    • Patent number 8,676,411
    • Issue date Mar 18, 2014
    • Thales Canada Inc.
    • Abe Kanner
    • B61 - RAILWAYS
  • Information Patent Grant

    Method and system for grade crossing protection
    • Patent number 8,548,655
    • Issue date Oct 1, 2013
    • Thales Canada Inc.
    • Abe Kanner
    • B61 - RAILWAYS
  • Information Patent Grant

    3507368
    • Patent number 3,507,368
    • Issue date Apr 21, 1970
    • B61 - RAILWAYS
  • Information Patent Grant

    3418870
    • Patent number 3,418,870
    • Issue date Dec 31, 1968
    • B61 - RAILWAYS
  • Information Patent Grant

    3034240
    • Patent number 3,034,240
    • Issue date May 15, 1962
    • B61 - RAILWAYS
  • Information Patent Grant

    2710342
    • Patent number 2,710,342
    • Issue date Jun 7, 1955
    • B61 - RAILWAYS
  • Information Patent Grant

    2598196
    • Patent number 2,598,196
    • Issue date May 27, 1952
    • B61 - RAILWAYS
  • Information Patent Grant

    2528733
    • Patent number 2,528,733
    • Issue date Nov 7, 1950
    • B61 - RAILWAYS
  • Information Patent Grant

    2505940
    • Patent number 2,505,940
    • Issue date May 2, 1950
    • B61 - RAILWAYS
  • Information Patent Grant

    2488313
    • Patent number 2,488,313
    • Issue date Nov 15, 1949
    • B61 - RAILWAYS
  • Information Patent Grant

    2451373
    • Patent number 2,451,373
    • Issue date Oct 12, 1948
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2401275
    • Patent number 2,401,275
    • Issue date May 28, 1946
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2362710
    • Patent number 2,362,710
    • Issue date Nov 14, 1944
    • B61 - RAILWAYS
  • Information Patent Grant

    2353942
    • Patent number 2,353,942
    • Issue date Jul 18, 1944
    • B61 - RAILWAYS
  • Information Patent Grant

    2352310
    • Patent number 2,352,310
    • Issue date Jun 27, 1944
    • B61 - RAILWAYS
  • Information Patent Grant

    2351857
    • Patent number 2,351,857
    • Issue date Jun 20, 1944
    • B61 - RAILWAYS
  • Information Patent Grant

    2324912
    • Patent number 2,324,912
    • Issue date Jul 20, 1943
    • B61 - RAILWAYS
  • Information Patent Grant

    2255878
    • Patent number 2,255,878
    • Issue date Sep 16, 1941
    • B61 - RAILWAYS
  • Information Patent Grant

    2223218
    • Patent number 2,223,218
    • Issue date Nov 26, 1940
    • B61 - RAILWAYS
  • Information Patent Grant

    2071924
    • Patent number 2,071,924
    • Issue date Feb 23, 1937
    • B61 - RAILWAYS
  • Information Patent Grant

    1952641
    • Patent number 1,952,641
    • Issue date Mar 27, 1934
    • B61 - RAILWAYS
  • Information Patent Grant

    1928945
    • Patent number 1,928,945
    • Issue date Oct 3, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1911405
    • Patent number 1,911,405
    • Issue date May 30, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1888058
    • Patent number 1,888,058
    • Issue date Nov 15, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1812559
    • Patent number 1,812,559
    • Issue date Jun 30, 1931
    • B61 - RAILWAYS

Patents Applicationslast 30 patents