TREA

Use of direct current

Follow

Industry

  • CPC
  • B61L1/185
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 B61L1/00Devices along the route controlled by interaction with the vehicle or vehicle train

Current Industry

B61L1/185Use of direct current
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Track circuit with continued distance monitoring and broken rail pr...
    • Patent number 11,866,076
    • Issue date Jan 9, 2024
    • SIEMENS MOBILITY, INC.
    • Holger Schmidt
    • B61 - RAILWAYS
  • Information Patent Grant

    Method, controller and track circuit for determining the relationsh...
    • Patent number 11,780,482
    • Issue date Oct 10, 2023
    • ALSTOM TRANSPORT TECHNOLOGIES
    • Nenad Mijatovic
    • B61 - RAILWAYS
  • Information Patent Grant

    Method and controller for determining the relationship between a tr...
    • Patent number 11,577,763
    • Issue date Feb 14, 2023
    • ALSTOM TRANSPORT TECHNOLOGIES
    • Nenad Mijatovic
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Rail fracture detection device
    • Patent number 10,946,879
    • Issue date Mar 16, 2021
    • Mitsubishi Electric Corporation
    • Masashi Asuka
    • B61 - RAILWAYS
  • Information Patent Grant

    Method, controller and system for determining the location of a tra...
    • Patent number 10,647,338
    • Issue date May 12, 2020
    • ALSTOM TRANSPORT TECHNOLOGIES
    • Jeffrey M. Fries
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Railroad block/grade crossing warning system
    • Patent number 10,556,604
    • Issue date Feb 11, 2020
    • Fermi Research Alliance, LLC
    • Derek L. Plant
    • B61 - RAILWAYS
  • Information Patent Grant

    Fixed block track circuit
    • Patent number 9,610,958
    • Issue date Apr 4, 2017
    • CHINA ENGINEERING CONSULTANTS, INC.
    • Hsun-Jung Cho
    • B61 - RAILWAYS
  • Information Patent Grant

    Railway code generation and signaling system and method
    • Patent number 9,391,820
    • Issue date Jul 12, 2016
    • ALSTOM TRANSPORT TECHNOLOGIES
    • James Michael Kiss
    • B61 - RAILWAYS
  • Information Patent Grant

    Track circuit providing enhanced broken rail detection
    • Patent number 9,150,228
    • Issue date Oct 6, 2015
    • Victor F. Grappone
    • B61 - RAILWAYS
  • Information Patent Grant

    Vital digital input
    • Patent number 8,798,206
    • Issue date Aug 5, 2014
    • Thales Canada Inc.
    • Gabriel Cristian Ilie
    • B61 - RAILWAYS
  • Information Patent Grant

    System and method for broken rail and train detection
    • Patent number 7,823,841
    • Issue date Nov 2, 2010
    • General Electric Company
    • Todd Alan Anderson
    • B61 - RAILWAYS
  • Information Patent Grant

    Electronic vital relay
    • Patent number 7,296,770
    • Issue date Nov 20, 2007
    • Union Switch & Signal, Inc.
    • Raymond C. Franke
    • B61 - RAILWAYS
  • Information Patent Grant

    Resistance-monitoring arrangement
    • Patent number 6,252,408
    • Issue date Jun 26, 2001
    • Alstom UK Limited
    • Damian Mounsey Poole
    • B61 - RAILWAYS
  • Information Patent Grant

    3907237
    • Patent number 3,907,237
    • Issue date Sep 23, 1975
    • B61 - RAILWAYS
  • Information Patent Grant

    3819933
    • Patent number 3,819,933
    • Issue date Jun 25, 1974
    • B61 - RAILWAYS
  • Information Patent Grant

    3672611
    • Patent number 3,672,611
    • Issue date Jun 27, 1972
    • B61 - RAILWAYS
  • Information Patent Grant

    3267280
    • Patent number 3,267,280
    • Issue date Aug 16, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2902593
    • Patent number 2,902,593
    • Issue date Sep 1, 1959
    • B61 - RAILWAYS
  • Information Patent Grant

    2888553
    • Patent number 2,888,553
    • Issue date May 26, 1959
    • B61 - RAILWAYS
  • Information Patent Grant

    2881308
    • Patent number 2,881,308
    • Issue date Apr 7, 1959
    • B61 - RAILWAYS
  • Information Patent Grant

    2863993
    • Patent number 2,863,993
    • Issue date Dec 9, 1958
    • B61 - RAILWAYS
  • Information Patent Grant

    2859335
    • Patent number 2,859,335
    • Issue date Nov 4, 1958
    • B61 - RAILWAYS
  • Information Patent Grant

    2825801
    • Patent number 2,825,801
    • Issue date Mar 4, 1958
    • B61 - RAILWAYS
  • Information Patent Grant

    2817009
    • Patent number 2,817,009
    • Issue date Dec 17, 1957
    • B61 - RAILWAYS
  • Information Patent Grant

    2817010
    • Patent number 2,817,010
    • Issue date Dec 17, 1957
    • B61 - RAILWAYS
  • Information Patent Grant

    2812425
    • Patent number 2,812,425
    • Issue date Nov 5, 1957
    • B61 - RAILWAYS
  • Information Patent Grant

    2739231
    • Patent number 2,739,231
    • Issue date Mar 20, 1956
    • B61 - RAILWAYS
  • Information Patent Grant

    2736794
    • Patent number 2,736,794
    • Issue date Feb 28, 1956
    • B61 - RAILWAYS
  • Information Patent Grant

    2721932
    • Patent number 2,721,932
    • Issue date Oct 25, 1955
    • B61 - RAILWAYS
  • Information Patent Grant

    2638536
    • Patent number 2,638,536
    • Issue date May 12, 1953
    • B61 - RAILWAYS

Patents Applicationslast 30 patents