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  • CPC
  • B61L25/041
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L25/00Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus

Current Industry

B61L25/041using reflecting tags
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic identification method and system for train information
    • Patent number 8,509,969
    • Issue date Aug 13, 2013
    • Nuctech Company Limited
    • Zhiqiang Chen
    • B61 - RAILWAYS
  • Information Patent Grant

    Portable communications unit
    • Patent number 6,895,221
    • Issue date May 17, 2005
    • Tagmaster AB
    • Staffan Gunnarsson
    • B61 - RAILWAYS
  • Information Patent Grant

    Video observation systems
    • Patent number 4,876,597
    • Issue date Oct 24, 1989
    • ADT Security Systems, Inc.
    • Bernard J. J. Roy
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Remote video observation systems
    • Patent number 4,843,462
    • Issue date Jun 27, 1989
    • ADT Security Systems, Inc.
    • Bernard J. J. Roy
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method and apparatus for extracting information from an object that...
    • Patent number 4,491,923
    • Issue date Jan 1, 1985
    • Minnesota Mining and Manufacturing Company
    • Thomas F. Look
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Object identification system utilizing closed circuit television
    • Patent number 4,345,274
    • Issue date Aug 17, 1982
    • Servo Corporation of America
    • Joseph E. Bambara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Coded optical identification system
    • Patent number 4,329,573
    • Issue date May 11, 1982
    • Leonard B. Greene
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Rail car identification apparatus
    • Patent number 4,293,766
    • Issue date Oct 6, 1981
    • The United States of America as represented by the Secretary of Transportation
    • Lennart E. Long
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Freight car identification method
    • Patent number 4,264,927
    • Issue date Apr 28, 1981
    • American District Telegraph Company
    • Andre Raymond
    • B61 - RAILWAYS
  • Information Patent Grant

    Automatic car identification system
    • Patent number 4,160,522
    • Issue date Jul 10, 1979
    • Daumantas V. Dikinis
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Object-identification system with sequentially activated photocell...
    • Patent number 4,070,584
    • Issue date Jan 24, 1978
    • Thomson-CSF
    • Jacques Chartraire
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Self-cleaning label for automatic object identification system
    • Patent number 4,002,889
    • Issue date Jan 11, 1977
    • Servo Corporation of America
    • Sigurd Hoyer-Ellefsen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Pulse width detection circuit for electro-optical label reading system
    • Patent number 3,999,043
    • Issue date Dec 21, 1976
    • Servo Corporation of America
    • Charles Reiss
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Conveyor system utilizing shielded reader units
    • Patent number 3,988,991
    • Issue date Nov 2, 1976
    • FMC Corporation
    • Horace M. Swartz
    • B61 - RAILWAYS
  • Information Patent Grant

    Multiplexed optical scanner system
    • Patent number 3,958,104
    • Issue date May 18, 1976
    • Servo Corporation of America
    • Leonard Zuckerman
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Variable color label for object identification system
    • Patent number 3,935,432
    • Issue date Jan 27, 1976
    • Servo Corporation of America
    • Robert L. Maynard
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3922390
    • Patent number 3,922,390
    • Issue date Nov 25, 1975
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    3907197
    • Patent number 3,907,197
    • Issue date Sep 23, 1975
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3823326
    • Patent number 3,823,326
    • Issue date Jul 9, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3815084
    • Patent number 3,815,084
    • Issue date Jun 4, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3813140
    • Patent number 3,813,140
    • Issue date May 28, 1974
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3812325
    • Patent number 3,812,325
    • Issue date May 21, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3792235
    • Patent number 3,792,235
    • Issue date Feb 12, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3780368
    • Patent number 3,780,368
    • Issue date Dec 18, 1973
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    3758752
    • Patent number 3,758,752
    • Issue date Sep 11, 1973
    • B61 - RAILWAYS
  • Information Patent Grant

    3754212
    • Patent number 3,754,212
    • Issue date Aug 21, 1973
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3745355
    • Patent number 3,745,355
    • Issue date Jul 10, 1973
    • B61 - RAILWAYS
  • Information Patent Grant

    3744026
    • Patent number 3,744,026
    • Issue date Jul 3, 1973
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3735096
    • Patent number 3,735,096
    • Issue date May 22, 1973
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3731067
    • Patent number 3,731,067
    • Issue date May 1, 1973
    • B61 - RAILWAYS

Patents Applicationslast 30 patents