Railway switches and signals

Patents Grantslast 30 patents

  • Information Patent Grant

    Failed bearing indicator

    • Patent number 6,237,877
    • Issue date May 29, 2001
    • James L. Wallace
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Process and system for measuring axle and bearing temperatures

    • Patent number 5,201,483
    • Issue date Apr 13, 1993
    • Voest-Alpine Eisenbahnsysteme Gesellschaft m.b.H.
    • Ivan Sutnar
    • B61 - RAILWAYS
  • Information Patent Grant

    Device for detecting excessively heated wheel bearings and/or wheel...

    • Patent number 4,878,761
    • Issue date Nov 7, 1989
    • Voest-Alpine AG
    • Jens Duhrkoop
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Railroad hot box detector

    • Patent number 4,659,043
    • Issue date Apr 21, 1987
    • Servo Corporation of America
    • Cornelius A. Gallagher
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Railroad car wheel bearing heat signal processing circuit

    • Patent number 4,313,583
    • Issue date Feb 2, 1982
    • Servo Corporation of America
    • Joseph E. Bambara
    • B61 - RAILWAYS
  • Information Patent Grant

    Thermal monitor for railroad wheels

    • Patent number 4,220,300
    • Issue date Sep 2, 1980
    • AMSTED Industries Incorporated
    • Harold J. Reicher
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Technique for the detection of flat wheels on railroad cars by acou...

    • Patent number 4,129,276
    • Issue date Dec 12, 1978
    • General Signal Corporation
    • Frank A. Svet
    • B61 - RAILWAYS
  • Information Patent Grant

    Hotbox detector

    • Patent number 4,068,811
    • Issue date Jan 17, 1978
    • General Electric Company
    • Paul W. Caulier
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Railway vehicle derailment detection system

    • Patent number 3,994,459
    • Issue date Nov 30, 1976
    • M.L. Engineering (Plymouth) Limited
    • Geoffrey D. Miller
    • B61 - RAILWAYS
  • Information Patent Grant

    3278932

    • Patent number 3,278,932
    • Issue date Oct 11, 1966
    • G02 - OPTICS
  • Information Patent Grant

    3069111

    • Patent number 3,069,111
    • Issue date Dec 18, 1962
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3056106

    • Patent number 3,056,106
    • Issue date Sep 25, 1962
    • G08 - SIGNALLING
  • Information Patent Grant

    3015803

    • Patent number 3,015,803
    • Issue date Jan 2, 1962
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2976730

    • Patent number 2,976,730
    • Issue date Mar 28, 1961
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2963691

    • Patent number 2,963,691
    • Issue date Dec 6, 1960
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2927464

    • Patent number 2,927,464
    • Issue date Mar 8, 1960
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2920485

    • Patent number 2,920,485
    • Issue date Jan 12, 1960
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2886970

    • Patent number 2,886,970
    • Issue date May 19, 1959
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2869369

    • Patent number 2,869,369
    • Issue date Jan 20, 1959
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2858450

    • Patent number 2,858,450
    • Issue date Oct 28, 1958
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    2832820

    • Patent number 2,832,820
    • Issue date Apr 29, 1958
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2811856

    • Patent number 2,811,856
    • Issue date Nov 5, 1957
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2800023

    • Patent number 2,800,023
    • Issue date Jul 23, 1957
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2798962

    • Patent number 2,798,962
    • Issue date Jul 9, 1957
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2798961

    • Patent number 2,798,961
    • Issue date Jul 9, 1957
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2761072

    • Patent number 2,761,072
    • Issue date Aug 28, 1956
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2717693

    • Patent number 2,717,693
    • Issue date Sep 13, 1955
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    2710559

    • Patent number 2,710,559
    • Issue date Jun 14, 1955
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2699834

    • Patent number 2,699,834
    • Issue date Jan 18, 1955
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2665129

    • Patent number 2,665,129
    • Issue date Jan 5, 1954
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES