TREA

Urban Transportation Development Corporation Ltd.

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  • Toronto, CA
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Reaction rail
    • Patent number 5,127,337
    • Issue date Jul 7, 1992
    • Urban Transportation Development Corp., Ltd.
    • William C. Beattie
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Precast railway crossing slab
    • Patent number 4,911,360
    • Issue date Mar 27, 1990
    • Urban Transportation Development Corporation Limited
    • William A. Spurr
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Natural gas fuel injection
    • Patent number 4,846,126
    • Issue date Jul 11, 1989
    • Urban Transportation Development Corporation Ltd.
    • John Stannard
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stabilized steerable truck
    • Patent number 4,819,566
    • Issue date Apr 11, 1989
    • Urban Transportation Development Corp., Ltd.
    • Roy E. Smith
    • B61 - RAILWAYS
  • Information Patent Grant

    Present invention relates to rail vehicles
    • Patent number 4,817,534
    • Issue date Apr 4, 1989
    • Urban Transportation Development Corporation Limited
    • Harry Skoblenick
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Steered axle for a railway vehicle
    • Patent number 4,802,419
    • Issue date Feb 7, 1989
    • Urban Transportation Development Corporation
    • Roy E. Smith
    • B61 - RAILWAYS
  • Information Patent Grant

    Load distribution system for railway truck
    • Patent number 4,742,780
    • Issue date May 10, 1988
    • Urban Transportation Development Corporation Limited
    • Ernest Waddington
    • B61 - RAILWAYS
  • Information Patent Grant

    Wheel assembly and brake therefor
    • Patent number 4,729,455
    • Issue date Mar 8, 1988
    • Urban Transportation Development Corporation Ltd.
    • Colin C. May
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Braking control
    • Patent number RE32543
    • Issue date Nov 10, 1987
    • Urban Transportation Development Corp., Ltd.
    • Dennis F. Williamson
    • 318 - Electricity: motive power systems
  • Information Patent Grant

    Open top draw bar arrangement having removable wedge
    • Patent number 4,700,854
    • Issue date Oct 20, 1987
    • Urban Transportation Development Corporation, Ltd.
    • Dennis Chadwick
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Brake disc design for wheel mounted discs
    • Patent number 4,679,665
    • Issue date Jul 14, 1987
    • Urban Transportation Development Corporation Ltd.
    • Roy E. Smith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Combined regenerative and friction braking system for a vehicle
    • Patent number 4,671,577
    • Issue date Jun 9, 1987
    • Urban Transportation Development Corporation Ltd.
    • David H. Woods
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Integrally air cooled linear induction motor
    • Patent number 4,642,493
    • Issue date Feb 10, 1987
    • Urban Transportation Development Corporation Ltd.
    • Allen K. Wallace
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Contactless powering of LIM vehicle electrical system by recovery o...
    • Patent number 4,635,560
    • Issue date Jan 13, 1987
    • Urban Transportation Development Corporation Limited
    • W. John Ballantyne
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Diagonally braced rail truck
    • Patent number 4,570,544
    • Issue date Feb 18, 1986
    • Urban Transportation Development Corp. Ltd.
    • Roy E. Smith
    • B61 - RAILWAYS
  • Information Patent Grant

    Three axle steered truck
    • Patent number 4,542,700
    • Issue date Sep 24, 1985
    • Urban Transportation Development Corporation Ltd.
    • Roy E. Smith
    • B61 - RAILWAYS
  • Information Patent Grant

    Powered radial truck
    • Patent number 4,542,699
    • Issue date Sep 24, 1985
    • Urban Transportation Development Corporation Ltd.
    • Roy E. Smith
    • B61 - RAILWAYS
  • Information Patent Grant

    Interconnecting passage for articulated vehicle
    • Patent number 4,503,779
    • Issue date Mar 12, 1985
    • Urban Transportation Development Corporation Ltd.
    • Dennis P. Chadwick
    • B61 - RAILWAYS
  • Information Patent Grant

    Jacking device for articulated streetcar
    • Patent number 4,488,709
    • Issue date Dec 18, 1984
    • Urban Transportation Development Corporation Ltd.
    • Dennis P. Chadwick
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Centering mechanism for articulated vehicle
    • Patent number 4,458,911
    • Issue date Jul 10, 1984
    • Urban Transportation Development Corporation Ltd.
    • Dennis P. Chadwick
    • B61 - RAILWAYS
  • Information Patent Grant

    Railway truck; pivotal connection
    • Patent number 4,457,238
    • Issue date Jul 3, 1984
    • Urban Transportation Development Corporation Ltd.
    • George Sobolewski
    • B61 - RAILWAYS
  • Information Patent Grant

    Torque transmitting linkage for articulated vehicle
    • Patent number 4,455,033
    • Issue date Jun 19, 1984
    • Urban Transportation Development Corporation Ltd.
    • Heinz W. Becker
    • B61 - RAILWAYS
  • Information Patent Grant

    Railway steering truck linear induction motor assembly
    • Patent number 4,440,092
    • Issue date Apr 3, 1984
    • Urban Transportation Development Corporation Ltd.
    • George Sobolewski
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Steering articulated car
    • Patent number 4,289,075
    • Issue date Sep 15, 1981
    • Urban Transportation Development Corporation Ltd.
    • Roy E. Smith
    • B61 - RAILWAYS
  • Information Patent Grant

    Radial railway truck
    • Patent number 4,285,280
    • Issue date Aug 25, 1981
    • Urban Transportation Development Corporation Ltd.
    • Roy E. Smith
    • B61 - RAILWAYS
  • Information Patent Grant

    Hoist mechanism for use in a vehicle such as a bus
    • Patent number 4,022,337
    • Issue date May 10, 1977
    • Urban Transportation Development Corporation Ltd.
    • Josef Eichenhofer
    • B60 - VEHICLES IN GENERAL