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David Parsons

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  • Leamington Spa, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pre-filled power hydraulic system
    • Patent number 5,188,204
    • Issue date Feb 23, 1993
    • Automotive Products plc
    • David R. Arrowsmith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential mechanism
    • Patent number 5,062,320
    • Issue date Nov 5, 1991
    • 501 Automotive Products Plc
    • David Parsons
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Clutch control system in which the clutch actuation is initiated by...
    • Patent number 5,038,901
    • Issue date Aug 13, 1991
    • Automotive Products plc
    • David Parsons
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Torque responsive clutch control
    • Patent number 5,002,170
    • Issue date Mar 26, 1991
    • Automotive Products plc
    • David Parsons
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor vehicle transmission including a hill holder device
    • Patent number 4,650,046
    • Issue date Mar 17, 1987
    • Automotive Products plc
    • David Parsons
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Liquid pressure apparatus
    • Patent number 4,599,860
    • Issue date Jul 15, 1986
    • Automotive Products plc
    • David Parsons
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electronic clutch control system
    • Patent number 4,561,530
    • Issue date Dec 31, 1985
    • Automotive Products plc
    • David Parsons
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic slave cylinder with latch means for use with clutch relea...
    • Patent number 4,561,531
    • Issue date Dec 31, 1985
    • Automotive Products plc
    • Alastair J. Young
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Control system for a fluid pressure engaged clutch
    • Patent number 4,444,297
    • Issue date Apr 24, 1984
    • Automotive Products Limited
    • David Parsons
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Liquid pressure apparatus
    • Patent number 4,407,125
    • Issue date Oct 4, 1983
    • Automotive Products Limited
    • David Parsons
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Booster for a hydraulic clutch system
    • Patent number 4,378,676
    • Issue date Apr 5, 1983
    • Automotive Products Limited
    • David Parsons
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid pressure servomotor
    • Patent number 4,346,573
    • Issue date Aug 31, 1982
    • Automotive Products Limited
    • David Parsons
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Clutch release bearing assembly
    • Patent number 4,327,951
    • Issue date May 4, 1982
    • Automotive Products Limited
    • David R. Arrowsmith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Retarder for rotating members
    • Patent number 4,310,080
    • Issue date Jan 12, 1982
    • Automotive Products Limited
    • Roger P. Jarvis
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch brake mechanisms
    • Patent number 4,299,314
    • Issue date Nov 10, 1981
    • Automotive Products Limited
    • David Parsons
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air assisted braking system
    • Patent number 4,288,126
    • Issue date Sep 8, 1981
    • Automotive Products Limited
    • David Parsons
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic master cylinder
    • Patent number 4,229,940
    • Issue date Oct 28, 1980
    • Automotive Products Limited
    • Raymond Higgerson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Clutch release bearing assembly
    • Patent number 4,229,058
    • Issue date Oct 21, 1980
    • Automotive Products Limited
    • David R. Arrowsmith
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic master cylinder
    • Patent number 4,201,055
    • Issue date May 6, 1980
    • Automotive Products Limited
    • Wilfred N. Bainbridge
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Release bearing assemblies for vehicle clutches
    • Patent number 4,109,773
    • Issue date Aug 29, 1978
    • Automotive Products Limited
    • Raymond Higgerson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Disc brake assembly
    • Patent number 4,099,600
    • Issue date Jul 11, 1978
    • Automotive Products Limited
    • Harry Davison Temperley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...