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David Heaps

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  • Leeds, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary vacuum pump with a rotor end groove
    • Patent number 11,168,691
    • Issue date Nov 9, 2021
    • ZF CV Systems Europe BV
    • David Heaps
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vacuum pump reed valve which will reduce cold start torque
    • Patent number 11,143,188
    • Issue date Oct 12, 2021
    • ZF CV Systems Europe BV
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump with eccentrically driven vane (eccentric pump design w...
    • Patent number 10,837,283
    • Issue date Nov 17, 2020
    • WABCO Europe BVBA
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Twin vane rotary vacuum pump
    • Patent number 10,683,864
    • Issue date Jun 16, 2020
    • WABCO Europe BVBA
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and system of a vacuum pump and an engine
    • Patent number 10,480,465
    • Issue date Nov 19, 2019
    • WABCO Europe BVBA
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,371,148
    • Issue date Aug 6, 2019
    • WABCO AUTOMOTIVE UK LIMITED
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump having a disconnectable drive coupling
    • Patent number 9,856,877
    • Issue date Jan 2, 2018
    • WABCO AUTOMOTIVE UK LIMITED
    • Simon Warner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump with eccentrically driven vane (eccentric pump design)
    • Patent number 9,803,642
    • Issue date Oct 31, 2017
    • WABCO Europe BVBA
    • David Heaps
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vacuum pump
    • Patent number 9,683,570
    • Issue date Jun 20, 2017
    • WABCO Automotive UK Limited
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Combined gas and liquid pump
    • Patent number 8,651,833
    • Issue date Feb 18, 2014
    • Wabco Automotive UK Limited
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump with an axial oil feed conduit
    • Patent number 8,628,317
    • Issue date Jan 14, 2014
    • Wabco Automotive UK Limited
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 7,207,782
    • Issue date Apr 24, 2007
    • WABCO Automotive UK Limited
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC VACUUM PUMP FOR BRAKING SYSTEM ON PASSENGER CARS WITH V-TW...
    • Publication number 20220154707
    • Publication date May 19, 2022
    • ZF CV Systems Europe BV
    • Glyn Dyche
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    A VACUUM PUMP REED VALVE WHICH WILL REDUCE COLD START TORQUE
    • Publication number 20200116150
    • Publication date Apr 16, 2020
    • WABCO Europe BVBA
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP WITH ECCENTRICALLY DRIVEN VANE (ECCENTRIC PUMP DESIGN W...
    • Publication number 20190338781
    • Publication date Nov 7, 2019
    • WABCO EUROPE BVBA
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY VACUUM PUMP WITH A ROTOR END GROOVE
    • Publication number 20190242383
    • Publication date Aug 8, 2019
    • WABCO Europe BVBA
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TWIN VANE ROTARY VACUUM PUMP
    • Publication number 20190017507
    • Publication date Jan 17, 2019
    • WABCO EUROPE BVBA
    • David HEAPS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20170254332
    • Publication date Sep 7, 2017
    • WABCO AUTOMOTIVE UK LIMITED
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP WITH ECCENTRICALLY DRIVEN VANE (ECCENTRIC PUMP DESIGN)
    • Publication number 20170198695
    • Publication date Jul 13, 2017
    • WABCO Europe BVBA
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND SYSTEM OF A VACUUM PUMP AND AN ENGINE
    • Publication number 20170058846
    • Publication date Mar 2, 2017
    • WABCO Europe BVBA
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum Pump Having a Disconnectable Drive Coupling
    • Publication number 20150316059
    • Publication date Nov 5, 2015
    • WABCO AUTOMOTIVE UK LIMITED
    • Simon Warner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum Pump
    • Publication number 20140334960
    • Publication date Nov 13, 2014
    • WABCO AUTOMOTIVE UK LIMITED
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum Pump
    • Publication number 20100239440
    • Publication date Sep 23, 2010
    • Wabco Automotive UK Limited
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Combined Gas and Liquid Pump
    • Publication number 20100000207
    • Publication date Jan 7, 2010
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum pump
    • Publication number 20050180865
    • Publication date Aug 18, 2005
    • David Heaps
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES