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Roger Charles Chapman

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  • Farnham, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coupling device
    • Patent number 11,965,489
    • Issue date Apr 23, 2024
    • KINETROL LIMITED
    • Roger Charles Chapman
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Spring return device
    • Patent number 11,585,327
    • Issue date Feb 21, 2023
    • KINETROL LTD
    • Roger Chapman
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Spring return device
    • Patent number 10,267,294
    • Issue date Apr 23, 2019
    • KINETROL LIMITED
    • Roger Charles Chapman
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Rotary vane actuator and vane assembly
    • Patent number 10,100,641
    • Issue date Oct 16, 2018
    • KINETROL LIMITED
    • Roger Charles Chapman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary vane actuators
    • Patent number 9,085,978
    • Issue date Jul 21, 2015
    • KINETROL LIMITED
    • Roger Charles Chapman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Positioning rotary actuators
    • Patent number 6,725,975
    • Issue date Apr 27, 2004
    • Kinetrol Limited
    • Roger C. Chapman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve accessory
    • Patent number 6,708,720
    • Issue date Mar 23, 2004
    • Kinetrol Limited
    • Roger C. Chapman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ADAPTOR FOR MECHANICAL DEVICE
    • Publication number 20240384810
    • Publication date Nov 21, 2024
    • Kinetrol Ltd
    • Roger Charles CHAPMAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COUPLING DEVICE
    • Publication number 20220412324
    • Publication date Dec 29, 2022
    • KINETROL LIMITED
    • Roger Charles CHAPMAN
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    SPRING RETURN DEVICE
    • Publication number 20220042496
    • Publication date Feb 10, 2022
    • Kinetrol Ltd
    • Roger CHAPMAN
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    ROTARY VANE ACTUATOR AND VANE ASSEMBLY
    • Publication number 20180135623
    • Publication date May 17, 2018
    • Kinetrol Limited
    • Roger Charles CHAPMAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPRING RETURN DEVICE
    • Publication number 20170002798
    • Publication date Jan 5, 2017
    • KINETROL LIMITED
    • Roger Charles CHAPMAN
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Rotary Vane Actuators
    • Publication number 20120137873
    • Publication date Jun 7, 2012
    • Roger Charles Chapman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve accessory
    • Publication number 20030075704
    • Publication date Apr 24, 2003
    • Roger C. Chapman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Positioning rotary actuators
    • Publication number 20030026034
    • Publication date Feb 6, 2003
    • Roger C. Chapman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL