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Roger A. Heron

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  • Bedford, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pulse tube refrigerator
    • Patent number 6,813,891
    • Issue date Nov 9, 2004
    • Oxford Magnet Technology Limited
    • Roger Artindale Heron
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rotary valve
    • Patent number 6,694,749
    • Issue date Feb 24, 2004
    • Oxford Magnet Technology Ltd.
    • Roger Artindale Heron
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Liquid flow system having improved apparatus for determining partic...
    • Patent number 5,349,849
    • Issue date Sep 27, 1994
    • British Technology Group Limited
    • Roger A. Heron
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Abrasive fluid flow
    • Patent number 4,878,785
    • Issue date Nov 7, 1989
    • The British Hydromechanics Research Association
    • Roger A. Heron
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Feeding abrasive material
    • Patent number 4,854,090
    • Issue date Aug 8, 1989
    • The British Hydromechanics Research Association
    • Roger A. Heron
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Liquid flow control assembly
    • Patent number 4,836,498
    • Issue date Jun 6, 1989
    • Roger A. Heron
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Determining the level of contaminants in a hydraulic system
    • Patent number 4,663,966
    • Issue date May 12, 1987
    • National Research Development Corporation
    • Martin J. Fisher
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Determining the level of contaminants in a hydraulic system
    • Patent number 4,599,893
    • Issue date Jul 15, 1986
    • National Research Development Corporation
    • Martin J. Fisher
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Determining the level of contaminants in a hydraulic system
    • Patent number 4,495,799
    • Issue date Jan 29, 1985
    • National Research Development Corporation
    • Martin J. Fisher
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Pulse tube refrigerator
    • Publication number 20030200755
    • Publication date Oct 30, 2003
    • Roger Artindale Heron
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Rotary valve
    • Publication number 20030089116
    • Publication date May 15, 2003
    • Roger Artindale Heron
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...