TREA

RICHARD H. MARUYA

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  • Kaneohe, HI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refrigerant composition
    • Patent number 8,721,916
    • Issue date May 13, 2014
    • A.S. Trust & Holdings Inc.
    • Richard H. Maruya
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Hydrocarbon refrigerant and detergent composition
    • Patent number 8,097,182
    • Issue date Jan 17, 2012
    • A.S. Trust & Holdings, Inc.
    • Richard H. Maruya
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Refrigerant service port valve for air conditioners
    • Patent number 7,730,735
    • Issue date Jun 8, 2010
    • Richard H. Maruya
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    System for Using a High-purity Hydrocarbon Heat-transfer Media
    • Publication number 20240352299
    • Publication date Oct 24, 2024
    • Richard Hiroshi Maruya
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    HEAT PUMP WITH TURBINE-DRIVEN ENERGY RECOVERY SYSTEM
    • Publication number 20130247558
    • Publication date Sep 26, 2013
    • RICHARD H. MARUYA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    REFRIGERANT COMPOSITION
    • Publication number 20120286193
    • Publication date Nov 15, 2012
    • RICHARD H. MARUYA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    Hydrocarbon refrigerant and detergent composition
    • Publication number 20100320413
    • Publication date Dec 23, 2010
    • Richard H. Maruya
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Refrigerant service port valve for air conditioners
    • Publication number 20080289353
    • Publication date Nov 27, 2008
    • Richard H. Maruya
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Charcoal igniter
    • Publication number 20080257332
    • Publication date Oct 23, 2008
    • Richard H. Maruya
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES