TREA

Four port reversing valve

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  • CPC
  • Y10T137/2678
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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION Y10T137/00Fluid handling

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Y10T137/2678Four port reversing valve
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas circulation apparatus, gas circulation method, pneumatic appara...
    • Patent number 12,135,045
    • Issue date Nov 5, 2024
    • CHANGXIN MEMORY TECHNOLOGIES, INC.
    • Qing Huang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rotary four-way reversing valve with low pressure drop and low leakage
    • Patent number 10,330,359
    • Issue date Jun 25, 2019
    • SHANGHAI GOLDAIR ELECTRIC SYSTEM CO., LTD.
    • Shijun Yu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Controlling device for hydraulic consumers
    • Patent number 8,443,827
    • Issue date May 21, 2013
    • HYDAC FILTERTECHNIK GMBH
    • Winfried Rüb
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Self-actuating control valve for a bed pad or seat pad
    • Patent number 6,895,988
    • Issue date May 24, 2005
    • Grant Airmass Corporation
    • Benton H. Grant
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Valve assembly and airconditioning system including same
    • Patent number 6,491,063
    • Issue date Dec 10, 2002
    • Ben-Ro Industry and Development Ltd.
    • Dror Benatav
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Valve and a wire cutting, skinning and wrapping tool employing the...
    • Patent number 4,344,212
    • Issue date Aug 17, 1982
    • International Standard Electric Corporation
    • Frans P. J. Bolssens
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Pneumatic program register and corresponding module
    • Patent number 4,244,391
    • Issue date Jan 13, 1981
    • Crouzet
    • Jacques Coudeyre
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Control circuit for pneumatic phase
    • Patent number 4,205,700
    • Issue date Jun 3, 1980
    • La Telemelanique Electrique
    • Daniel Bouteille
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Pneumatic circuit arrangement
    • Patent number 4,181,141
    • Issue date Jan 1, 1980
    • Kurt Stoll
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Integrated pneumatic logic module
    • Patent number 4,112,962
    • Issue date Sep 12, 1978
    • Peter C. Huff
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3789864
    • Patent number 3,789,864
    • Issue date Feb 5, 1974
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3770012
    • Patent number 3,770,012
    • Issue date Nov 6, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3738227
    • Patent number 3,738,227
    • Issue date Jun 12, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3504693
    • Patent number 3,504,693
    • Issue date Apr 7, 1970
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3490476
    • Patent number 3,490,476
    • Issue date Jan 20, 1970
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3483883
    • Patent number 3,483,883
    • Issue date Dec 16, 1969
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3168898
    • Patent number 3,168,898
    • Issue date Feb 9, 1965
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    3160164
    • Patent number 3,160,164
    • Issue date Dec 8, 1964
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    3057377
    • Patent number 3,057,377
    • Issue date Oct 9, 1962
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2766847
    • Patent number 2,766,847
    • Issue date Oct 16, 1956
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2208682
    • Patent number 2,208,682
    • Issue date Jul 23, 1940
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    1049012
    • Patent number 1,049,012
    • Issue date Dec 31, 1912
    • B08 - CLEANING

Patents Applicationslast 30 patents