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  • CPC
  • Y10T137/7407
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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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Y10T137/7407With counter-balance
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Low profile overbalanced backwater valve
    • Patent number 9,903,106
    • Issue date Feb 27, 2018
    • Gabe Coscarella
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Device to adjust and control water levels
    • Patent number 7,520,296
    • Issue date Apr 21, 2009
    • James R. Scribner
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Tank valve and opening sensor
    • Patent number 5,975,131
    • Issue date Nov 2, 1999
    • Terry J. Theisen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Retention gate
    • Patent number 5,755,257
    • Issue date May 26, 1998
    • BGU Baugesellschaft fur Umweltschutzanlagen mbH
    • Werner Feucht
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Buoyed flapper valve
    • Patent number 5,141,644
    • Issue date Aug 25, 1992
    • Chevron Research and Technology Company
    • Ralph M. Forde
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Buoyancy operable liquid level sensor for controlling an alarm pres...
    • Patent number 4,838,303
    • Issue date Jun 13, 1989
    • Kip B. Goans
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3601146
    • Patent number 3,601,146
    • Issue date Aug 24, 1971
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3533437
    • Patent number 3,533,437
    • Issue date Oct 13, 1970
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3457947
    • Patent number 3,457,947
    • Issue date Jul 29, 1969
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3285276
    • Patent number 3,285,276
    • Issue date Nov 15, 1966
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3128784
    • Patent number 3,128,784
    • Issue date Apr 14, 1964
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2965127
    • Patent number 2,965,127
    • Issue date Dec 20, 1960
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2699653
    • Patent number 2,699,653
    • Issue date Jan 18, 1955
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2653623
    • Patent number 2,653,623
    • Issue date Sep 29, 1953
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2626017
    • Patent number 2,626,017
    • Issue date Jan 20, 1953
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2616440
    • Patent number 2,616,440
    • Issue date Nov 4, 1952
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2613684
    • Patent number 2,613,684
    • Issue date Oct 14, 1952
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2608202
    • Patent number 2,608,202
    • Issue date Aug 26, 1952
    • F22 - STEAM GENERATION
  • Information Patent Grant

    2520797
    • Patent number 2,520,797
    • Issue date Aug 29, 1950
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2432547
    • Patent number 2,432,547
    • Issue date Dec 16, 1947
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2431721
    • Patent number 2,431,721
    • Issue date Dec 2, 1947
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2352630
    • Patent number 2,352,630
    • Issue date Jul 4, 1944
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2352629
    • Patent number 2,352,629
    • Issue date Jul 4, 1944
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2311499
    • Patent number 2,311,499
    • Issue date Feb 16, 1943
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    2263771
    • Patent number 2,263,771
    • Issue date Nov 25, 1941
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2251086
    • Patent number 2,251,086
    • Issue date Jul 29, 1941
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2243815
    • Patent number 2,243,815
    • Issue date May 27, 1941
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    2189991
    • Patent number 2,189,991
    • Issue date Feb 13, 1940
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2158381
    • Patent number 2,158,381
    • Issue date May 16, 1939
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2132755
    • Patent number 2,132,755
    • Issue date Oct 11, 1938
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

Patents Applicationslast 30 patents