Liquid excluding devices for gas inlet or outlets

Patents Grantslast 30 patents

  • Information Patent Grant

    Basement sewer drain recovery and discharge device

    • Patent number 10,190,307
    • Issue date Jan 29, 2019
    • Joseph Wilson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Basement sewer drain recovery and discharge system

    • Patent number 9,771,712
    • Issue date Sep 26, 2017
    • Joseph Wilson
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Cold water tank and water treatment apparatus having the same

    • Patent number 8,057,665
    • Issue date Nov 15, 2011
    • Woongjin Coway Co., Ltd.
    • Jae Man Kim
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Sewer pipe gas exhaust filter apparatus

    • Patent number 7,866,334
    • Issue date Jan 11, 2011
    • Mark McIntire
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Methods and apparatus for improved fluid control utilizing a U-valv...

    • Patent number 7,309,470
    • Issue date Dec 18, 2007
    • Pharmacopeia Drug Discovery, Inc.
    • Ilya Feygin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Fluid shutoff apparatus

    • Patent number 6,907,898
    • Issue date Jun 21, 2005
    • Travis H. White
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Dual-action vent check valve

    • Patent number 6,848,465
    • Issue date Feb 1, 2005
    • Robert H. Wager Co., Inc.
    • Jonathan T. Ledbetter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Methods and apparatus for improved fluid control utilizing a U-valv...

    • Patent number 6,846,461
    • Issue date Jan 25, 2005
    • Pharmacopeia Drug Discovery, Inc.
    • Ilya Feygin
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Methods and apparatus for improved fluid control utilizing a u-valv...

    • Patent number 6,254,835
    • Issue date Jul 3, 2001
    • Pharmacopeia, Inc.
    • Ilya Feygin
    • C40 - COMBINATORIAL CHEMISTRY
  • Information Patent Grant

    Valve assembly for preventing liquid ingestion and methods

    • Patent number 6,213,146
    • Issue date Apr 10, 2001
    • Donaldson Company, Inc.
    • Daniel T. Risch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Valve assembly for preventing liquid ingestion and methods

    • Patent number 6,209,559
    • Issue date Apr 3, 2001
    • Donaldson Company, Inc.
    • Daniel T. Risch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Valve assembly for preventing liquid ingestion and methods

    • Patent number 6,009,898
    • Issue date Jan 4, 2000
    • Donaldson Company, Inc.
    • Daniel T. Risch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel outflow preventing valve device

    • Patent number 5,711,339
    • Issue date Jan 27, 1998
    • Nifco Inc.
    • Kazumasa Kurihara
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Liquid flow control device

    • Patent number 5,613,513
    • Issue date Mar 25, 1997
    • Val-Matic Valve & Mfg. Corporation
    • Ted J. Makowan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self-cleaning non-return drainage valve

    • Patent number 4,059,127
    • Issue date Nov 22, 1977
    • Leonard J. Olson
    • E04 - BUILDING
  • Information Patent Grant

    3858603

    • Patent number 3,858,603
    • Issue date Jan 7, 1975
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3542059

    • Patent number 3,542,059
    • Issue date Nov 24, 1970
    • E04 - BUILDING
  • Information Patent Grant

    3166083

    • Patent number 3,166,083
    • Issue date Jan 19, 1965
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    2989752

    • Patent number 2,989,752
    • Issue date Jun 27, 1961
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    2867231

    • Patent number 2,867,231
    • Issue date Jan 6, 1959
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2851259

    • Patent number 2,851,259
    • Issue date Sep 9, 1958
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2811219

    • Patent number 2,811,219
    • Issue date Oct 29, 1957
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    2801644

    • Patent number 2,801,644
    • Issue date Aug 6, 1957
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2783523

    • Patent number 2,783,523
    • Issue date Mar 5, 1957
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    2719596

    • Patent number 2,719,596
    • Issue date Oct 4, 1955
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2671527

    • Patent number 2,671,527
    • Issue date Mar 9, 1954
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2633131

    • Patent number 2,633,131
    • Issue date Mar 31, 1953
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    2568474

    • Patent number 2,568,474
    • Issue date Sep 18, 1951
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    2449134

    • Patent number 2,449,134
    • Issue date Sep 14, 1948
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2408166

    • Patent number 2,408,166
    • Issue date Sep 24, 1946
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents