By-pass cleaning

Patents Grantslast 30 patents

  • Information Patent Grant

    Flush control valve core assembly

    • Patent number 8,499,781
    • Issue date Aug 6, 2013
    • Shanghai Kohler Electronics, Ltd.
    • Sean Jing
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reduced water hammer control valve

    • Patent number 5,738,138
    • Issue date Apr 14, 1998
    • The Horton Company
    • Jordan Bryce Grunert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Diaphragm-type pilot valve having a self-cleaning control orifice

    • Patent number 5,456,279
    • Issue date Oct 10, 1995
    • Recurrent Solutions Limited Partnership
    • Natan E. Parsons
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Self-cleaning slurry metering valve

    • Patent number 5,357,995
    • Issue date Oct 25, 1994
    • Hoechst Celanese Corporation
    • Gerald V. King
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
  • Information Patent Grant

    Metering valve

    • Patent number 5,295,654
    • Issue date Mar 22, 1994
    • The Chicago Faucet Company
    • Daniel J. Laube
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and apparatus for temporarily sealing off pipelines

    • Patent number 5,285,806
    • Issue date Feb 15, 1994
    • Public Service Company of Colorado
    • Daniel A. Ortega
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Debris arrestor for valve bleed hole

    • Patent number 5,027,850
    • Issue date Jul 2, 1991
    • The Toro Company
    • Gerald E. Peterson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Solar heating method and apparatus

    • Patent number 4,105,042
    • Issue date Aug 8, 1978
    • Franklin K. Johnston
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3620244

    • Patent number 3,620,244
    • Issue date Nov 16, 1971
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3592223

    • Patent number 3,592,223
    • Issue date Jul 13, 1971
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3550614

    • Patent number 3,550,614
    • Issue date Dec 29, 1970
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3400731

    • Patent number 3,400,731
    • Issue date Sep 10, 1968
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3167060

    • Patent number 3,167,060
    • Issue date Jan 26, 1965
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3056420

    • Patent number 3,056,420
    • Issue date Oct 2, 1962
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2989983

    • Patent number 2,989,983
    • Issue date Jun 27, 1961
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2955204

    • Patent number 2,955,204
    • Issue date Oct 4, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2923314

    • Patent number 2,923,314
    • Issue date Feb 2, 1960
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2622610

    • Patent number 2,622,610
    • Issue date Dec 23, 1952
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2497223

    • Patent number 2,497,223
    • Issue date Feb 14, 1950
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2398089

    • Patent number 2,398,089
    • Issue date Apr 9, 1946
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2187768

    • Patent number 2,187,768
    • Issue date Jan 23, 1940
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2127649

    • Patent number 2,127,649
    • Issue date Aug 23, 1938
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2102076

    • Patent number 2,102,076
    • Issue date Dec 14, 1937
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2084030

    • Patent number 2,084,030
    • Issue date Jun 15, 1937
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2024270

    • Patent number 2,024,270
    • Issue date Dec 17, 1935
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2016397

    • Patent number 2,016,397
    • Issue date Oct 8, 1935
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1959955

    • Patent number 1,959,955
    • Issue date May 22, 1934
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1925412

    • Patent number 1,925,412
    • Issue date Sep 5, 1933
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1808989

    • Patent number 1,808,989
    • Issue date Jun 9, 1931
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1689540

    • Patent number 1,689,540
    • Issue date Oct 30, 1928
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents