With extension to facilitate removal

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid valve and a single shaft-sealing module thereof

    • Patent number 9,863,552
    • Issue date Jan 9, 2018
    • JDV Control Valves Co., Ltd
    • Andy Fan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3809114

    • Patent number 3,809,114
    • Issue date May 7, 1974
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3540654

    • Patent number 3,540,654
    • Issue date Nov 17, 1970
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2981281

    • Patent number 2,981,281
    • Issue date Apr 25, 1961
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2688976

    • Patent number 2,688,976
    • Issue date Sep 14, 1954
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2667889

    • Patent number 2,667,889
    • Issue date Feb 2, 1954
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2200770

    • Patent number 2,200,770
    • Issue date May 14, 1940
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2132199

    • Patent number 2,132,199
    • Issue date Oct 4, 1938
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2116770

    • Patent number 2,116,770
    • Issue date May 10, 1938
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1785138

    • Patent number 1,785,138
    • Issue date Dec 16, 1930
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1572033

    • Patent number 1,572,033
    • Issue date Feb 9, 1926
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    850740

    • Patent number 850,740
    • Issue date Apr 16, 1907
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    560114

    • Patent number 560,114
    • Issue date May 12, 1896
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    451518

    • Patent number 451,518
    • Issue date May 5, 1891
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    444047

    • Patent number 444,047
    • Issue date Jan 6, 1891
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    430081

    • Patent number 430,081
    • Issue date Jun 10, 1890
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    424715

    • Patent number 424,715
    • Issue date Apr 1, 1890
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    242243

    • Patent number 242,243
    • Issue date May 31, 1881
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    209913

    • Patent number 209,913
    • Issue date Nov 12, 1878
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    192062

    • Patent number 192,062
    • Issue date Jun 19, 1877
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    181483

    • Patent number 181,483
    • Issue date Aug 22, 1876
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    168551

    • Patent number 168,551
    • Issue date Oct 11, 1875
    • G05 - CONTROLLING REGULATING