for plugs with cylindrical surfaces

Patents Grantslast 30 patents

  • Information Patent Grant

    Plug valve assembly

    • Patent number 11,732,814
    • Issue date Aug 22, 2023
    • SPM Oil & Gas Inc.
    • James D. McPhail
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Grease system for high pressure plug valves

    • Patent number 11,255,446
    • Issue date Feb 22, 2022
    • BlueCore Completions, LLC
    • Travis Harrel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    O-ring lubrication system

    • Patent number 10,738,897
    • Issue date Aug 11, 2020
    • GP Companies, Inc.
    • David Ted Fick
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Plug valve and methods

    • Patent number 10,247,314
    • Issue date Apr 2, 2019
    • TECH ENERGY PRODUCTS, L.L.C.
    • Todd Roberts
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Plug valve and methods

    • Patent number 9,897,223
    • Issue date Feb 20, 2018
    • TECH ENERGY PRODUCTS, L.L.C.
    • Todd Roberts
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lubricated plug valve

    • Patent number 6,675,825
    • Issue date Jan 13, 2004
    • Dixie Iron Works, Ltd.
    • Scott A. Reeves
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary valve having a fluid bearing

    • Patent number 5,901,737
    • Issue date May 11, 1999
    • Ran Yaron
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Diverter valve assembly and method

    • Patent number 4,635,674
    • Issue date Jan 13, 1987
    • Peter Bajka
    • E04 - BUILDING
  • Information Patent Grant

    Lubricated plug valve

    • Patent number 4,601,307
    • Issue date Jul 22, 1986
    • Jandy Industries
    • Bruce R. Johnson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lubricated split plug valve

    • Patent number 4,450,854
    • Issue date May 29, 1984
    • Vapor Corporation
    • William H. Alexander
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lubricated split plug valve

    • Patent number 4,393,893
    • Issue date Jul 19, 1983
    • Vapor Corporation
    • William H. Alexander
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3030975

    • Patent number 3,030,975
    • Issue date Apr 24, 1962
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3009472

    • Patent number 3,009,472
    • Issue date Nov 21, 1961
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2982296

    • Patent number 2,982,296
    • Issue date May 2, 1961
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2965123

    • Patent number 2,965,123
    • Issue date Dec 20, 1960
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2891566

    • Patent number 2,891,566
    • Issue date Jun 23, 1959
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2881785

    • Patent number 2,881,785
    • Issue date Apr 14, 1959
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2868221

    • Patent number 2,868,221
    • Issue date Jan 13, 1959
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2844162

    • Patent number 2,844,162
    • Issue date Jul 22, 1958
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2786484

    • Patent number 2,786,484
    • Issue date Mar 26, 1957
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2699798

    • Patent number 2,699,798
    • Issue date Jan 18, 1955
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2685299

    • Patent number 2,685,299
    • Issue date Aug 3, 1954
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2647720

    • Patent number 2,647,720
    • Issue date Aug 4, 1953
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2646960

    • Patent number 2,646,960
    • Issue date Jul 28, 1953
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2630294

    • Patent number 2,630,294
    • Issue date Mar 3, 1953
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2628808

    • Patent number 2,628,808
    • Issue date Feb 17, 1953
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2616657

    • Patent number 2,616,657
    • Issue date Nov 4, 1952
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2591031

    • Patent number 2,591,031
    • Issue date Apr 1, 1952
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2572894

    • Patent number 2,572,894
    • Issue date Oct 30, 1951
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2568935

    • Patent number 2,568,935
    • Issue date Sep 25, 1951
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Plug Valve Assembly

    • Publication number 20230119815
    • Publication date Apr 20, 2023
    • SPM OIL & GAS INC.
    • James D. McPhail
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    O-RING LUBRICATION SYSTEM

    • Publication number 20190249783
    • Publication date Aug 15, 2019
    • GP Companies, Inc.
    • David Ted Fick
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PLUG VALVE AND METHODS

    • Publication number 20180142797
    • Publication date May 24, 2018
    • TECH ENERGY PRODUCTS, L.L.C.
    • Todd Roberts
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Rotary Valve for Industrial Fluid Flow Control

    • Publication number 20090065724
    • Publication date Mar 12, 2009
    • MITTON VALVE TECHNOLOGY INC.
    • Michael Jon Mitton
    • B24 - GRINDING POLISHING