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Patricio D. Alvarez

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  • Rosenberg, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary shaft sealing assembly
    • Patent number 8,505,924
    • Issue date Aug 13, 2013
    • Kalsi Engineering, Inc.
    • Lannie L. Dietle
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary shaft sealing assembly
    • Patent number 7,798,496
    • Issue date Sep 21, 2010
    • Kalsi Engineering, Inc.
    • Lannie L. Dietle
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flexible wedge gate valve
    • Patent number 6,338,469
    • Issue date Jan 15, 2002
    • Kalsi Engineering, Inc.
    • Manmohan Singh Kalsi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flexible wedge gate valve
    • Patent number 5,657,961
    • Issue date Aug 19, 1997
    • Kalsi Engineering, Inc.
    • Manmohan Singh Kalsi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Turbine pump ring for drilling heads
    • Patent number 5,305,839
    • Issue date Apr 26, 1994
    • MASX Energy Services Group, Inc.
    • Manmohan S. Kalsi
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Nonconducting thread lubricant
    • Patent number 4,613,443
    • Issue date Sep 23, 1986
    • NL Industries, Inc.
    • M. Vikram Rao
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Expanding gate valve with position responsive interlock
    • Patent number 4,334,666
    • Issue date Jun 15, 1982
    • ACF Industries, Incorporated
    • Patricio D. Alvarez
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Expanding gate valve
    • Patent number 4,291,862
    • Issue date Sep 29, 1981
    • ACF Industries, Incorporated
    • Patricio D. Alvarez
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gate valve seat having a flexible front lip face seal
    • Patent number 4,208,035
    • Issue date Jun 17, 1980
    • ACF Industries, Incorporated
    • Patricio D. Alvarez
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gate valve with position responsive interlock
    • Patent number 4,188,014
    • Issue date Feb 12, 1980
    • ACF Industries, Incorporated
    • Patricio D. Alvarez
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metallic seat construction for valves
    • Patent number 4,124,194
    • Issue date Nov 7, 1978
    • ACF Industries, Incorporated
    • Patricio D. Alvarez
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY SHAFT SEALING ASSEMBLY
    • Publication number 20110006484
    • Publication date Jan 13, 2011
    • KALSI ENGINEERING, INC.
    • Lannie L. Dietle
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Rotary shaft sealing assembly
    • Publication number 20050093246
    • Publication date May 5, 2005
    • Lannie L. Dietle
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...