Osvaldo Quiroz Venegas

Person

  • Santiago, CL

Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical seal

    • Patent number 9,593,777
    • Issue date Mar 14, 2017
    • Vulco S.A.
    • Ricardo Abarca Melo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical seal with improved seal assembly

    • Patent number 9,249,885
    • Issue date Feb 2, 2016
    • Vulco, S.A.
    • Ricardo Abarca Melo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Adjustable mechanical seal

    • Patent number 9,206,906
    • Issue date Dec 8, 2015
    • Vulco, S.A.
    • Ricardo Abarca Melo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical seal

    • Patent number 8,753,079
    • Issue date Jun 17, 2014
    • Vulco S.A.
    • Ricardo Abarca Melo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL SEAL

    • Publication number 20140356160
    • Publication date Dec 4, 2014
    • Ricardo Abarca Melo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Adjustable mechanical seal

    • Publication number 20120134799
    • Publication date May 31, 2012
    • ZTE CORPORATION
    • Ricardo Abarca Melo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Mechanical Seal With Improved Seal Assembly

    • Publication number 20120107115
    • Publication date May 3, 2012
    • Ricardo Abarca Melo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Mechanical Seal

    • Publication number 20120099984
    • Publication date Apr 26, 2012
    • Ricardo Abarca Melo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...