TREA

Christopher Lindgren

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  • Los Angeles, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Check valve with nylon cage insert
    • Patent number 10,550,950
    • Issue date Feb 4, 2020
    • Black Gold Pump & Supply, Inc.
    • Michael Bair
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Downhole valve with cage inserts
    • Patent number 10,184,314
    • Issue date Jan 22, 2019
    • Black Gold Pump & Supply, Inc.
    • Michael Bair
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Check Valve with Nylon Cage Insert
    • Publication number 20190120397
    • Publication date Apr 25, 2019
    • Black Gold Pump and Supply, Inc.
    • Michael Baer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...