TREA

Darin Grassmann

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  • Piedmont, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Extendable spool
    • Patent number 11,214,455
    • Issue date Jan 4, 2022
    • Oil States Energy Services, L.L.C.
    • Bob McGuire
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Universal atmospheric deployment device
    • Patent number 11,168,528
    • Issue date Nov 9, 2021
    • Oil States Energy Services, L.L.C.
    • Bob McGuire
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Extendable spool
    • Patent number 10,309,564
    • Issue date Jun 4, 2019
    • Oil States Energy Services, L.L.C.
    • Bob McGuire
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    UNIVERSAL ATMOSPHERIC DEPLOYMENT DEVICE
    • Publication number 20200277832
    • Publication date Sep 3, 2020
    • OIL STATES ENERGY SERVICES, L.L.C.
    • Bob McGuire
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    EXTENDABLE SPOOL
    • Publication number 20200148493
    • Publication date May 14, 2020
    • OIL STATES ENERGY SERVICES, L.L.C.
    • Bob McGuire
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL