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John E. Hey

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  • Spring, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Deep water knuckle boom crane
    • Patent number 9,463,963
    • Issue date Oct 11, 2016
    • National-Oilwell Varco, L.P.
    • John Hey
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Remote heave compensation system
    • Patent number 9,290,362
    • Issue date Mar 22, 2016
    • National-Oilwell Varco, L.P.
    • John E. Hey
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Self-balancing spreader beam
    • Patent number 9,284,161
    • Issue date Mar 15, 2016
    • National-Oilwell Varco, L.P.
    • John E. Hey
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    DEEP WATER KNUCKLE BOOM CRANE
    • Publication number 20160376132
    • Publication date Dec 29, 2016
    • National-Oilwell Varco, L.P.
    • John Hey
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    SELF-BALANCING SPREADER BEAM
    • Publication number 20150307328
    • Publication date Oct 29, 2015
    • National-Oilwell Varco, L.P.
    • John E. Hey
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    REMOTE HEAVE COMPENSATION SYSTEM
    • Publication number 20140166604
    • Publication date Jun 19, 2014
    • National-Oilwell Varco, L.P.
    • John E. Hey
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    DEEP WATER KNUCKLE BOOM CRANE
    • Publication number 20130168345
    • Publication date Jul 4, 2013
    • National-Oilwell Varco, L.P.
    • John Hey
    • B66 - HOISTING LIFTING HAULING