TREA

Douglas Scott

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  • Grosse Ile, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Elevator counterweight signaling system
    • Patent number 11,104,544
    • Issue date Aug 31, 2021
    • Steven P. Wurth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    False car device
    • Patent number 10,988,346
    • Issue date Apr 27, 2021
    • Steven P. Wurth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    False car device
    • Patent number 10,294,076
    • Issue date May 21, 2019
    • Wurtec, Incorporated
    • Steven P. Wurth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Guide rail straightness tester
    • Patent number 9,816,796
    • Issue date Nov 14, 2017
    • Wurtec, Incorporated
    • Steven P. Wurth
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    FALSE CAR DEVICE
    • Publication number 20190225459
    • Publication date Jul 25, 2019
    • Wurtec, Incorporated
    • Steven P. Wurth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Elevator Counterweight Signaling System
    • Publication number 20180179020
    • Publication date Jun 28, 2018
    • Wurtec, Incorporated
    • Steven P. Wurth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    False Car Device
    • Publication number 20170050822
    • Publication date Feb 23, 2017
    • Wurtec Elevator Products & Services
    • Steven P. Wurth
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    GUIDE RAIL STRAIGHTNESS TESTER
    • Publication number 20160102962
    • Publication date Apr 14, 2016
    • Wurtec Elevator Products & Services
    • Steven P. Wurth
    • G01 - MEASURING TESTING