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Greg Drzewiecki

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  • Woodstock, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automated pig launching system
    • Patent number 11,028,958
    • Issue date Jun 8, 2021
    • WeldFit Corporation
    • Russ C. Sander
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Automated pig launching system
    • Patent number 9,976,686
    • Issue date May 22, 2018
    • WeldFit Corporation
    • Russ C. Sander
    • B08 - CLEANING
  • Information Patent Grant

    Torque multiplier for valve turning machine
    • Patent number 8,851,121
    • Issue date Oct 7, 2014
    • Illlinois Tool Works Inc.
    • Scott Ferrar
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Automated Pig Launching System
    • Publication number 20180306373
    • Publication date Oct 25, 2018
    • WeldFit Corporation
    • Russ C. Sander
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Automated Pig Launching System
    • Publication number 20160169436
    • Publication date Jun 16, 2016
    • WeldFit Corporation
    • Russ C. Sander
    • B08 - CLEANING
  • Information Patent Application

    Torque Multiplier for Valve Turning Machine
    • Publication number 20120138830
    • Publication date Jun 7, 2012
    • Illinois Tool Works Inc.
    • Scott Ferrar
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...