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Donald J. Grzina

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  • O'Fallon, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Forming tools having textured surfaces
    • Patent number 9,844,809
    • Issue date Dec 19, 2017
    • Ford Global Technologies, LLC
    • Zhiyong Cedric Xia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forming tools having textured surfaces
    • Patent number 9,321,090
    • Issue date Apr 26, 2016
    • Ford Global Technologies, LLC
    • Zhiyong Cedric Xia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Cutting tools with textured surfaces
    • Patent number 9,144,845
    • Issue date Sep 29, 2015
    • The Boeing Company
    • Donald J. Grzina
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Calibration system for a deburring tool
    • Patent number 8,495,903
    • Issue date Jul 30, 2013
    • The Boeing Company
    • Hieu Trung Le
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Vacuum-mounted clamp
    • Patent number 7,677,542
    • Issue date Mar 16, 2010
    • The Boeing Company
    • Donald J. Grzina
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    FORMING TOOLS HAVING TEXTURED SURFACES
    • Publication number 20160199899
    • Publication date Jul 14, 2016
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • ZHIYONG CEDRIC XIA
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Forming Tools Having Textured Surfaces
    • Publication number 20130291613
    • Publication date Nov 7, 2013
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Zhiyong Cedric Xia
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Vacuum-mounted clamp
    • Publication number 20070044293
    • Publication date Mar 1, 2007
    • The Boeing Company
    • Donald J. Grzina
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Automated drill process for two-diameter holes in multi-layer varia...
    • Publication number 20060010689
    • Publication date Jan 19, 2006
    • Ali Salour
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...