TREA

Christine D. Petersen

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  • Harlan, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hammer mill hammer
    • Patent number 8,342,435
    • Issue date Jan 1, 2013
    • Jacobs Corporation
    • Chad J. Plumb
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Hammer mill hammer
    • Patent number 8,104,177
    • Issue date Jan 31, 2012
    • Jacobs Corporation
    • Chad J. Plumb
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Apparatus for attaching hammers to a hammer mill
    • Patent number 7,419,109
    • Issue date Sep 2, 2008
    • Jacobs Corporation
    • Ron R. Ronfeldt
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

  • Information Patent Application

    Hammer Mill Hammer
    • Publication number 20120037737
    • Publication date Feb 16, 2012
    • Chad J. Plumb
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Hammer Mill Hammer
    • Publication number 20090321546
    • Publication date Dec 31, 2009
    • Chad J. Plumb
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC