TREA

David N. Chon

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  • Baltimore, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hammer for use in shredders having replaceable pin holes
    • Patent number 5,440,795
    • Issue date Aug 15, 1995
    • The Babcock & Wilcox Company
    • David N. Chon
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Hammer for use in shredders having replaceable pin holes
    • Patent number 5,381,975
    • Issue date Jan 17, 1995
    • The Babcock & Wilcox Company
    • David N. Chon
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Replaceable tip hammer
    • Patent number 5,381,976
    • Issue date Jan 17, 1995
    • The Babcock & Wilcox Company
    • David N. Chon
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Downdraft shredder
    • Patent number 5,381,972
    • Issue date Jan 17, 1995
    • The Babcock & Wilcox Company
    • David N. Chon
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Disc screen separator device
    • Patent number 4,871,073
    • Issue date Oct 3, 1989
    • National Ecology, Inc.
    • John R. Berry
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING