Patents by Inventor Thomas E. Dentzau

Thomas E. Dentzau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Material collecting/removal apparatus
    Patent number: 5287586
    Abstract: A waste collecting/removal apparatus having a bin with a forward waste outlet opening, a rearward air flow inlet, a plurality of adjustable inclined louvres spaced from the bottom of the bin and an air flow plenum below the louvres to cause air flow between the louvres to move the waste material in the bin upwardly and forwardly toward the outlet opening.
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: February 22, 1994
    Assignee: Waldorf Corporation
    Inventor: Thomas E. Dentzau