Patents by Inventor Ib H. Andersen

Ib H. Andersen 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).

  • Patent number: 4546727
    Abstract: A device for preventing or reducing emittance of odors from moisture-absorbent material to the environment whereby the moisture-absorbent material is intended for receiving animal excrements and urine. The device comprises an air stream generator which penetrates air streams through the moisture-absorbent material, and a bottom for supporting the moisture-absorbent material, the bottom having apertures through which air streams from the air stream generator pass before or after passing through the moisture-absorbent material.
    Type: Grant
    Filed: May 2, 1984
    Date of Patent: October 15, 1985
    Inventor: Ib H. Andersen