Patents by Inventor Lynn E. Kaufman

Lynn E. Kaufman 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).

  • Farrowing pen
    Patent number: 4227486
    Abstract: A sanitary animal stall comprising a slatted floor structure, a generally Y-shaped trough communicating with the floor, an overlay mating with said Y-shaped trough. A method of flushing an animal pen comprising confining the animals on a slatted floor; providing a Y-shaped trough structure below and communicating with the floor; and lining the trough with a rigid and discrete overlay wherein the overlay has a very low coefficient of friction such that animal waste moves readily relative to the overlay.
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: October 14, 1980
    Inventors: Lynn E. Kaufman, Jay S. Kaufman