Patents by Inventor Orville J. Diedrich

Orville J. Diedrich 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).

  • Mechanism for cleaning subfloor of livestock confinement unit
    Patent number: 4354593
    Abstract: A mechanism for cleaning floors of animal waste including a scraper adapted to be pulled across the floor by cables having a drive mechanism with novel safety and reversing controls. The blade also uses novel pivoted legs to raise the scraper off the floor while it is returned to its starting point.
    Type: Grant
    Filed: March 18, 1981
    Date of Patent: October 19, 1982
    Inventor: Orville J. Diedrich