Patents by Inventor Hugh C. Leiper

Hugh C. Leiper 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).

  • Apparatus and a process for treating waste
    Patent number: 4210680
    Abstract: This invention is directed to a process and to apparatus, and has a two-fold purpose for decreasing pollution due to waste and also for converting the waste into an animal feed for cattle, sheep, hogs and fowl such as chickens. The waste, comprising manure, is treated so as to be converted into a feed which can be fed to a bos thereby being recycled so as to lessen pollution from a bos. Also, cellulose based materials may be processed according to these teachings to make an animal feed.
    Type: Grant
    Filed: January 15, 1973
    Date of Patent: July 1, 1980
    Assignee: Herds, Inc.
    Inventors: Gaynor W. Dawson, Hugh C. Leiper, Arthur T. Brix