Patents by Inventor Gaynor W. Dawson

Gaynor W. Dawson 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
  • Method for lake restoration
    Patent number: 4134831
    Abstract: A process for removing pollutants or minerals from lake, river or ocean sediments or from mine tailings is disclosed. Magnetically attractable collection units containing an ion exchange or sorbent media with an affinity for a chosen target substance are distributed in the sediments or tailings. After a period of time has passed sufficient for the particles to bind up the target substances, a magnet drawn through the sediments or across the tailings retrieves the units along with the target substance.
    Type: Grant
    Filed: February 7, 1977
    Date of Patent: January 16, 1979
    Assignee: Battelle Memorial Institute
    Inventors: Gaynor W. Dawson, Basil W. Mercer