Patents by Inventor Leroy J. Seffrood

Leroy J. Seffrood 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).

  • Forage press
    Patent number: 4236444
    Abstract: A forage press is disclosed for use in injecting forage or other feed material into an elongated flexible horizontal forage receptacle or silo. The forage press includes an injection chamber for introducing material into the forage receptacle and a press wheel which presses the material through the injection chamber into the receptacle. The press wheel is formed in a circular shape and includes a plurality of sectors each of which is formed at a canted angle so as to press the forage material into the injection chamber as the press wheel is rotationally driven by an external source of power.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: December 2, 1980
    Inventor: Leroy J. Seffrood