Patents by Inventor Robert R. Biesemeyer

Robert R. Biesemeyer 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).

  • Patent number: 5249633
    Abstract: A field breaking or tilling implement. The implement is mounted or located at a lower end of a shank which is adapted to be drawn behind a tractor. At the lower forward end of the shank is located a chisel point adapted to be pulled through the soil at a position just below a sub-surface hard pan soil layer. Extending rearwardly from the shank is a plow extension which mounts a plow member in spaced relation from the shank. The plow member is located directly behind the chisel, and serves to lift and break the soil. A method of tilling is also disclosed in which a plow member is pulled through the soil directly behind a chisel member.
    Type: Grant
    Filed: May 18, 1992
    Date of Patent: October 5, 1993
    Inventor: Robert R. Biesemeyer