Patents by Inventor Joseph W. Schaffer, SR.

Joseph W. Schaffer, SR. 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).

  • Concave with adjustable openings
    Patent number: 11497171
    Abstract: A concave section for a harvester includes a concave body having an upstream side, a downstream side, a leading end and a trailing end. The concave body defines an arcuate crop engagement face facing radially inwardly. A plurality of crop passage openings are defined through the arcuate crop engagement face. A cover is configured to at least partially cover at least some of the crop passage openings. The cover is carried by the concave body and is movable thereon between at least two different positions to adjust a degree of openness of at least some of the crop passage openings.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: November 15, 2022
    Assignee: Kondex Corporation
    Inventors: Andrew J. Theisen, Keith A. Johnson, Neal J. Stoffel, Joseph W. Schaffer, Sr.
  • CONCAVE WITH ADJUSTABLE OPENINGS
    Publication number: 20190387681
    Abstract: A concave section for a harvester is provided. The concave section includes a concave body having an upstream side, a downstream side, a leading end and a trailing end. The concave body defines an arcuate crop engagement face facing radially inwardly. A plurality of crop passage openings are defined through the arcuate crop engagement face. A cover is configured to at least partially cover at least some of the crop passage openings. The cover is carried by the concave body and is movable thereon between at least two different positions to adjust a degree of openness of at least some of the crop passage openings.
    Type: Application
    Filed: May 16, 2019
    Publication date: December 26, 2019
    Applicant: Kondex Corporation
    Inventors: Andrew J. Theisen, Keith A. Johnson, Neal J. Stoffel, Joseph W. Schaffer, SR.