Patents by Inventor Richard J. Klenke

Richard J. Klenke 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).

  • Grain drill with disk biasing means
    Patent number: 4031834
    Abstract: An improved grain drill having individually mounted disks with disk boots. Seed tubes are suspended between each disk and boot. The disks are mounted on disk arms. The disk arms are biased by coil springs which urge the disks into the ground surface. The tension applied by the coil spring on the disk can be increased by adjusting the spring disposed on an adjustable spring tension arm integrally attached to the disk arm.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: June 28, 1977
    Assignee: American Products, Inc.
    Inventor: Richard J. Klenke