Patents by Inventor W. Ray Thornley

W. Ray Thornley 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: 4550554
    Abstract: An auger cutter, windrower, and conditioner for standing crops such as hay, including a cutting auger with cutting teeth on the peripheral edge of the auger flight and a conveyor auger to move cut crop to a central area to be discharged as a double windrow.
    Type: Grant
    Filed: January 3, 1984
    Date of Patent: November 5, 1985
    Assignee: Ezra C. Lundahl, Inc.
    Inventors: E. Cordell Lundahl, James G. Wiser, W. Ray Thornley, Laurel H. Jensen
  • Patent number: 4507910
    Abstract: An automatic height control system for a header on a farm implement is disclosed wherein the height of the header is continuously controlled in response to the height of the crop on which the header is operating. The top of the crop is detected by sonar detection units, and appropriate electronic and electromechanical means are provided for controlling the height of the header in response to signals from the sonar detection units.
    Type: Grant
    Filed: November 21, 1983
    Date of Patent: April 2, 1985
    Assignee: Ezra C. Lundahl, Inc.
    Inventors: W. Ray Thornley, James G. Wiser, E. Cordell Lundahl