Patents by Inventor Kenneth E. Arndt

Kenneth E. Arndt 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).

  • Water drive system for a center pivot irrigation unit or the like
    Patent number: 4127181
    Abstract: This is concerned with a water drive system for a center pivot irrigation system in which a string of pipe pivots in a circle or oscillates about a center pivot or upright with the pipe supported on towers at intervals and each tower being independently driven by a power mechanism which is operated by the pressure of the water in the string of pipe. It includes a mechanism to prevent one or more towers from rolling ahead on a downhill slope, a diaphragm valve arrangement for controlling the cycling of the drive, and an enlarged bellows or bladder for operating the water drive mechanism.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: November 28, 1978
    Assignee: Lindsay Manufacturing Company
    Inventors: Kenneth E. Arndt, Lonnie E. Otto, Jr., David A. Siekmeier
  • Water drive system for a center pivot irrigation unit or the like
    Patent number: 4074783
    Abstract: This is concerned with a water drive system for a center pivot irrigation system in which a string of pipe pivots in a circle or oscillates about a center pivot or upright with the pipe supported on towers at intervals and each tower being independently driven by a power mechanism which is operated by the pressure of the water in the string of pipe. It includes a mechanism to prevent one or more towers from rolling ahead on a downhill slope, a diaphragm valve arrangement for controlling the cycling of the drive, and an enlarged bellows or bladder for operating the water drive mechanism.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: February 21, 1978
    Assignee: Lindsay Manufacturing Company
    Inventors: Kenneth E. Arndt, Lonnie E. Otto, Jr., David A. Siekmeier