Patents by Inventor Vincent J. Zumbahlen

Vincent J. Zumbahlen 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).

  • Livestock self-feeder
    Patent number: 4582023
    Abstract: A livestock self-feeder includes a main feed storage hopper supplying feed to a retaining area in which the height of feed is constant and independent of the amount of feed in the main hopper. The feed is then dispensed from the retaining hopper through an adjustable feed gate.
    Type: Grant
    Filed: November 14, 1984
    Date of Patent: April 15, 1986
    Assignee: Zumbahlen Equipment Company
    Inventors: Dennis J. Zumbahlen, Vincent J. Zumbahlen, Cary L. Sizelove, Sr., William J. Dietrich, Sr.
  • Tiller planter with modified seed bed finishing implement
    Patent number: 4212254
    Abstract: A tractor-drawn machine adapted to perform tilling, seed bed preparation, and planting in a single operation, comprises a frame from which plow units, a reel unit, a seed bed finishing implement and seed planting units are mounted seriatim. The attitude of the frame may be adjusted during operation in that the operator of the tractor is able to independently adjust the elevation of both the front of the frame and the rear of the frame.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: July 15, 1980
    Inventor: Vincent J. Zumbahlen
  • Tiller planter with modified soil leveling and pulverizing unit
    Patent number: 4180005
    Abstract: A tractor-drawn machine adapted to perform tilling, seed bed preparation, and planting in a single operation, comprises a frame from which plow units, a soil leveling and pulverizing unit, a seed bed finishing implement and seed planting units are mounted seriatim. The attitude of the frame may be adjusted during operation in that the operator of the tractor is able to independently adjust the elevation of both the front of the frame and the rear of the frame.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: December 25, 1979
    Inventor: Vincent J. Zumbahlen
  • Combined apparatus for tilling and planting
    Patent number: 4048929
    Abstract: A tractor-drawn machine adapted to perform tilling, seedbed preparation, and planting in a single operation, comprises a frame from which plow units, a reel unit, a roller unit and seed planting units are mounted seriatim. The attitude of the frame may be adjusted during operation in that the operator of the tractor is able to independently adjust the elevation of both the front of the frame and the rear of the frame.
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: September 20, 1977
    Inventor: Vincent J. Zumbahlen