Patents by Inventor Raymond H. Egerdahl

Raymond H. Egerdahl 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).

  • Combined drop and broadcast spreader for granular material
    Patent number: 4712717
    Abstract: A combined drop and broadcast spreader for granular material is mountable on the implement of a front end loader. The spreader includes a hopper containing a plurality of discharge openings in the bottom. A rotatable impeller in the bottom forces the granular material from the openings during drop spreadings. A rotatable broadcast disc is coupled to the rear wall of the hopper for discharging granular material in an arc-like pattern. The hopper includes a hole with an auger supplying and metering granular material from the hopper to the broadcast disc. An auger-like agitator moves the granular material in the hopper to the hole.
    Type: Grant
    Filed: March 26, 1986
    Date of Patent: December 15, 1987
    Inventor: Raymond H. Egerdahl
  • Combined drop and broadcast spreader for granular material
    Patent number: 4588113
    Abstract: A combined drop and broadcast spreader for granular material is mountable on the implement of a front end loader. The spreader includes a hopper containing a plurality of discharge openings in the bottom. A rotatable impeller in the bottom forces the granular material from the openings during drop spreadings. A rotatable spreader means is coupled to the rear wall of the hopper for discharging granular material in an arc-like pattern. The rear of the hopper includes a door for selectively supplying granular material from the hopper to the spreader means for broadcast spreading.
    Type: Grant
    Filed: February 8, 1984
    Date of Patent: May 13, 1986
    Inventor: Raymond H. Egerdahl