Patents by Inventor Preston Marsh

Preston Marsh 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: 4548314
    Abstract: A bucket elevator including a bucket having a bottom wall and an integral, upwardly-extending rear wall. The bottom wall includes a longitudinal slot therein which receives one of a plurality of links of an endless link chain. A shield is provided to cover each link to inhibit product being conveyed from passing between laterally-spaced side bars of the link.
    Type: Grant
    Filed: April 25, 1983
    Date of Patent: October 22, 1985
    Inventor: Preston Marsh
  • Patent number: 4085573
    Abstract: Farm crop pick-up apparatus including a rotary pick-up assembly for lifting crop off the ground and an eccentrically mounted rotary stripper drum for stripping the crop from the pick-up assembly as the pick-up assembly and stripper drum rotate. The pick-up assembly is rotatably mounted on a shaft including a portion disposed internally of the drum mounting tines which protrude through the drum along the lower and forward portions of the drum and which retract along the upper and rearward portions of the drum so that the crop is stripped from the tines. The pick-up assembly shaft is driven from one end and the drum includes an annular mounting sleeve driven from the opposite end.
    Type: Grant
    Filed: April 8, 1976
    Date of Patent: April 25, 1978
    Inventor: Preston Marsh