Patents by Inventor Rod Westergaard

Rod Westergaard 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).

  • Multiple-pattern tree shaking mechanism
    Patent number: 4409782
    Abstract: A shaker head including three eccentric weights rotatably mounted on a common shaft is carried by a tractor. A mechanism for manipulating the shaker head allows the user to engage the trunk or limbs of a tree having fruit, nuts or the like ready to be harvested. The eccentric weights are driven by various combinations of motors and sheaves to impart a plurality of distinct shaking patterns to the tree.
    Type: Grant
    Filed: January 20, 1982
    Date of Patent: October 18, 1983
    Assignees: Westech Hydraulics, Tenneco West
    Inventors: Rod Westergaard, Lou Morton, Ken Zeiders