Patents by Inventor Frederick M. Hart

Frederick M. Hart 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).

  • Multi-angle pinion and gear power transmission
    Patent number: 4567783
    Abstract: A power transmission is disclosed, including a single input pinion or worm and multiple gears and output shafts associated therewith such that two of the latter shafts are at right angles to one another, or any other angle other than parallel. In an alternate embodiment, two worms are formed on one input shaft, with one or more gears meshing with each worm, producing multiple outputs at two different speeds.
    Type: Grant
    Filed: February 14, 1983
    Date of Patent: February 4, 1986
    Assignee: Ex-Cell-O Corporation
    Inventor: Frederick M. Hart