Patents by Inventor David B. Bozoarth

David B. Bozoarth 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).

  • Method of strengthening polypropylene hose
    Patent number: 4545947
    Abstract: A method of treating polypropylene hose to increase its strength and durability is provided by flexing the hose through a plurality of 360 degree rotations while in a bent form to alternately axially compress and extend portions of the hose to increase the molecular alignment of the polypropylene.
    Type: Grant
    Filed: December 2, 1983
    Date of Patent: October 8, 1985
    Assignee: Whirlpool Corporation
    Inventors: David B. Bozoarth, William R. Rickel