Patents by Inventor Wilk A. Dickenson

Wilk A. Dickenson 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: 4874925
    Abstract: An electrically heated hose for providing heat only to the section of hose which contains an electrically conductive liquid therein includes a plurality of resistance heating elements positioned between inner and outer layers of electrically insulative material defining the hose wall and arranged to sectionalize the hose into individual independently heatable sections. Each heating element has a first terminal connected to a power source and a second terminal connected to at least one of a plurality of spaced electrically conductive members disposed on the inner layer and exposed to any electrically conductive liquid conveyed by the hose. A continuous electrical conductor exposed to any liquid in the hose extends along the entire length thereof in spaced relation to the plurality of conductive members and is connected the power source.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: October 17, 1989
    Inventor: Wilk A. Dickenson