Patents by Inventor Loyd R. Kern

Loyd R. Kern 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 for reducing power loss associated with electrical heating of a subterranean formation
    Patent number: 4010799
    Abstract: Method for reducing the loss of power accompanying the transmission of electrical energy down a wellbore to heat a subterranean formation via electrical conduction between a plurality of wells completed therein, characterized by providing a low frequency alternating current to the conductors in the wellbore. Also disclosed are specific embodiments of the invention.
    Type: Grant
    Filed: September 15, 1975
    Date of Patent: March 8, 1977
    Assignees: Petro-Canada Exploration Inc., Imperial Oil Limited, Canada-Cities Service, Ltd.
    Inventors: Loyd R. Kern, Thomas K. Perkins