Patents by Inventor R. A. Ekstrom, Jr.

R. A. Ekstrom, Jr. 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: 4529869
    Abstract: This disclosure relates to a portable instrument for inducing heat into an object. The instrument includes an enclosure that fastens to and at least partially encloses the object, an electrical power source fastened to the enclosure and including a variable power supply for passing heating current through the enclosure and thereby heating the object, and a thermocouple for sensing the temperature of the object.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: July 16, 1985
    Inventor: R. A. Ekstrom, Jr.