Patents by Inventor June E. Gnau, executrix

June E. Gnau, executrix 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 producing thermoelectric elements
    Patent number: 4717788
    Abstract: Thermoelectric elements of both P-type and N-type lead tellurides having unique characteristics including, particularly in the case of the P-type, a figure-of-merit 90% above that of the best commercial P-type element, are produced by a new process, involving as key steps chill casting, cold pressing and sintering to 85-90% theoretical density under protective atmosphere.
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: January 5, 1988
    Assignee: General Electric Company
    Inventors: Harry W. Rauch, Sr., Lewis H. Gnau, deceased, June E. Gnau, executrix
  • Thermoelectric elements
    Patent number: 4717789
    Abstract: Thermoelectric elements of both P-type and N-type lead tellurides having unique characteristics including, particularly in the case of the P-type, a figure-of-merit 90% above that of the best commercial P-type element, are produced by a new process involving as key steps chill casting, cold pressing and sintering to 85-90% theoretical density under protective atmosphere.
    Type: Grant
    Filed: December 6, 1984
    Date of Patent: January 5, 1988
    Assignee: General Electric Company
    Inventors: Harry W. Rauch, Sr., Lewis H. Gnau, deceased, June E. Gnau, executrix