Patents by Inventor William D. Long, Jr.

William D. Long, 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).

  • Refractory resistance terminal
    Patent number: 4003014
    Abstract: A sleeve of in-situ-solidified-from-melt material, such as a lead glass or the like, surrounds an end segment of a refractory resistance element extending from a junction between a metal supporting member and the end of the element. The solidified-from-melt material is formed not to adversely react with the refractory element and has a coefficient of linear expansion within the range from about 0.5 to 1.5 times the coefficient of linear expansion of the refractory material.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: January 11, 1977
    Assignee: Robertshaw Controls Company
    Inventors: Charles D. Branson, William D. Long, Jr.