Patents by Inventor Kenneth F. Tulloch

Kenneth F. Tulloch 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: 5654034
    Abstract: A semiconductor protection tube is a ceramic tube with a layer of silicon carbide covering at least a portion of the tube adjacent an open front end of the tube and extending forward of the open end to form a hollow, closed-end tip. The protection tube is formed by providing the ceramic tube, inserting a mandrel through the tube to extend forward of the front end, and depositing silicon carbide by chemical vapor deposition over at least a front portion of the ceramic tube and over the forward-extending portion of the mandrel. Subsequent removal of the mandrel completes the production of the protection tube.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: August 5, 1997
    Assignee: CVD, Incorporated
    Inventors: Kenneth F. Tulloch, Lee E. Burns, Hemant D. Desai, Raymond L. Taylor
  • Patent number: 5618594
    Abstract: A semiconductor protection tube is a ceramic tube with a layer of silicon carbide covering at least a portion of the tube adjacent an open front end of the tube and extending forward of the open end to form a hollow, closed-end tip. The protection tube is formed by providing the ceramic tube, inserting a mandrel through the tube to extend forward of the front end, and depositing silicon carbide by chemical vapor deposition over at least a front portion of the ceramic tube and over the forward-extending portion of the mandrel. Subsequent removal of the mandrel completes the production of the protection tube.
    Type: Grant
    Filed: April 13, 1995
    Date of Patent: April 8, 1997
    Assignee: CVD, Incorporated
    Inventors: Kenneth F. Tulloch, Lee E. Burns, Hemandt D. Desai, Raymond L. Taylor