Patents by Inventor Saul Guevara

Saul Guevara 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).

  • Seal assembly with mechanically joined anti-extrusion rings
    Patent number: 5879010
    Abstract: A seal assembly adapted for use in sealing two mating surfaces spaced apart by a gap is provided. The seal assembly includes a sealing element adapted to be located in a groove in one of the mating surfaces. A back-up ring assembly is provided which includes a first back-up ring made from a relatively soft material and a second back-up ring made from a relatively hard material. The first back-up ring includes a body with first and second sides, with one of a groove and an interlocking projection being located on the body along the second side. The second back-up ring includes a body with first and second sides, with the other of the groove and the interlocking projection being located along the first side.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: March 9, 1999
    Assignee: Green Tweed of Delaware, Inc.
    Inventors: Vinay K. Nilkanth, Paul E. Roberts, Saul Guevara, Romel R. Ner