Patents by Inventor David Casucci

David Casucci 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).

  • Bellows seal having balanced, de-coupled seal ring and seal ring shell
    Patent number: 5901965
    Abstract: A balanced, de-coupled seal assembly for use in a bellows seal having a mating rotating seal assembly, wherein the seal is used for sealing a process fluid along a rotatable shaft extending from a machine body. The seal assembly includes a seal ring, a seal ring shell mating with and de-coupled from the seal ring, and a flexible O-ring between the seal ring and the seal ring shell. The O-ring is provided at a location so to balance the seal ring and seal ring shell under both normal and reverse pressure conditions and to prevent the process fluid from leaking between the seal ring and the seal ring shell.
    Type: Grant
    Filed: February 28, 1997
    Date of Patent: May 11, 1999
    Inventors: Yoram Ringer, David Casucci