Patents by Inventor Constantino Riccitelli

Constantino Riccitelli 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: 4669739
    Abstract: A seal assembly for sealing a rotatable shaft to a housing includes a flexible bellows member and a removeable insert which are sealed against each other along complementary tapered sealing surfaces. A rigid restraint is located in the flexible bellows member so as to be isolated from corrosive fluid contained by the bellows to stabilize the sealing area of the sealing surfaces and prevent expansion in that area.
    Type: Grant
    Filed: September 26, 1986
    Date of Patent: June 2, 1987
    Assignee: EG&G Sealol, Inc.
    Inventor: Constantino Riccitelli