Patents by Inventor Richard E. Arbuthnot

Richard E. Arbuthnot 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).

  • Gasket with reinforcing core
    Patent number: 5193822
    Abstract: A gasket comprises a peripheral loop of sheet metal encased in an elastomeric material, the core being locally thickened, preferably in the vicinity of fixing screws by lateral projections from the stamping which are folded over to double the thickness, and the double thickness is then joggled to distribute the thicker portions symmetrically of the single sheet portion, the thickened portion then being closed to control the dimensions more accurately and tend to lock the edges together.
    Type: Grant
    Filed: April 24, 1991
    Date of Patent: March 16, 1993
    Assignee: Jamak Fabrication Europe, Ltd.
    Inventors: Gerard Bonell, Richard E. Arbuthnot