Patents by Inventor Anne E. Covington

Anne E. Covington 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).

  • Barrier material for gel sealant-cable jacket interface
    Patent number: 4889717
    Abstract: This invention provides a foam barrier which prevents substantial migration of plasticizer from a plasticized polymeric article, such as a PVC cable jacket, into a gel sealing material in contact with the article and prevents substantial migration of oil from the gel material into the article while not significantly interfering with the sealing contact between the gel material and the surface of the article.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: December 26, 1989
    Assignee: Raychem Corporation
    Inventors: Anne E. Covington, Thomas A. Hunter, Keith Dawes