Patents by Inventor Andy C. Pilkington

Andy C. Pilkington 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).

  • Elastomer coated lip seal
    Patent number: 4818620
    Abstract: A lip seal having enhanced shock loading capabilities includes a rigid case member coated with an elastomeric material. A composite annular sealing lip having a bonding portion formed of an elastomeric material and a contact portion formed of polytetrafluoroethylene is bonded to the case member such that a shock absorbing elastomer to adhesive to elastomer interface is formed between the sealing lip and the case coating.
    Type: Grant
    Filed: June 22, 1988
    Date of Patent: April 4, 1989
    Assignee: Mather Seal Company
    Inventor: Andy C. Pilkington