Patents by Inventor David Alexander Cole

David Alexander Cole 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).

  • Crimping tool
    Patent number: 5887330
    Abstract: A pressing tool for fastening a seal 6 in a groove 5 of a support body is a rotatable holder 12 carrying ball rollers 22. A lip 4 forms a wall of the groove 5. The ball rollers are moved in a circular path along the lip 4 to press the lip 4 so as to grip the seal 6 in the groove 5.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: March 30, 1999
    Assignee: Dowty Seals Limited
    Inventors: David Alexander Cole, Richard Mervyn Everett