Patents by Inventor Mark A. Knapp

Mark A. Knapp 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).

  • Annular gasket with locking structure
    Patent number: 6367802
    Abstract: A locking annular gasket, for providing a seal between a tubular member and a smooth annular section, includes an annular gasket portion and a locking member. The annular gasket portion seals a gap between the smooth annular section and the tubular member. The locking member is secured to the gasket portion for holding the gasket portion in place while the tubular member and the smooth annular section are assembled.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: April 9, 2002
    Assignee: Malcolm Mann Inc.
    Inventor: Mark A. Knapp