Patents by Inventor Kurtis D. Kleis

Kurtis D. Kleis 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).

  • Reverse pressure tolerant seal means
    Patent number: 5813674
    Abstract: A seal assembly 18 for blocking the leakage of fluid between a first region 26 and a second region 28 is disclosed. Various construction details are developed for improving the sealing capability under operative conditions which cause a severe reverse pressure gradient across the seal assembly. In one particular embodiment, the seal assembly includes a seal 36 having a front 88 which faces the first region and a pair of sidewalls 92, 94 which extend from the front and are urged apart by a spring means 96.
    Type: Grant
    Filed: August 10, 1993
    Date of Patent: September 29, 1998
    Assignee: United Technologies Corporation
    Inventors: Paul A. Dickie, Kurtis D. Kleis, Michael A. Mike