Patents by Inventor Ralph E. Hardin

Ralph E. Hardin 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).

  • Seal assembly for sealing relatively movable components
    Patent number: 10215281
    Abstract: Disclosed herein is a seal assembly for sealing a gap between a first component and a second component is disclosed. The second component is movable relative to the first component. The seal assembly includes a rub strip and a seal strip. The rub strip includes a seal strip engagement surface having a convex shape. Additionally, the rub strip includes a first component engagement surface that is opposite the seal strip engagement surface and has a concave shape. The seal strip includes a rub strip engagement surface having a convex shape. Furthermore, the seal strip includes a second component engagement surface that is opposite the rub strip engagement surface and has a concave shape. The seal strip engagement surface is harder than the rub strip engagement surface.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: February 26, 2019
    Assignee: The Boeing Company
    Inventors: Charuhas M. Soman, Keith Townsend, Eric D. Blohm, Richard B. Tanner, Mark J. Herzberg, Ralph E. Hardin
  • SEAL ASSEMBLY FOR SEALING RELATIVELY MOVABLE COMPONENTS
    Publication number: 20170321804
    Abstract: Disclosed herein is a seal assembly for sealing a gap between a first component and a second component is disclosed. The second component is movable relative to the first component. The seal assembly includes a rub strip and a seal strip. The rub strip includes a seal strip engagement surface having a convex shape. Additionally, the rub strip includes a first component engagement surface that is opposite the seal strip engagement surface and has a concave shape. The seal strip includes a rub strip engagement surface having a convex shape. Furthermore, the seal strip includes a second component engagement surface that is opposite the rub strip engagement surface and has a concave shape. The seal strip engagement surface is harder than the rub strip engagement surface.
    Type: Application
    Filed: May 4, 2016
    Publication date: November 9, 2017
    Inventors: Charuhas M. Soman, Keith Townsend, Eric D. Blohm, Richard B. Tanner, Mark J. Herzberg, Ralph E. Hardin