Patents by Inventor Hideyuki Shimomura

Hideyuki Shimomura 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).

  • Valve seal structure
    Publication number: 20040124393
    Abstract: A valve seal structure enabling the replacement of a metal seal ring, comprising a main body, a metal seat ring prepared separately from the main body to seal a flow channel of the main body, a set ring assembling the metal ring seat to the main body at the periphery of the flow channel in a detachable manner, a first elastomeric ring sheet to seal the boundary between the metal seal ring and the main body and a second ring sheet to seal the boundary between the metal seat ring and the set ring.
    Type: Application
    Filed: September 30, 2003
    Publication date: July 1, 2004
    Applicant: Okumura Engineering Corp.
    Inventor: Hideyuki Shimomura