Patents by Inventor Theodore E. Shrode

Theodore E. Shrode 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).

  • Flow-controlled one-way valve
    Patent number: 5967178
    Abstract: An improved one-way valve consisting of a valve body containing a valve chamber with at least two surfaces and having first and second fluid ports each communicating with a respective one of said surfaces, and a flat valve member loosely located within said valve chamber and movable by fluid forces within said chamber into and out of a position to block fluid flow from said valve chamber through said first fluid port.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: October 19, 1999
    Inventor: Theodore E. Shrode