Patents by Inventor Robert Newkirk

Robert Newkirk 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).

  • TORQUE REDUCING VALVE SEAT
    Publication number: 20180149278
    Abstract: A valve seat includes an annular sealing surface comprising a rubber-lubricant mixture; and a seat body. A valve includes a valve body; a valve element disposed within the valve body; and a valve seat comprising a rubber-lubricant mixture, the valve element configured to seal against the valve seat. A method for forming a valve seat includes mixing a raw rubber with a lubricant to form a rubber-lubricant mixture; placing the rubber-lubricant mixture into a mold configured to form a valve seat; and curing the rubber-lubricant mixture.
    Type: Application
    Filed: November 29, 2016
    Publication date: May 31, 2018
    Inventors: Ashraf Abouelleil, Purushottam Savalia, Robert Newkirk