Patents by Inventor John Owen Jones

John Owen Jones 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).

  • Fluid flow control valves
    Patent number: 4051865
    Abstract: A fluid flow control valve having a closure member movable by axial movement of a stem in which sealing means are provided between the valve body and a sleeve covering the part of the stem extending out of the valve body. Preferably the seal is a lip seal on a plastics sleeve secured to the body to provide an opening indicator and a lubricant reservoir.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: October 4, 1977
    Assignee: Saunders Valve Company Limited
    Inventors: Glyn Cocking, John Owen Jones