Patents by Inventor Paul P. Su

Paul P. Su 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).

  • Combined plug and sealing ring for sprinkler nozzle and related methods
    Publication number: 20110272167
    Abstract: A combined plug and sealing ring for a sprinkler nozzle includes a nozzle plug having a substantially cylindrical portion adapted to engage within a nozzle orifice of a sprinkler nozzle, and a cap overlaying the substantially cylindrical portion. A sealing ring is adapted to seat onto a threaded pipe fitting portion of the sprinkler nozzle. A leash interconnects the nozzle plug and the sealing ring. A combined plug and sealing ring in combination with a sprinkler nozzle, and a method of installing a sprinkler nozzle in a highly corrosive or extremely corrosive environment are also disclosed.
    Type: Application
    Filed: May 25, 2011
    Publication date: November 10, 2011
    Applicant: FM Global Technotogies
    Inventors: John Harrington, Paul P. Su, David Fuller