Patents by Inventor STEVEN DRISCOLL

STEVEN DRISCOLL 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).

  • Patent number: 9885422
    Abstract: A check valve has a friction-free replaceable valve insert check assembly. The check assembly includes a poppet on which a spring is mounted engaging an axially moveable seat which in turn engages a seat on the inner end of the poppet biased into engagement by the spring. Upon separation of the inner and outer valve bodies the insert check assembly will freely separate from the valve body for inspection or replacement.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: February 6, 2018
    Assignee: International Valve Corporation
    Inventors: Steven Driscoll, Brian Strait, Mark A. Novak, Jason Marquardt
  • Publication number: 20170167619
    Abstract: A check valve has a friction-free replaceable valve insert check assembly. The check assembly includes a poppet on which a spring is mounted engaging an axially moveable seat which in turn engages a seat on the inner end of the poppet biased into engagement by the spring. Upon separation of the inner and outer valve bodies the insert check assembly will freely separate from the valve body for inspection or replacement.
    Type: Application
    Filed: December 15, 2015
    Publication date: June 15, 2017
    Inventors: STEVEN DRISCOLL, BRIAN STRAIT, MARK A. NOVAK, JASON MARQUARDT