Patents by Inventor Joseph A Hedges

Joseph A Hedges 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).

  • Booster assembly for gate valves
    Patent number: 10969018
    Abstract: A booster assembly includes a booster body configured to removably couple to an actuator body of an actuator of a gate valve, a booster stem configured to removably couple to an actuator stem of the actuator, and a booster biasing member configured to provide a supplemental force to supplement an actuating force applied by the actuator to drive a gate of the gate valve from an open position to a closed position.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: April 6, 2021
    Assignee: Cameron International Corporation
    Inventors: Delbert Edwin Vanderford, Stuart Robinson, Joseph A Hedges
  • BOOSTER ASSEMBLY FOR GATE VALVES
    Publication number: 20190128427
    Abstract: A booster assembly includes a booster body configured to removably couple to an actuator body of an actuator of a gate valve, a booster stem configured to removably couple to an actuator stem of the actuator, and a booster biasing member configured to provide a supplemental force to supplement an actuating force applied by the actuator to drive a gate of the gate valve from an open position to a closed position.
    Type: Application
    Filed: October 30, 2017
    Publication date: May 2, 2019
    Inventors: Delbert Edwin Vanderford, Stuart Robinson, Joseph A Hedges