Patents by Inventor Dennis C. Wright

Dennis C. Wright 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).

  • Slide gate valve for dry bulk discharging containers
    Patent number: 4509717
    Abstract: A slide gate valve assembly is provided wherein resilient means exert positive pressure to force a solid slide gate against the periphery of an aperture to establish a tight seal for retaining dry bulk particulate material in a container. Cam means are provided in the assembly to release the positive pressure on the side gate which may thereupon be removed from the aperture to dump the contents from the container.
    Type: Grant
    Filed: March 14, 1983
    Date of Patent: April 9, 1985
    Assignee: Elkem Metals Company
    Inventors: Dennis C. Wright, Ernest J. Camodeca