Patents by Inventor Bernard D. Laybourne

Bernard D. Laybourne 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).

  • Jet pump with integral pressure regulator
    Patent number: 4408961
    Abstract: A combined pressure regulator and jet pump includes a valve member and cooperating nozzle defining member which are coaxial and independently movable. Both members are responsive to the difference in upstream and downstream pressures and each member will move relative to the other in response to a predetermined pressure difference. The relative movement between the nozzle defining and valve members will not interrupt the pumping action resulting from fluid flow through the variable area nozzle formed by these members.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: October 11, 1983
    Assignee: Chandler Evans, Inc.
    Inventor: Bernard D. Laybourne