Patents by Inventor Laughlin B. Patrick

Laughlin B. Patrick 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).

  • Metering fuel pump
    Patent number: 4830576
    Abstract: A metering fuel pump adapted for feeding fuel containing vapor or air to an engine that includes a housing assembly. The metering fuel pump further includes a motor section encased inside the housing assembly for providing the required rotary motion to a two-stage pump section. The speed of the motor section is controlled by a motor controller section that provides a voltage regulated flow of fuel. The two-stage pump section imparts pressure to the fuel and encloses a cyclonic vapor separator section.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: May 16, 1989
    Assignee: Dukes, Inc.
    Inventor: Laughlin B. Patrick