Patents by Inventor Robert G. Pearse

Robert G. Pearse 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).

  • Float controlled hydraulic leveler
    Patent number: 3945391
    Abstract: A hydraulic controller is disclosed which includes a housing assembly hermetically enclosing a hydraulic fluid, conduits for transporting hydraulic fluid into and out of the housing assembly, a valve control assembly for regulating the hydraulic fluid in selected conduits and a float unit for activating the valve control assembly.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: March 23, 1976
    Assignee: Microtork, Inc.
    Inventor: Robert G. Pearse