Patents by Inventor Roger L. Freeman

Roger L. Freeman 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).

  • Mobile pump system
    Patent number: 4616979
    Abstract: This invention relates to a self-contained mobile pump system for pumping water from irrigation ditches and the like. The pump system is hydraulically controlled for extending, retracting, and angling the pump system to accommodate various pumping positions and water levels.
    Type: Grant
    Filed: June 29, 1983
    Date of Patent: October 14, 1986
    Assignee: Atlantic Hydrodynamics, Inc.
    Inventors: Maurice A. Hynes, Roger L. Freeman