Patents by Inventor Graham R. Herbert

Graham R. Herbert 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).

  • Portable water pump for use with swimming pools
    Patent number: 5624238
    Abstract: A portable water pump for use with swimming pools including a flotation collar having a recess formed therein. A circular aperture extends through the collar. The floatation collar is adapted for floating in a body of water. An engine is positionable within the recess of the floatation collar. A water pump is secured and operably coupled with the engine. The water pump has a water inlet and a water outlet. The water inlet has a pipe extending outwardly and downwardly therefrom through the circular aperture of the flotation collar.
    Type: Grant
    Filed: May 28, 1996
    Date of Patent: April 29, 1997
    Inventor: Graham R. Herbert