Patents by Inventor James W. Bowman

James W. Bowman 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).

  • Patent number: 5140922
    Abstract: A lift is placeable in a waterbody for a watercraft having a water intake port and a water drawing device for drawing water through the water intake port. The lift includes a tank. The tank has an interior and an exterior, with the interior including a chamber. The tank also has an upper surface configured for receiving the watercraft, and a water inflow port and a selectively actuable valve for permitting water to flow into the chamber. A water outflow port is provided which is configured to be matable with the water intake port. The water intake port of the watercraft can be mated with the water outflow port of the tank to permit the water drawing device of the watercraft to draw water out of the tank.
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: August 25, 1992
    Assignee: James W. Bowman
    Inventors: James W. Bowman, George T. Simpson, Paul A. Simpson