Patents by Inventor William E. Phillips

William E. Phillips 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: 4521166
    Abstract: An air pump includes a number of inflatable chambers forming a closed container which defines a pumping chamber. The container is fitted with one-way inlet and outlet valves to effectuate the pumping operation. In one embodiment, the container is cylindrical with seven to nine longitudinal air chambers forming the walls of the chamber. The ends of the cylindrical container are fitted with the inlet and outlet valves. Also disclosed is a method of making and of using such a pump.
    Type: Grant
    Filed: April 28, 1982
    Date of Patent: June 4, 1985
    Inventor: William E. Phillips