Patents by Inventor Vernon O. Ramsower

Vernon O. Ramsower 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: 5058667
    Abstract: A reciprocating pump for pumping water uses a displacement plunger which operates with a seal in the middle of a cylinder within which it reciprocates. A portion of the water flows from above the plunger and a portion of the water flows from below the plunger through an annulus between the cylinder and a housing. The valves are all rings concentric with the axis of the plunger, cylinder, and housing.
    Type: Grant
    Filed: November 20, 1990
    Date of Patent: October 22, 1991
    Inventor: Vernon O. Ramsower