Patents by Inventor Eugene E. Stamper

Eugene E. Stamper 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).

  • Barrel pump
    Patent number: 4403926
    Abstract: A barrel pump having a handle attached to a freely rotatable ring-like member carried on the head portion of the pump whereby the handle can be freely swiveled in relation to the head portion to enable the handle to be positioned at substantially any angle with relation to the spout of the pump.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: September 13, 1983
    Assignee: Witco Chemical Corporation
    Inventor: Eugene E. Stamper
  • Variable stroke fluid lubricant dispenser
    Patent number: 4168787
    Abstract: A head assembly for a fluid lubricant dispenser including a piston cavity having inlet and outlet ports disposed near the bottom of the cavity. The inlet and outlet ports are controlled by check valves that function oppositely and simultaneously to allow the flow of lubricant in one direction. The location of the inlet port and the use of a check valve in conjunction with the inlet port allows for effective operation of the lubricant dispenser with any appreciable movement of the piston via the operative lever mechanism.
    Type: Grant
    Filed: November 18, 1977
    Date of Patent: September 25, 1979
    Assignee: Superior, Inc.
    Inventor: Eugene E. Stamper