Patents by Inventor Harold Moore, Jr.

Harold Moore, Jr. 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).

  • Downhole pump
    Patent number: 4173451
    Abstract: An improved downhole pump includes a pump body connected to the lower end of tubing extending inside a well. Pumping is effected below the standing valve by a plunger reciprocating within a slidable barrel. In one embodiment, the ported barrel is magnetically responsive to stroking of the plunger to define a closed volume on the upstroke and a vented volume on the downstroke, whereby gas lock is eliminated. In another embodiment, the barrel is mechanically responsive to the plunger.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: November 6, 1979
    Assignee: Reserve Oil, Inc.
    Inventor: Harold Moore, Jr.