Patents by Inventor Heath Gregory Folk

Heath Gregory Folk 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).

  • Plunger Pump, Plunger, and Method of Manufacturing Plunger Pump
    Publication number: 20150132157
    Abstract: A plunger pump includes a pump fluid end having a fluid chamber and a suction bore, discharge bore, and plunger bore in communication with the fluid chamber. A plunger is arranged to reciprocate into and out of the fluid chamber through the plunger bore. The plunger has a plunger body with an inner cavity and an insert disposed in the inner cavity such that the combined stiffness of the insert and plunger body is greater than the stiffness of the plunger body. A crank mechanism is coupled to the plunger and operable to reciprocate the plunger.
    Type: Application
    Filed: November 11, 2013
    Publication date: May 14, 2015
    Applicant: National Oilwell Varco, L.P.
    Inventors: Jason Neal Whaley, Manuel Moeller, Heath Gregory Folk