Patents by Inventor Brian D. Carr

Brian D. Carr 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).

  • Well plunger and plunger seal for a plunger lift pumping system
    Publication number: 20080283236
    Abstract: A plunger for a plunger lift system of an oil and/or gas well for use in lifting a fluid out of a well bore. The plunger includes a generally cylindrical elongated plunger body with an upper and a lower end, wherein the lower end includes a thermoset tubular seal member, preferably a composite seal member adapted to slidingly contact the well bore and aid in the extraction of fluids from the well during plunger lift.
    Type: Application
    Filed: May 16, 2007
    Publication date: November 20, 2008
    Inventors: Timothy J. Akers, Brian D. Carr