Patents by Inventor Jerry N. Knoll

Jerry N. Knoll 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).

  • Cementing skid with recirculating mixer
    Patent number: 4158510
    Abstract: A machinery skid unit comprising a machinery skid frame including a plurality of longitudinal frame members, cross-members mounted thereon and extending outwardly therefrom and a plurality of members secured to said longitudinal frame members in a horizontal plane below the cross-members. The machinery skid unit further comprises a plurality of engines, a plurality of positive displacement type pumps, a recirculating mixing system, a supply pump, and a recirculating pump.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: June 19, 1979
    Assignee: Halliburton Company
    Inventors: Lance G. Smith, Jerry N. Knoll