Patents by Inventor Dale Hockley

Dale Hockley 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).

  • Stuffing box apparatus
    Patent number: 7931078
    Abstract: A stuffing box apparatus for sealing between a polish rod in a hydrocarbon production well comprises a tubular housing arranged for connection to the well which has a bore therethrough to receive the polish rod. Sealing members are supported in the bore of the housing in an upper stack and a lower stack of smaller outer diameter separated by an intermediate bushing. An upper bushing compresses the upper stack against the intermediate bushing. The lower bushing fixes the lower stack against the bottom of the intermediate bushing. Each of the bushings includes a counter bore formed at one end which receives a wiper member arranged for sealing engagement between the bushing and the polish rod.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: April 26, 2011
    Assignee: Scope Production Developments Ltd.
    Inventors: Barton Toporowski, Dale Hockley, Perry Bateman
  • Stuffing Box Apparatus
    Publication number: 20090211750
    Abstract: A stuffing box apparatus for sealing between a polish rod in a hydrocarbon production well comprises a tubular housing arranged for connection to the well which has a bore therethrough to receive the polish rod. Sealing members are supported in the bore of the housing in an upper stack and a lower stack of smaller outer diameter separated by an intermediate bushing. An upper bushing compresses the upper stack against the intermediate bushing. The lower bushing fixes the lower stack against the bottom of the intermediate bushing. Each of the bushings includes a counter bore formed at one end which receives a wiper member arranged for sealing engagement between the bushing and the polish rod.
    Type: Application
    Filed: February 23, 2009
    Publication date: August 27, 2009
    Inventors: Barton Toporowski, Dale Hockley, Perry Bateman