Patents by Inventor Randy Pustanyk

Randy Pustanyk 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).

  • Bearing assembly
    Patent number: 9303686
    Abstract: A bearing assembly has a bearing chamber, an inner mandrel having a first load bearing shoulder and an outer housing having an second load bearing shoulder. The first and second load bearing shoulders are opposed and are within the bearing chamber. Seals retain a bearing lubricant within the bearing chamber. A cylindrical stack of bearings are positioned between the first and second load bearing shoulders. Each row of bearings has an inner race supporting the first load bearing shoulder and an outer race supporting the second load bearing shoulder. The bearing assembly may be incorporated into a downhole tool. The downhole tool may continue to be operated after the seals fail by flowing a working fluid through the bearings.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: April 5, 2016
    Assignee: Cathedral Energy Services Ltd.
    Inventors: Dean Foote, Randy Pustanyk
  • BEARING ASSEMBLY
    Publication number: 20120275736
    Abstract: A bearing assembly has a bearing chamber, an inner mandrel having a first load bearing shoulder and an outer housing having an second load bearing shoulder. The first and second load bearing shoulders are opposed and are within the bearing chamber. Seals retain a bearing lubricant within the bearing chamber. A cylindrical stack of bearings are positioned between the first and second load bearing shoulders. Each row of bearings has an inner race supporting the first load bearing shoulder and an outer race supporting the second load bearing shoulder. The bearing assembly may be incorporated into a downhole tool. The downhole tool may continue to be operated after the seals fail by flowing a working fluid through the bearings.
    Type: Application
    Filed: April 30, 2012
    Publication date: November 1, 2012
    Inventors: Dean Foote, Randy Pustanyk