Patents by Inventor Louise F. van Staden

Louise F. van Staden 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).

  • Downhole tools including bearings and methods of forming same
    Patent number: 9290997
    Abstract: Bearings for downhole tools including a first bearing member and a second bearing member, at least one of the first and second bearing members having a channel formed therein. Methods of cooling bearings of downhole tools comprise flowing a fluid within a channel formed in at least one bearing member. Heat is transferred from at least the at least one bearing member to the fluid. The fluid is flowed away from the at least one bearing member.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: March 22, 2016
    Assignees: Baker Hughes Incorporated, Element Six Limited
    Inventors: Alejandro Flores, Aaron J. Dick, Chih C. Lin, John F. Bradford, Louise F. van Staden, Gregory B. Swanepoel, Clement D. van der Riet, Siu-Wah Wai, Dragan Vukovic, Klaus Tank
  • BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEARINGS, AND METHODS OF COOLING SUCH BEARINGS
    Publication number: 20140301679
    Abstract: Bearings for downhole tools including a first bearing member and a second bearing member, at least one of the first and second bearing members having a channel formed therein. Methods of cooling bearings of downhole tools comprise flowing a fluid within a channel formed in at least one bearing member. Heat is transferred from at least the at least one bearing member to the fluid. The fluid is flowed away from the at least one bearing member.
    Type: Application
    Filed: June 23, 2014
    Publication date: October 9, 2014
    Inventors: Alejandro Flores, Aaron J. Dick, Chih C. Lin, John F. Bradford, Louise F. van Staden, Gregory B. Swanepoel, Clement D. van der Riet, Siu-Wah Wai, Dragan Vukovic, Klaus Tank
  • Bearings for downhole tools, downhole tools incorporating such bearings, and methods of cooling such bearings
    Patent number: 8834026
    Abstract: Bearings for downhole tools including a first bearing member and a second bearing member, at least one of the first and second bearing members having a channel formed therein. Methods of cooling bearings of downhole tools comprise flowing a fluid within a channel formed in at least one bearing member. Heat is transferred from at least the at least one bearing member to the fluid. The fluid is flowed away from the at least one bearing member.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: September 16, 2014
    Assignee: Baker Hughes Incorporated
    Inventors: Alejandro Flores, Aaron J. Dick, Chih Lin, John F. Bradford, Louise F. van Staden, Gregory B. Swanepoel, Clement D. van der Riet, Siu-Wah Wai, Dragan Vukovic, Klaus Tank
  • BEARINGS FOR DOWNHOLE TOOLS, DOWNHOLE TOOLS INCORPORATING SUCH BEARINGS, AND METHODS OF COOLING SUCH BEARINGS
    Publication number: 20120080230
    Abstract: Bearings for downhole tools including a first bearing member and a second bearing member, at least one of the first and second bearing members having a channel formed therein. Methods of cooling bearings of downhole tools comprise flowing a fluid within a channel formed in at least one bearing member. Heat is transferred from at least the at least one bearing member to the fluid. The fluid is flowed away from the at least one bearing member.
    Type: Application
    Filed: September 30, 2011
    Publication date: April 5, 2012
    Applicants: ELEMENT SIX LIMITED, BAKER HUGHES INCORPORATED
    Inventors: Alejandro Flores, Aaron J. Dick, Chih Lin, John F. Bradford, Louise F. van Staden, Gregory B. Swanepoel, Clement D. van der Riet, Siu-Wah Wai, Dragan Vukovic, Klaus Tank