Patents by Inventor Irvin How Jiun YUEN

Irvin How Jiun YUEN 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).

  • Patent number: 11371303
    Abstract: A downhole tractor for operational use in well casing of a wellbore. The tractor comprising a tractor body, at least one actuator assembly, and at least one tractor wheel. The actuator assembly is actionable to shift the axis of rotation of the tractor wheel. The at least one tractor wheel includes at least one bifurcated tract having a leading and trailing edge for engaging the well casing. The at least one actuator assembly causes the at least one tractor wheel to switch from traversing a first vertical plane of the well casing to a second vertical plane of the well casing when actuated.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: June 28, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Simon Whye Kwong Wai, Irvin How Jiun Yuen
  • Publication number: 20210355774
    Abstract: A downhole tractor for operational use in well casing of a wellbore. The tractor comprising a tractor body, at least one actuator assembly, and at least one tractor wheel. The actuator assembly is actionable to shift the axis of rotation of the tractor wheel. The at least one tractor wheel includes at least one bifurcated tract having a leading and trailing edge for engaging the well casing. The at least one actuator assembly causes the at least one tractor wheel to switch from traversing a first vertical plane of the well casing to a second vertical plane of the well casing when actuated.
    Type: Application
    Filed: February 1, 2019
    Publication date: November 18, 2021
    Inventors: Simon Whye Kwong WAI, Irvin How Jiun YUEN