Patents by Inventor Dan Salkhai Ang

Dan Salkhai Ang 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 perforating gun system and methods of manufacture, assembly and use
    Patent number: 11867032
    Abstract: A downhole perforating gun system provides wireless electrical communication between an inner body conductor, a switch, a detonator, and a feedthrough. In this way, the construction of the perforating gun system is simplified and the assembly process is faster, more efficient, and more reliable.
    Type: Grant
    Filed: June 3, 2022
    Date of Patent: January 9, 2024
    Assignee: SWM INTERNATIONAL, LLC
    Inventors: David C. Parks, Dan Salkhai Ang
  • Systems and apparatus for increasing the outer diameter of a downhole tool string and methods of assembly and use thereof
    Patent number: 11828115
    Abstract: Systems, apparatus and methods useful for increasing the outer diameter of a tool string at a desired location in the tool string involve a spacer tool having a mandrel releasably engageable with at least one other tool of the tool string and a gauge ring distinct from and releasably, non-threadably engageable with the mandrel. The gauge ring extends radially outwardly from the mandrel to provide the spacer tool with a maximum outer diameter that is greater than the maximum outer diameter of at least one other tool in the tool string.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: November 28, 2023
    Assignee: SWM International, LLC
    Inventors: Leslie Alan Thomas, Dan Salkhai Ang