Patents by Inventor David Malcolm Finlayson

David Malcolm Finlayson 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).

  • Radial sealing surface system and method
    Patent number: 12644353
    Abstract: A metallic seal includes a first leg having a first sealing profile and a second leg having a second sealing profile. The metallic seal also includes an inner bore including a first inner diameter and a second inner diameter. The metallic seal further includes a first radial contact point, along the first sealing profile and a second radial contact point, along the second sealing profile, wherein the second radial contact point is a larger outer diameter of the seal than the first radial contact point.
    Type: Grant
    Filed: April 24, 2024
    Date of Patent: June 2, 2026
    Assignee: Vetco Gray, LLC
    Inventors: Joseph Shu Yian Liew, Mark James Bridges, Michael Shaw, Huy Hoang Nguyen, Duy Cong Nguyen, Durai Balaji Kamalasekaran, David Malcolm Finlayson, An Thi Khoi Bui
  • RADIAL SEALING SURFACE SYSTEM AND METHOD
    Publication number: 20250334021
    Abstract: A metallic seal includes a first leg having a first sealing profile and a second leg having a second sealing profile. The metallic seal also includes an inner bore including a first inner diameter and a second inner diameter. The metallic seal further includes a first radial contact point, along the first sealing profile and a second radial contact point, along the second sealing profile, wherein the second radial contact point is a larger outer diameter of the seal than the first radial contact point.
    Type: Application
    Filed: April 24, 2024
    Publication date: October 30, 2025
    Applicant: Vetco Gray, LLC
    Inventors: Joseph Shu Yian Liew, Mark James Bridges, Michael Shaw, Huy Hoang Nguyen, Duy Cong Nguyen, Durai Balaji Kamalasekaran, David Malcolm Finlayson, An Thi Khoi Bui