Patents by Inventor Nathaniel Oliver

Nathaniel Oliver 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).

  • Anti-friction sealing rings
    Patent number: 12698829
    Abstract: Systems and methods are provided for a sealing element arranged in a ring groove of a piston assembly to seal against the ring groove at a first interface and to seal against a bore of a cylinder, in which the piston assembly is arranged, at a second interface. A feature of the sealing element is arranged at the first interface for reducing friction between the sealing element and the ring groove. The second interface is without a liquid lubricant or oil during operation.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: August 4, 2026
    Assignee: Mainspring Energy, Inc.
    Inventors: Nathaniel Oliver, Matthew Svrcek, Rucha Bedarkar
  • SEALING RING ASSEMBLY WITH SPRING ELEMENT
    Publication number: 20260078822
    Abstract: A sealing ring assembly that includes a plurality of segments that forms a seal against a bore of a cylinder. Each pair of adjacent ring segments of the plurality of ring segments are coupled by a respective flexure therebetween. Each respective flexure causes a radially outward force to cause a respective radially outward surface of respective pairs of the adjacent ring segments to seal against a bore of a cylinder and a tangential force to be applied to the sealing ring assembly.
    Type: Application
    Filed: September 15, 2025
    Publication date: March 19, 2026
    Inventors: Christopher Edward Wolfe, Nathaniel Oliver, Jeffrey Harris Mishler, Matthew Svrcek, Kevin Ting Chan, Arnab Jyoti Ghosh, Burak Yunus Cetin
  • ANTI-FRICTION SEALING RINGS
    Publication number: 20250092951
    Abstract: Systems and methods are provided for a sealing element arranged in a ring groove of a piston assembly to seal against the ring groove at a first interface and to seal against a bore of a cylinder, in which the piston assembly is arranged, at a second interface. A feature of the sealing element is arranged at the first interface for reducing friction between the sealing element and the ring groove. The second interface is without a liquid lubricant or oil during operation.
    Type: Application
    Filed: July 28, 2022
    Publication date: March 20, 2025
    Inventors: Nathaniel Oliver, Matthew Svrcek, Rucha Bedarkar