Patents by Inventor Jon TØNNESSEN

Jon TØNNESSEN 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).

  • SWIVEL
    Publication number: 20230120732
    Abstract: A fluid swivel (100) comprising a first part (100a) and a second part (100b) configured to mutually rotate about a common center axis (A). The swivel (100) has a central bore (101) configured to accommodate a fluid to be transported through the fluid swivel (100). A central member (12) is arranged in the central bore (101), and the center axis (A) extend through the central member. A hydraulic line (43, 53) extends from the first part (100a) to the second part (100b) through the central member (12).
    Type: Application
    Filed: April 6, 2021
    Publication date: April 20, 2023
    Applicant: MacGregor Norway AS
    Inventors: Frode ALFSEN, Stig André Kittelsen NYGÅRD, Jon TØNNESSEN