Patents by Inventor Tanel Telliskivi

Tanel Telliskivi 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).

  • Metal seal
    Patent number: 9151133
    Abstract: Seal assembly (201) for a subsea well assembly with inner and outer circular sealing surfaces (215a, 215b) in an annulus (211). It has a seal ring (203) with a cross section exhibiting two legs (205a, 205b), with seal ring seal surfaces (209a, 209b). The seal ring comprises a main metal section (217) having metal with the same or higher degree of hardness than the metal in said facing circular sealing surfaces (215a, 215b). The seal ring seal surfaces comprise a seal ring surface metal (210a, 210b) which is of a softer metal than the metal in the circular sealing surfaces (215a, 215b) and the metal in the main metal section (217). The seal ring (203) comprises a second section (219) comprising said seal ring surface metal (210a, 210b), the second section (219) extending continuously between said seal ring seal surfaces (209a, 209b) on the respective legs.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: October 6, 2015
    Assignee: Aker Subsea AS
    Inventors: Tanel Telliskivi, André M. Smith, Birgir Amrén
  • METAL SEAL
    Publication number: 20120169013
    Abstract: Seal assembly (201) for a subsea well assembly with inner and outer circular sealing surfaces (215a, 215b) in an annulus (211). It has a seal ring (203) with a cross section exhibiting two legs (205a, 205b), with seal ring seal surfaces (209a, 209b). The seal ring comprises a main metal section (217) having metal with the same or higher degree of hardness than the metal in said facing circular sealing surfaces (215a, 215b). The seal ring seal surfaces comprise a seal ring surface metal (210a, 210b) which is of a softer metal than the metal in the circular sealing surfaces (215a, 215b) and the metal in the main metal section (217). The seal ring (203) comprises a second section (219) comprising said seal ring surface metal (210a, 210b), the second section (219) extending continuously between said seal ring seal surfaces (209a, 209b) on the respective legs.
    Type: Application
    Filed: October 14, 2010
    Publication date: July 5, 2012
    Inventors: André M. Smith, Birger Amrén, Tanel Telliskivi