Patents by Inventor Per Johan Petersson

Per Johan Petersson 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).

  • Publication number: 20190234822
    Abstract: A system is provided for facilitating the removal/replacement components in a high pressure process fluid system and includes a retrieval plug having a first end portion disposed within a first cavity of a process fluid conduit and a second end disposed within a second cavity of a blind flange, the first cavity exposed to the pressure environment of the process fluid, and a cap disposed between the blind flange and the second end portion of the access plug. The access plug is configured to transfer an indicated pressure from the first end portion to the second end portion and the cap is configured to transfer the indicated pressure to a pressure measurement sensor disposed remotely of the access plug.
    Type: Application
    Filed: October 6, 2017
    Publication date: August 1, 2019
    Inventors: Christian Nomme, Christopher Grinde, Per Johan Petersson, Bjørn Erik Seeberg