Patents by Inventor Rickard Helmersson

Rickard Helmersson 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).

  • Remotely releasable connections at a floating processing plant
    Patent number: 4660496
    Abstract: In an arrangement including remotely releasable couplings for riser conduits between the sea floor and a floating plant processing crude oil and/or gas, the couplings are located in at least one chamber below the water line of the plant. This chamber is closed towards the atmosphere and provided with at least one downwardly directed opening communicating with the surrounding water. Structure is provided for governing the air pressure in the chamber, which is accessible through an air lock.
    Type: Grant
    Filed: July 30, 1985
    Date of Patent: April 28, 1987
    Assignee: Gotaverken Arendal AB
    Inventor: Rickard Helmersson