Patents by Inventor Kurt Larsson

Kurt Larsson 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).

  • Patent number: 5649723
    Abstract: A coupling device for releasable and sealing connection to a tubular, externally threaded connector part. The device includes internally threaded segments which can swing radially to enable the coupling device to be connected to and released from the connector part. An axially movable sleeve is mounted concentrically around the segments and can be moved over the segments between a forward position in which the sleeve brings the threaded segments into meshing engagement with the threads of the connector part, and a rear position in which the segments are able to swing out so as to release the engagement. The segments and the sleeve also include mutually coacting means which, when in engagement with one another, limit the possibility of relative rotational movement in one direction between the segments and the sleeve.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: July 22, 1997
    Assignee: AGA Aktiebolag
    Inventor: Kurt Larsson
  • Patent number: D407145
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: March 23, 1999
    Assignee: AGA AB
    Inventors: Peter Nordgren, Jon-Karl Sundh, Kurt Larsson