Patents by Inventor Jan R. Andersson

Jan R. Andersson 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).

  • Seal for screw caps
    Patent number: 4596339
    Abstract: A seal for screw caps for bottles or the like, including a breakable sealing ring on the screw cap adapted to engage a radially projecting collar on the bottle neck. The sealing ring consists of a number of peripherally separate flat or plate-like portions interconnected by means of bridge portions and is joined with the remaining part of the screw cap by means of tongues joining ends of the flat or plate-like portions adjacent the screw cap and the edge of said screw cap.
    Type: Grant
    Filed: January 23, 1985
    Date of Patent: June 24, 1986
    Inventor: Jan R. Andersson