Patents by Inventor Ralf Max Kronenberg

Ralf Max Kronenberg 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).

  • Multipart plug-type connector
    Patent number: 7070356
    Abstract: A plug-in connector for hollow sections of spacer frames for insulating glass panes with two connector parts which can be plugged together. The connector parts have one of an essentially U-shaped and box-shaped cross section. The connector parts include side walls which are adjacent to each other in a plugged-together position of the two connector parts. A positive-locking connection is arranged on the connector parts and acts on all sides at the side walls.
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: July 4, 2006
    Inventors: Ralf Max Kronenberg, Max Kronenberg