Patents by Inventor Al Van Den Berghe

Al Van Den Berghe 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).

  • Automatic closure for a container
    Patent number: 5348200
    Abstract: A closure system for a container which is capable of being manufactured as a single integrated unit. The closure system includes a bellows member which carries a closure member between a closed position and an open position.
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: September 20, 1994
    Inventor: Al Van Den Berghe
  • Closure system for a container employing a bellows member
    Patent number: 5240154
    Abstract: A closure system for a container which is capable of being manufactured as a single integrated unit. The closure system includes a bellows member which carries a closure member between a closed position and an open position relative to a port element on the container.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: August 31, 1993
    Inventor: Al Van Den Berghe