Patents by Inventor Michael Gopner

Michael Gopner 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).

  • Elevator system
    Patent number: 5375682
    Abstract: An elevator system for conveying persons and/or loads has at least two elevators arranged in separate elevator shafts immediately next to each other. The counterweights of at least two elevators are arranged in one elevator shaft and the elevator in the other elevator shaft has a size which is adapted to the cross-sectional area of the elevator shaft.
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: December 27, 1994
    Inventor: Michael Gopner