Patents by Inventor Gerard C. Dupoty

Gerard C. Dupoty 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).

  • Method for installing an elevator inside a building, and assembly jigs used therefor
    Patent number: 5014822
    Abstract: The present invention relates to a method of assembling an elevator within a building and the assembly jigs used therefor. According to this method, assembly jigs (1) including pre-positioned elevator elements such as rails, doors, counterweight and electrical conduit are positioned successively in a support shaft. These elements are secured without any other adjustment to the support shaft and the jig is then removed.
    Type: Grant
    Filed: July 26, 1989
    Date of Patent: May 14, 1991
    Assignee: Otis Elevator Company
    Inventors: Jean-Claude Chapelain, Patrice P. Masson, Gerard C. Dupoty, Gerard Crenn, Cloux, Jean-Noel