Patents by Inventor Christoph Durand

Christoph Durand 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 door system
    Patent number: 8448751
    Abstract: An elevator door system includes an elevator car having a front face defining a door opening. At least one elevator door is coupled to the front face of the elevator car for movement between an open position exposing the door opening and a closed position covering the door opening. At least one drive motor is mounted on the front face of the elevator car and is disposed between a lower edge and an upper edge of the elevator car. The drive motor is drivingly coupled to the elevator door for moving the elevator door between the open and the closed positions.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: May 28, 2013
    Assignee: Otis Elevator Company
    Inventors: Christian G. Tonna, Helmut Schröder-Brumloop, Christoph Durand
  • Elevator door system
    Patent number: 7246688
    Abstract: An elevator door system includes an elevator car having a front face defining a door opening. At least one elevator door is coupled to the front face of the elevator car for movement between an open position exposing the door opening and a closed position covering the door opening. At least one drive motor is mounted on the front face of the elevator car and is disposed between a lower edge and an upper edge of the elevator car. The drive motor is drivingly coupled to the elevator door for moving the elevator door between the open and the closed positions.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: July 24, 2007
    Assignee: Otis Elevator Company
    Inventors: Christian G. Tonna, Helmut Schröder-Brumloop, Christoph Durand
  • Elevator door system
    Publication number: 20060196733
    Abstract: An elevator door system includes an elevator car having a front face defining a door opening. At least one elevator door is coupled to the front face of the elevator car for movement between an open position exposing the door opening and a closed position covering the door opening. At least one drive motor is mounted on the front face of the elevator car and is disposed between a lower edge and an upper edge of the elevator car. The drive motor is drivingly coupled to the elevator door for moving the elevator door between the open and the closed positions.
    Type: Application
    Filed: April 4, 2006
    Publication date: September 7, 2006
    Inventors: Christian Tonna, Helmut Schroder-Brumloop, Christoph Durand
  • ELEVATOR DOOR SYSTEM
    Publication number: 20020003065
    Abstract: An elevator door system includes an elevator car having a front face defining a door opening. At least one elevator door is coupled to the front face of the elevator car for movement between an open position exposing the door opening and a closed position covering the door opening. At least one drive motor is mounted on the front face of the elevator car and is disposed between a lower edge and an upper edge of the elevator car. The drive motor is drivingly coupled to the elevator door for moving the elevator door between the open and the closed positions.
    Type: Application
    Filed: December 23, 1998
    Publication date: January 10, 2002
    Inventors: CHRISTIAN G. TONNA, HELMUT SCHRODER-BRUMLOOP, CHRISTOPH DURAND