Patents by Inventor Felix Böse

Felix Böse 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).

  • Servo door-closer
    Patent number: 9501047
    Abstract: A power-assisted door closer includes an output shaft, a driving mechanism operatively connected to the output shaft, a mechanical energy accumulator for storing closing energy for the door leaf and acting upon the driving mechanism, a motor/generator unit operatively connected to the output shaft and an electrical energy accumulator for storing an assisting energy for the door leaf and being electrically connected to the motor/generator unit.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: November 22, 2016
    Assignee: DORMA DEUTSCHLAND GMBH
    Inventors: Thomas Salutzki, Wolfgang Semelka, Felix Böse
  • SERVO DOOR-CLOSER
    Publication number: 20140346997
    Abstract: A power-assisted door closer includes an output shaft, a driving mechanism operatively connected to the output shaft, a mechanical energy accumulator for storing closing energy for the door leaf and acting upon the driving mechanism, a motor/generator unit operatively connected to the output shaft and an electrical energy accumulator for storing an assisting energy for the door leaf and being electrically connected to the motor/generator unit.
    Type: Application
    Filed: November 6, 2012
    Publication date: November 27, 2014
    Inventors: Thomas Salutzki, Wolfgang Semelka, Felix Böse