Patents by Inventor Paul Luetkenhaus

Paul Luetkenhaus 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).

  • Door opener
    Publication number: 20070277440
    Abstract: A device for actuating doors, with a motor and a door opening lever that can be actuated by the motor and connected to the door to be opened, whereby a decoupling device is arranged between motor and door-opening lever to support a decoupling of the door-opening lever from the drive in the case of an opening of the door not caused by the motor, and a door closer acting on the door to be actuated, whereby the decoupling device is arranged outside of the door closer.
    Type: Application
    Filed: May 31, 2006
    Publication date: December 6, 2007
    Inventor: Paul Luetkenhaus