Patents by Inventor Heinz Kellenberger

Heinz Kellenberger 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).

  • DEVICE FOR CHECKING OR ADJUSTING AN ELEVATOR DOOR LOCK
    Publication number: 20150239709
    Abstract: A device and a method for checking or adjusting a depth of engagement of a locked elevator door lock, wherein the door lock has a catch engaged with a stop, can be fixed to the catch and have a region for supporting the stop. Alternatively, the device can be fixed to the stop and have a region for supporting the catch. The device can be fixed to the catch or to the stop such that a defined depth of engagement is formed when the stop or the catch is resting on the device support region.
    Type: Application
    Filed: August 30, 2013
    Publication date: August 27, 2015
    Inventors: Heinz Kellenberger, Eric Kertész