Patents by Inventor Wolfgang Hantke

Wolfgang Hantke 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).

  • Stair-climbing device
    Patent number: 8439370
    Abstract: A stair-climbing device including a support unit, a climbing unit driven by a motor and a control unit for controlling operation of the climbing unit, wherein a detection unit is provided for detecting the current position of the support unit with respect to one or several steps of a stair which includes at least one non-contact sensor, wherein the detection unit provides signals to the control unit, which signals contain information about the current position of the support unit with respect to one or several steps of the stair, and wherein the control unit is adapted to control operation of the climbing unit depending on signals of the detection unit.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: May 14, 2013
    Assignee: Ulrich Alber GmbH
    Inventors: Paul-Gerhard Bitzer, Franz Scheck, Michael Urso, Wolfgang Hantke
  • STAIR-CLIMBING DEVICE
    Publication number: 20110260417
    Abstract: A stair-climbing device including a support unit, a climbing unit driven by a motor and a control unit for controlling operation of the climbing unit, wherein a detection unit is provided for detecting the current position of the support unit with respect to one or several steps of a stair which includes at least one non-contact sensor, wherein the detection unit provides signals to the control unit, which signals contain information about the current position of the support unit with respect to one or several steps of the stair, and wherein the control unit is adapted to control operation of the climbing unit depending on signals of the detection unit.
    Type: Application
    Filed: April 14, 2011
    Publication date: October 27, 2011
    Applicant: Ulrich Alber GmbH
    Inventors: Paul-Gerhard Bitzer, Franz Scheck, Michael Urso, Wolfgang Hantke