Patents by Inventor Bernhard Stumpp

Bernhard Stumpp 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).

  • Drive assistance device for a wheel chair and a wheel chair having a drive assistance device
    Patent number: 7840327
    Abstract: A drive assistance device for a wheel chair having a drive motor, a driving wheel, a sensor means which is designed such that a driving force manually induced into a driving wheel is detected, and a control unit, designed such that the drive motor is controlled to drive the driving wheel in accordance with a drive assistance degree depending on the driving force manually induced into the driving wheel, wherein the control unit comprises an anti-rollback operational mode in which it is adapted to control the drive motor such that an unintended rolling of the driving wheel is avoided. The invention also relates to a wheel chair having such a drive assistance device.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: November 23, 2010
    Assignee: Ulrich Alber GmbH
    Inventors: Paul-Gerhard Bitzer, Bernhard Stumpp
  • Drive assistance device for a wheel chair and a wheel chair having a drive assistance device
    Publication number: 20100036543
    Abstract: A drive assistance device for a wheel chair having a drive motor, a driving wheel, a sensor means which is designed such that a driving force manually induced into a driving wheel is detected, and a control unit, designed such that the drive motor is controlled to drive the driving wheel in accordance with a drive assistance degree depending on the driving force manually induced into the driving wheel, wherein the control unit comprises an anti-rollback operational mode in which it is adapted to control the drive motor such that an unintended rolling of the driving wheel is avoided. The invention also relates to a wheel chair having such a drive assistance device.
    Type: Application
    Filed: July 30, 2009
    Publication date: February 11, 2010
    Applicant: ULRICH ALBER GMBH
    Inventors: Paul-Gerhard BITZER, Bernhard STUMPP