Patents by Inventor Alexander WÖLFEL

Alexander WÖLFEL 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).

  • ELEVATOR DRIVE UNIT
    Publication number: 20200377338
    Abstract: An elevator drive unit includes a drive shaft having at least one drive section for driving a drive belt. The drive unit also includes an electromotor, for driving the drive shaft having a stator and a rotor, a brake for braking the drive shaft, and a frame for supporting the drive shaft, the stator and the brake.
    Type: Application
    Filed: December 19, 2018
    Publication date: December 3, 2020
    Applicant: thyssenkrupp Elevator Innovation and Operations AG
    Inventors: Alexander WÖLFEL, Kai HANSEN, Martin SCHÜTT, Roland NÄGELE, Felix EISELE, Dirk BURKHARDT