Patents by Inventor Stefan Steinmüller

Stefan Steinmüller 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).

  • Power converter with common mode filter
    Patent number: 12255526
    Abstract: Various embodiments of the teachings herein include a power converter. The power converter may include: a converter for converting between a first electrical voltage and a second electrical voltage; a common mode filter having a common mode transformer; and a second winding connected to a frequency-selective passive damping circuit arranged on a common core. The common mode transformer has at least two first windings arranged in the same direction on the common core and coupled in series into electrical conductors connected to the converter device.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: March 18, 2025
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Henrik Krupp, Stefan Steinmüller, Michael Kopf
  • Power Converter with Common Mode Filter
    Publication number: 20230318439
    Abstract: Various embodiments of the teachings herein include a power converter. The power converter may include: a converter for converting between a first electrical voltage and a second electrical voltage; a common mode filter having a common mode transformer; and a second winding connected to a frequency-selective passive damping circuit arranged on a common core. The common mode transformer has at least two first windings arranged in the same direction on the common core and coupled in series into electrical conductors connected to the converter device.
    Type: Application
    Filed: June 8, 2021
    Publication date: October 5, 2023
    Applicant: Siemens Aktiengesellschaft
    Inventors: Henrik Krupp, Stefan Steinmüller, Michael Kopf