Frequency converter
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The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
The equal length broken lines in the drawings depict portions of the power module for a frequency converter that form no part of the claimed design.
Claims
The ornamental design for a frequency converter, as shown and described.
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Type: Grant
Filed: Jul 2, 2019
Date of Patent: Sep 7, 2021
Assignee: SIEMENS AKTIENGESELLSCHAFT (Munich)
Inventors: Xiang Zhang (Nanjing), Yan Chen (Nanjing), Qi Yu (Nanjing), Chong Xing Zheng (Nanjing), Xing Long Ma (Nanjing)
Primary Examiner: Kendra Leslie Hamilton
Assistant Examiner: Amanda Christensen
Application Number: 29/696,927