How to inquire about Siemens plc patents

1. First enter official website and China National Intellectual Property Administration, and click "Patent Search Query" in the menu bar.

2. After entering the "China Patent Inquiry System", click "Click to Enter" under the public inquiry, and select "Agree with the above statement".

3. Finally, enter the Siemens patent, inquire, and click the "Basic Information" of the patent to view the patent.