For the Inventor, By the Inventor

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Beiang Air Tech Ltd.

USPTO Granted Patents = 3

Trademarks = 5

Forward Citations = 18

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8 inventors (with patents filed for the assignee):

Hongyu Ran (3 out of 21 patents)

Yan Zhang (2 out of 16 patents)

Hongqiang Li (2 out of 5 patents)

4. Yigang Liu (2 out of 11 patents)

5. Mingming Wei (2 out of 2 patents)

6. Yaoyuan Lu (1 out of 12 patents)

7. Qi Chen (1 out of 11 patents)

8. Qidong Zhang (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12081148 - Gear control circuit and system for alternating current motor, switch controller, and electronic device (2024-09-03),

2. 11914006 - Driving circuit, magnetic sensing circuit, and electrical device (2024-02-27),

3. D971395 - Air purifier (2022-11-29),

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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#145 in Suzhou

#8,312 in China

Beiang Air Tech Ltd.

Forward Citations = 18

8 inventors:

Hongyu Ran (3 out of 21 patents)

Yan Zhang (2 out of 16 patents)

Hongqiang Li (2 out of 5 patents)

4. Yigang Liu (2 out of 11 patents)

5. Mingming Wei (2 out of 2 patents)

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