For the Inventor, By the Inventor

Enter assignee name

Shanghai, China

Shanghai Lifengas Co., Ltd

USPTO Granted Patents = 4

Forward Citations = 0

Loading Chart...

Loading Chart...

9 inventors (with patents filed for the assignee):

Zhengxiong Zhang (4 out of 4 patents)

Mingxing He (2 out of 2 patents)

Qinyou Tang (2 out of 2 patents)

4. Wei Zhang (1 out of 29 patents)

5. Kevin Ren (1 out of 1 patent)

6. Yao Ye (1 out of 1 patent)

7. Andy Hao (1 out of 1 patent)

8. Huaqin Liu (1 out of 1 patent)

9. Jax Zhu (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12398952 - Waste argon separation system and method capable of reducing emission of cryogenic waste argon (2025-08-26),

2. 12360092 - Method, device, and storage medium for measuring nitrogen content (2025-07-15),

3. 12330109 - Hydrogen production device, gas-liquid separation apparatus thereof, and electrolyte and hydrogen separating method (2025-06-17),

4. 12152585 - Sealing soft water recovery apparatus for vacuum pump in vacuum pressure swing adsorption oxygen generation system (2024-11-26),

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#470 in Shanghai

#5,549 in China

Shanghai, China

Shanghai Lifengas Co., Ltd

Forward Citations = 0

9 inventors:

Zhengxiong Zhang (4 out of 4 patents)

Mingxing He (2 out of 2 patents)

Qinyou Tang (2 out of 2 patents)

4. Wei Zhang (1 out of 29 patents)

5. Kevin Ren (1 out of 1 patent)

Please report any incorrect information to support@idiyas.com

Loading…