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EPO Patents = 2

Trademarks = 3

Forward Citations = 7

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6 inventors (with patents filed for the assignee):

Runxing Xie (7 out of 7 patents)

Hongping Tang (7 out of 7 patents)

Changzhi Wang (5 out of 5 patents)

4. Jiazhuo Lv (4 out of 4 patents)

5. Bin He (1 out of 8 patents)

6. Weiyang Fei (1 out of 3 patents)

7 patents: Sort by Forward Citations

1. 11938425 - Multi-bubbling region column tray and corresponding plate column (2024-03-26),

2. 11547952 - Multi-bubbling region column tray and corresponding plate column (2023-01-10),

3. 10888835 - Tower packing element, tower packing, and packing tower and mixer comprising the same (2021-01-12),

4. 10843164 - Tower packing element, tower packing, and packing tower and mixer comprising the same (2020-11-24),

5. 10052609 - Tower packing element, tower packing, and packing tower and mixer comprising the same (2018-08-21),

6. 9919239 - Multiple downcomer tray and tray column comprising the same (2018-03-20),

7. 9687755 - Extraction tower (2017-06-27),

Beijing Zehua Chemical Engineering Co., Ltd. is a leading chemical engineering company specializing in the design, engineering, and construction of chemical plants and production facilities. With a strong focus on innovation, quality, and customer satisfaction, we provide comprehensive solutions for a wide range of industries including petrochemical, pharmaceutical, and environmental conservation. Our team of experienced professionals and state-of-the-art technology ensure efficient and sustainable solutions for all our clients.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

7 Patents

#331 in Beijing

#3,448 in China

Beijing, China

Beijing Zehua Chemical Engineering Co., Ltd.