For the Inventor, By the Inventor

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Guangzhou, China

Guangzhou Shanggong Plastic Co., Ltd

USPTO Granted Patents = 4

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Qiquan Liang (2 out of 2 patents)

Qi Quan Liang (2 out of 2 patents)

Yun Huang (1 out of 7 patents)

4. Haoyu Liang (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12485441 - Single material all plastic lotion pump and storage bottle of application thereof (2025-12-02),

2. 12240006 - All-plastic pump (2025-03-04),

3. 12187494 - Anti-pollution bottle cap (2025-01-07),

4. 11786925 - Dual-spring all-plastic vacuum pump (2023-10-17),

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USPTO Data Jan 1 1976 - Dec 16 2025

4 Patents

#121 in Guangzhou

#5,565 in China

Guangzhou, China

Guangzhou Shanggong Plastic Co., Ltd

Forward Citations = 0

4 inventors:

Qiquan Liang (2 out of 2 patents)

Qi Quan Liang (2 out of 2 patents)

Yun Huang (1 out of 7 patents)

4. Haoyu Liang (1 out of 1 patent)

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