For the Inventor, By the Inventor

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Hong Kong, China

Star Smart Limited

USPTO Granted Patents = 5

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

Zhijie Chen (5 out of 22 patents)

5 patents: Sort by Forward Citations

1. D1134483 - Pump for petrol (2026-07-14),

2. D1132971 - Oil pump (2026-07-07),

3. D1132970 - Control handle (2026-07-07),

4. 12553369 - Portable oil extraction pump (2026-02-17),

5. 12473848 - Portable oil pump with charging function (2025-11-18),

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USPTO Data Jan 1 1976 - Sep 22 2026

5 Patents

#589 in Hongkong

#5,183 in HK

Hong Kong, China

Star Smart Limited

Forward Citations = 3

2 inventors:

Zhijie Chen (5 out of 22 patents)

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