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Kangqiao Town, Pudong, Shanghai, China

Shanghai Puffman Automation & Instrument Co., Ltd.

USPTO Granted Patents = 1

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Ming Hou (1 out of 1 patent)

Yigang Tong (1 out of 1 patent)

Yong Si (1 out of 1 patent)

4. Xu Wang (1 out of 34 patents)

1 patent: Sort by Forward Citations

1. 9936728 - Method and device for forming cigarette filter rod (2018-04-10),

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USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#1,163 in Kangqiao Town, Pudong, Shanghai

#16,077 in China

Kangqiao Town, Pudong, Shanghai, China

Shanghai Puffman Automation & Instrument Co., Ltd.

Forward Citations = 0

4 inventors:

Ming Hou (1 out of 1 patent)

Yigang Tong (1 out of 1 patent)

Yong Si (1 out of 1 patent)

4. Xu Wang (1 out of 34 patents)

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