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Inventor profile of:

Qingfeng Xu

City:

Shapingba

Country:

China

Published Applications:

1

Last publication date:

2023-12-21

Recent patent applications by Xu Qingfeng

Qingfeng Xu from Shapingba, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2023-12-21

US20230408385A1

TESTING DEVICE AND METHOD FOR SIMULATING COALBUMP OF PASSING THROUGH FAULT

InventorID:

5940438 ⎘