Hebei
China
4
2023-06-22
The entities that hold a legal rights for patent applications filed by inventor Wu Xingfang:
Xingfang Wu from Hebei, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Core detection device of coring instrument and spacer insertion device
#2 | 2022-05-19Method and system for measuring composition and property of formation fluid
#3 | 2021-09-16Core detection device of coring instrument
#4 | 2018-11-08Wire follow-up protection structure of electric reducer
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