Inventor
ZENG CONG
CN6 patents
⚠️ This page may combine multiple inventors who share the name “ZENG CONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV CHINA GEOSCIENCES WUHAN
4 patentsUS11746597B2Sep 5, 2023
Pressured horizontal directional drilling continuous coring device for engineering geological investigation
UNIV CHINA GEOSCIENCES WUHAN0 citations48
US11643895B2May 9, 2023
Sealed pressured horizontal directional drilling continuous coring device for engineering geological investigation
UNIV CHINA GEOSCIENCES WUHAN0 citations48
US11585174B2Feb 21, 2023
Hydraulic propulsion horizontal directional coring device
UNIV CHINA GEOSCIENCES WUHAN0 citations48
US11525320B2Dec 13, 2022
Casing-protective horizontal directional drilling coaxial coring device for geological investigation
UNIV CHINA GEOSCIENCES WUHAN0 citations48