Inventor
LI XINMIAO
CN3 patents
⚠️ This page may combine multiple inventors who share the name “LI XINMIAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INST OF EXPLORATION TECHNIQUES CHINESE ACADEMY OF GEOLOGICAL SCIENCES
2 patentsUS11697970B2Jul 11, 2023
Directly connected drill pipe applicable to extreme conditions
INST OF EXPLORATION TECHNIQUES CHINESE ACADEMY OF GEOLOGICAL SCIENCES0 citations47
US11326413B2May 10, 2022
Wire-line core drilling tool
INST OF EXPLORATION TECHNIQUES CHINESE ACADEMY OF GEOLOGICAL SCIENCES0 citations47