Inventor
LIU CHUNYAN
CN15 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHUNYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONTINOCEAN TECH INC
4 patentsUS5950710ASep 14, 1999
Overheat regulating system for vehicle passenger compartment
CONTINOCEAN TECH INC78 citations94
US5689142ANov 18, 1997
Keyless motor vehicle starting system with anti-theft feature
CONTINOCEAN TECH INC70 citations94
US5874785AFeb 23, 1999
Keyless motor vehicle starting system
CONTINOCEAN TECH INC55 citations91
US5737938AApr 14, 1998
Air-conditioning system with portable air-conditioning unit
CONTINOCEAN TECH INC30 citations91
UNIV SOUTHWEST PETROLEUM
3 patentsUS11225594B1Jan 18, 2022
Drilling fluid for enhancing stratum pressure bearing capacity and preparation method and method of using thereof
UNIV SOUTHWEST PETROLEUM6 citations74
US10989576B1Apr 27, 2021
Method and system for obtaining micro-nano level fracture model and evaluating plugging performance of drilling fluid
UNIV SOUTHWEST PETROLEUM5 citations73
US11441062B1Sep 13, 2022
Modified polyvinyl acetate and preparation method and use thereof and oil-based drilling fluid
UNIV SOUTHWEST PETROLEUM0 citations57