Inventor
Wang hanxiao
CN4 patents
⚠️ This page may combine multiple inventors who share the name “Wang hanxiao”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CNPC USA CORP
3 patentsUS12391868B2Aug 19, 2025
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
CNPC USA CORP0 citations61
US12241022B2Mar 4, 2025
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
CNPC USA CORP0 citations61
US11459502B2Oct 4, 2022
Method for making nano- and micro-particles for use as a proppant and fluid-loss-control additive
CNPC USA CORP0 citations50