Patents/Assignees

Beijing Huamei Inc. CNPC

4 patents in portfolio

US12305116utility2025
Ultra-high Temperature Resistant Cement Slurry System for Cementing and Preparation Method and Use Thereof
0 cites
US11879296utility2024
Blade Cap Force Modulation System for a Drill Bit
0 cites
US11808090utility2023
Force Modulation System for a Drill Bit
0 cites
US11702891utility2023
Force Modulation System with an Elastic Force Member for Downhole Conditions
0 cites