Inventor
YANG XIONGWEN
CN16 patents
Patents
16 patentsUS10125552B2Nov 13, 2018
Convex ridge type non-planar cutting tooth and diamond drill bit
CNPC USA CORP17 citations83
US10907416B2Feb 2, 2021
Polycrystalline diamond cutter with improved geometry for cooling and cutting evacuation and efficiency and durability
CNPC USA CORP8 citations82
US10563464B2Feb 18, 2020
Convex ridge type non-planar cutting tooth and diamond drill bit
CNPC USA CORP7 citations81
US11365589B2Jun 21, 2022
Cutting element with non-planar cutting edges
CNPC USA CORP3 citations72
US10830020B2Nov 10, 2020
Tool assembly with a fluidic agitator and a coating
CNPC USA CORP2 citations72
US11591858B2Feb 28, 2023
Cutting elements with increased curvature cutting edges
CNPC USA CORP3 citations69
US12104111B2Oct 1, 2024
Unique PDC microstructure and the method of making it
CNPC USA CORP0 citations62
US11808090B2Nov 7, 2023
Force modulation system for a drill bit
CNPC USA CORP0 citations62
US11499377B2Nov 15, 2022
Force modulation system for a drill bit
CNPC USA CORP1 citations62
US12011773B2Jun 18, 2024
Cutting elements with reduced variable back rake angle
CNPC USA CORP0 citations61
US10450819B2Oct 22, 2019
Tool assembly with a fluidic agitator
CNPC USA CORP1 citations56
US10954745B2Mar 23, 2021
Plug assembly
CNPC USA CORP0 citations51
US12218610B1Feb 4, 2025
Sensor system with an interior sensor and a piezoelectric power supply
CNPC USA CORP0 citations49
US12087931B2Sep 10, 2024
Hybrid battery system with multiple discharge voltage plateaus and greater charge capacity of metal in the negative electrode
CNPC USA CORP0 citations48
US12435585B1Oct 7, 2025
Hydraulic control apparatus and method for a downhole tool
CNPC USA CORP0 citations47
US10753167B2Aug 25, 2020
Tool assembly with a fluidic agitator
CNPC USA CORP0 citations46