Inventor
TU GUANFU
CN5 patents
Patents
5 patentsUS11391095B2Jul 19, 2022
Polycrystalline diamond compact and drilling bit
KINGDREAM PLC7 citations81
US11725459B2Aug 15, 2023
Multiple ridge diamond compact for drill bit and drill bit
KINGDREAM PLC1 citations60
US12435576B2Oct 7, 2025
Multi-cutting-edge diamond composites and earth-boring tools
KINGDREAM PLC0 citations59
US11326402B2May 10, 2022
Hybrid bit with roller cones having inserts
KINGDREAM PLC1 citations55
US12546170B2Feb 10, 2026
Impact-resistant multi-cutting-edge diamond compact and earth-boring tool
KINGDREAM PLC0 citations49