Inventor · disambiguated record

Runan Zhang

Also filed as: ZHANG RUNAN

2 granted patents·1 citations·filing 2018–2019

30Inventor score

Technology areasE21B

Files withSEED TECH CORP LTD2

Top patents by PatentIndex Score

2 records

0163US10975628B2Drill bit nozzle and drill bitSEED TECH CORP LTD·Filed 2018·Granted Apr 13, 2021·1 cites·8 claims
0242US11053743B2Polycrystalline diamond compact drill bit and oil well drilling apparatus having the sameSEED TECH CORP LTD·Filed 2019·Granted Jul 6, 2021·0 cites·12 claims

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Runan Zhang — Patent Inventor | PatentIndex