Inventor · disambiguated record

Hongrong Wang

Also filed as: WANG HONGRONG

1 granted patent·1 citations·filing 2014–2014

14Inventor score

Technology areasE21B

Files withSHENGLI LONGDI PETROLEUM TECH & EQUIPMENT CO LTD1

Top patents by PatentIndex Score

1 record

0139US9850744B2Method for extracting coalbed gas through water and coal dust drainage and a device thereofSHENGLI LONGDI PETROLEUM TECH & EQUIPMENT CO LTD·Filed 2014·Granted Dec 26, 2017·1 cites·1 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →