Inventor · disambiguated record
Zhengquan Cheng
Also filed as: CHENG ZHENGQUAN
2 granted patents·1 pending application·0 citations·filing 2011–2022
21Inventor score
Top patents by PatentIndex Score
3 records- 0136US2024240416A1Socket assembled arch rib, manufacturing and construction method thereof, and arch bridgeUNIV SHANDONG·Filed 2022·Application pending·0 cites
- 0229US9732570B2Apparatus for tripping oil pipe and system for automatic well workoverCHINA PETROLEUM & CHEM CORP·Filed 2015·Granted Aug 15, 2017·0 cites·13 claims
- 0320US8746093B2Oil pumping unitWANG MINXUAN·Filed 2011·Granted Jun 10, 2014·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →