Inventor · disambiguated record
Yongqing Zhang
Also filed as: ZHANG YONGQING
7 granted patents·8 pending applications·40 citations·filing 2005–2024
81Inventor score
Files withZHANG YONGQING5UNIV CHINA PETROLEUM BEIJING4NANJING YANTU AUTO SUPPLIES LTD2CATALYTIC SOLUTIONS INC1NANJING YANTU CAR ACCESS CO LTD1
Top patents by PatentIndex Score
15 records- 0194US9890318B1Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure pluggingUNIV CHINA PETROLEUM BEIJING·Filed 2017·Granted Feb 13, 2018·15 cites·20 claims
- 0274US9902890B1Drilling fluid additive composition suitable for coal-bed gas wells, and water-based drilling fluid and use thereofUNIV CHINA PETROLEUM BEIJING·Filed 2017·Granted Feb 27, 2018·1 cites·19 claims
- 0366US2024274906A1Method for Regenerated Raw Materials from Waste Cadmium Nickel Battery Based on Solvent ExtractionUNIV SOUTH CHINA TECH·Filed 2022·Application pending·0 cites
- 0464USD882192SCar vacuum cleanerNANJING YANTU AUTO SUPPLIES LTD·Filed 2017·Granted Apr 21, 2020·11 cites·1 claims
- 0560US10266744B2Accelerator used for drilling fluids, water-based drilling fluid and usage thereofUNIV CHINA PETROLEUM BEIJING·Filed 2018·Granted Apr 23, 2019·0 cites·12 claims
- 0659US2008242903A1Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreamsZHANG YONGQING·Filed 2008·Application pending·0 cites
- 0759US2009131246A1Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreamsZHANG YONGQING·Filed 2008·Application pending·0 cites
- 0859US2008234125A1Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreamsZHANG YONGQING·Filed 2008·Application pending·0 cites
- 0957USD943851SVacuum cleanerNANJING YANTU CAR ACCESS CO LTD·Filed 2019·Granted Feb 15, 2022·8 cites·1 claims
- 1057US2010240936A1Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreamsZHANG YONGQING·Filed 2010·Application pending·0 cites
- 1155US10253237B1Film former used for coal-bed gas well drilling and preparation method thereof, drilling fluid and usage thereofUNIV CHINA PETROLEUM BEIJING·Filed 2018·Granted Apr 9, 2019·0 cites·20 claims
- 1255US2010222210A1Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreamsZHANG YONGQING·Filed 2010·Application pending·0 cites
- 1348US2006166816A1Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreamsCATALYTIC SOLUTIONS INC·Filed 2005·Application pending·0 cites
- 1447USD864875SCar chargerNANJING YANTU AUTO SUPPLIES LTD·Filed 2017·Granted Oct 29, 2019·5 cites·1 claims
- 1547US2024344376A1Wiring door hingeShandong huajing glass co ltd·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →