Inventor · disambiguated record
Qiwei Zheng
Also filed as: ZHENG QIWEI
4 granted patents·1 pending application·0 citations·filing 2020–2023
53Inventor score
Top patents by PatentIndex Score
5 records- 0153US11566098B2Graphene-modified elastomer material and its preparation methodZHEJIANG YUANRONG TECH CO LTD·Filed 2020·Granted Jan 31, 2023·0 cites·20 claims
- 0251US11485857B2Amino silicone oil-modified elastomer material and preparation method thereofZHEJIANG YUANRONG TECH CO LTD·Filed 2020·Granted Nov 1, 2022·0 cites·16 claims
- 0350US11485819B2Elastomer material modified by a hybrid hard segment material and preparation method thereofZHEJIANG YUANRONG TECH CO LTD·Filed 2020·Granted Nov 1, 2022·0 cites·16 claims
- 0449US12391886B2Ultrasonic oxidative desulfurization method for gasoline or dieselPUREPATH CHONGQING PETROLEUM ENG CO LTD·Filed 2023·Granted Aug 19, 2025·0 cites·5 claims
- 0545US2024409821A1Method for recycling waste engine oilPUREPATH CHONGQING PETROLEUM ENG CO LTD·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →