Inventor · disambiguated record
Qian Zeng
Also filed as: ZENG QIAN
3 granted patents·0 citations·filing 2009–2017
38Inventor score
Top patents by PatentIndex Score
3 records- 0147US9302910B2Short-flow process for desulfurization of circulating hydrogen and device for the sameWANG HUALIN·Filed 2009·Granted Apr 5, 2016·0 cites·8 claims
- 0239US10041010B2Process and device for treating catalyst discharged from bubbling bed hydrogenation of residual oilLI JIANPING·Filed 2012·Granted Aug 7, 2018·0 cites·12 claims
- 0335US11772091B2Method and apparatus for treating, sorting and recycling oil-containing discharged catalystSHANGHAI HUACHANG ENV PROT CO LTD·Filed 2017·Granted Oct 3, 2023·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →