Inventor · disambiguated record
Zuming Zheng
Also filed as: ZHENG ZUMING
2 granted patents·31 citations·filing 1999–1999
61Inventor score
Files withCHINA PETROCHEMICAL CORP2
Top patents by PatentIndex Score
2 records- 0158US6345811B1Combined packing-tray in a vapor-liquid contacting tower and a process for effecting operation with high capacity and high turndown ratioCHINA PETROCHEMICAL CORP·Filed 1999·Granted Feb 12, 2002·22 cites·25 claims
- 0233US6299146B1Retangular suspending downcomer directing trayCHINA PETROCHEMICAL CORP·Filed 1999·Granted Oct 9, 2001·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →