Inventor · disambiguated record
Yonghua Cheng
Also filed as: CHENG YONGHUA
4 granted patents·9 citations·filing 2010–2020
65Inventor score
Top patents by PatentIndex Score
4 records- 0176US8763564B2Water heater and method of operatingABDEL-REHIM AYMAN·Filed 2011·Granted Jul 1, 2014·7 cites·36 claims
- 0263US9212817B2Low NOx burner for a water heaterCHENG YONGHUA·Filed 2010·Granted Dec 15, 2015·2 cites·4 claims
- 0356US11761677B2Water heater having highly efficient and compact heat exchangerSMITH CORP A O·Filed 2020·Granted Sep 19, 2023·0 cites·20 claims
- 0456US9587854B2Low NOx burner for a water heaterSMITH CORP A O·Filed 2015·Granted Mar 7, 2017·0 cites·9 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →