Inventor · disambiguated record
Chang Heoi Hu
Also filed as: HU CHANG HEOI
3 granted patents·1 pending application·3 citations·filing 2018–2019
51Inventor score
Technology areasF24D
Files withKYUNGDONG NAVIEN CO LTD4
Top patents by PatentIndex Score
4 records- 0185US11473787B2Boiler for heating and hot-water control method thereforKYUNGDONG NAVIEN CO LTD·Filed 2019·Granted Oct 18, 2022·3 cites·22 claims
- 0250US11835242B2Hot water supplying apparatus and method for utilizing waste heat of hot water supplying apparatusKYUNGDONG NAVIEN CO LTD·Filed 2018·Granted Dec 5, 2023·0 cites·8 claims
- 0349US11149870B2Recirculation valve and hot water recirculation system using the sameKYUNGDONG NAVIEN CO LTD·Filed 2019·Granted Oct 19, 2021·0 cites·12 claims
- 0444US2020191412A1Boiler system for both heating and hot waterKYUNGDONG NAVIEN CO LTD·Filed 2018·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →