Assignee
CHOI YOUNG HWAN
9 granted patents·5 pending applications·12 citations·filing 1992–2022
Top patents by PatentIndex Score
14 records- 0188US11408693B2System for automatically cleaning boiler pipesCHOI YOUNG HWAN·Filed 2021·Granted Aug 9, 2022·2 cites·18 claims
- 0278US11041662B2Instantaneous water heater having guide portionCHOI YOUNG HWAN·Filed 2019·Granted Jun 22, 2021·1 cites·7 claims
- 0364US11149983B2Hot water boiler with vortex guideCHOI YOUNG HWAN·Filed 2019·Granted Oct 19, 2021·0 cites·10 claims
- 0461US11022341B2Storage type electric water heater with hot air generating functionCHOI YOUNG HWAN·Filed 2019·Granted Jun 1, 2021·0 cites·10 claims
- 0559US11035588B2Boiler with heating blowerCHOI YOUNG HWAN·Filed 2019·Granted Jun 15, 2021·0 cites·8 claims
- 0655USD347809STricycleCHOI YOUNG-HWAN·Filed 1992·Granted Jun 14, 1994·9 cites·1 claims
- 0755US2022163235A1Heat exchanger having circulation guideCHOI YOUNG HWAN·Filed 2022·Application pending·0 cites
- 0854US11333400B2Hot water storage-type boiler having both heat amount proportional control function and backflow prevention functionCHOI YOUNG HWAN·Filed 2019·Granted May 17, 2022·0 cites·4 claims
- 0953US2020049375A1Electric water heater having instantaneous hot water storage-type structureCHOI YOUNG HWAN·Filed 2019·Application pending·0 cites
- 1051US11578864B2Method of automatically cleaning boiler pipesCHOI YOUNG HWAN·Filed 2021·Granted Feb 14, 2023·0 cites·9 claims
- 1147US10900693B2Hot water storage boiler having scale prevention functionCHOI YOUNG HWAN·Filed 2018·Granted Jan 26, 2021·0 cites·8 claims
- 1240US2017045310A1Heat exchanger having circulation guideCHOI YOUNG-HWAN·Filed 2015·Application pending·0 cites
- 1339US2013107696A1Location-based routing apparatus and method using lqiCHOI YOUNG HWAN·Filed 2012·Application pending·0 cites
- 1435US2012155477A1Multi hop routing apparatus and multi hop routing methodCHOI YOUNG HWAN·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →