Assignee
SMITH A O CHINA WATER HEATER
CN·10 granted patents·2 pending applications·1 citations·filing 2016–2022
Top patents by PatentIndex Score
12 records- 0170US11125468B2Water heater system and control method thereforSMITH A O CHINA WATER HEATER·Filed 2019·Granted Sep 21, 2021·1 cites·4 claims
- 0258US11867428B2Heat exchange pipe, heat exchanger and water heating apparatusSMITH A O CHINA WATER HEATER·Filed 2020·Granted Jan 9, 2024·0 cites·35 claims
- 0356US10514184B2Ignition temperature control apparatus of gas water heaterSMITH A O CHINA WATER HEATER·Filed 2017·Granted Dec 24, 2019·0 cites·23 claims
- 0455US11920923B2Water heater, and scale detection system and methodSMITH A O CHINA WATER HEATER·Filed 2021·Granted Mar 5, 2024·0 cites·18 claims
- 0555US11892215B2Heat pump unit and control method thereof, control device, heat pump system, and combined supply systemSMITH A O CHINA WATER HEATER·Filed 2022·Granted Feb 6, 2024·0 cites·26 claims
- 0650US2018045325A1Proportional valve body, proportional valve and manufacturing method for proportional valve bodySMITH A O CHINA WATER HEATER·Filed 2016·Application pending·0 cites
- 0748US10823456B2Gas water heating apparatusSMITH A O CHINA WATER HEATER·Filed 2018·Granted Nov 3, 2020·0 cites·10 claims
- 0846US11808453B2Gas mixing device and gas water heating deviceSMITH A O CHINA WATER HEATER·Filed 2022·Granted Nov 7, 2023·0 cites·20 claims
- 0946US11585573B2Gas mixing device and gas water heating deviceSMITH A O CHINA WATER HEATER·Filed 2020·Granted Feb 21, 2023·0 cites·17 claims
- 1043US2019178528A1Water heater systemSMITH A O CHINA WATER HEATER·Filed 2019·Application pending·0 cites
- 1140US10835871B2Water purifier and water preparation method thereofSMITH A O CHINA WATER HEATER·Filed 2018·Granted Nov 17, 2020·0 cites·23 claims
- 1239US10451312B2Condensing gas water heater, condensing heat exchanger and heat exchanger plateSMITH A O CHINA WATER HEATER·Filed 2017·Granted Oct 22, 2019·0 cites·25 claims
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