Inventor · disambiguated record
Haiwen Chen
Also filed as: CHEN HAIWEN
19 granted patents·328 citations·filing 1997–2025
95Inventor score
Files withCHEN HAIWEN9BETZDEARBORN INC7SHENZHEN SOUTH CHINA YINGCAI TECH CO LTD2TENCENT TECH SHENZHEN CO LTD1
Top patents by PatentIndex Score
19 records- 0194USD1091790SHumidifierSHENZHEN SOUTH CHINA YINGCAI TECH CO LTD·Filed 2025·Granted Sep 2, 2025·8 cites·1 claims
- 0294USD892128STablet keyboard caseCHEN HAIWEN·Filed 2019·Granted Aug 4, 2020·72 cites·1 claims
- 0384USD905697SDetachable tablet caseCHEN HAIWEN·Filed 2019·Granted Dec 22, 2020·24 cites·1 claims
- 0482US6076048ASystem and method for least squares filtering based leak flow estimation/detection using exponentially shaped leak profilesBETZDEARBORN INC·Filed 1997·Granted Jun 13, 2000·52 cites·87 claims
- 0579USD896233STablet caseCHEN HAIWEN·Filed 2019·Granted Sep 15, 2020·18 cites·1 claims
- 0675USD918214SRotating keyboard case with keyboardCHEN HAIWEN·Filed 2019·Granted May 4, 2021·15 cites·1 claims
- 0772USD1049027SWireless chargerCHEN HAIWEN·Filed 2022·Granted Oct 29, 2024·4 cites·1 claims
- 0871USD935070SLantern lightCHEN HAIWEN·Filed 2019·Granted Nov 2, 2021·12 cites·1 claims
- 0969USD1023930SWireless charging bracketCHEN HAIWEN·Filed 2021·Granted Apr 23, 2024·4 cites·1 claims
- 1069US5756880AMethods and apparatus for monitoring water process equipmentBETZDEARBORN INC·Filed 1997·Granted May 26, 1998·30 cites·7 claims
- 1168USD892127SRotating keyboard case with keyboardCHEN HAIWEN·Filed 2019·Granted Aug 4, 2020·11 cites·1 claims
- 1259US10110519B2Method, apparatus and storage medium for sharing informationTENCENT TECH SHENZHEN CO LTD·Filed 2014·Granted Oct 23, 2018·0 cites·9 claims
- 1357US6244098B1Methods and apparatus for monitoring water process equipmentBETZDEARBORN INC·Filed 1998·Granted Jun 12, 2001·20 cites·18 claims
- 1456US6109096AMethods and apparatus for monitoring water process equipmentBETZDEARBORN INC·Filed 1997·Granted Aug 29, 2000·18 cites·11 claims
- 1556US5817927AMethod and apparatus for monitoring water process equipmentBETZDEARBORN INC·Filed 1997·Granted Oct 6, 1998·20 cites·21 claims
- 1652USD901057SPetal lightCHEN HAIWEN·Filed 2019·Granted Nov 3, 2020·5 cites·1 claims
- 1743USD1088117SStylusSHENZHEN SOUTH CHINA YINGCAI TECH CO LTD·Filed 2024·Granted Aug 12, 2025·0 cites·1 claims
- 1840US5923571AApparatus and method for automatic congruent control of multiple boilers sharing a common feedwater line and chemical feed pointBETZDEARBORN INC·Filed 1997·Granted Jul 13, 1999·10 cites·68 claims
- 1932US6170319B1Methods and apparatus for monitoring water process equipmentBETZDEARBORN INC·Filed 1998·Granted Jan 9, 2001·5 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →