Inventor · disambiguated record
Alan Long Thien Du
Also filed as: DU ALAN LONG THIEN
3 granted patents·2 citations·filing 2022–2023
50Inventor score
Technology areasF16K
Files withACORN ENG COMPANY INC3
Top patents by PatentIndex Score
3 records- 0180US11976736B2Eccentric backflow preventerACORN ENG COMPANY INC·Filed 2022·Granted May 7, 2024·2 cites·23 claims
- 0261US12359735B2Spring stop for clapper valveACORN ENG COMPANY INC·Filed 2023·Granted Jul 15, 2025·0 cites·20 claims
- 0359US12292123B2Clapper with an upstream cam-arm and roller arrangementACORN ENG COMPANY INC·Filed 2023·Granted May 6, 2025·0 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Alan Long Thien Du files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →