Inventor · disambiguated record
Weilin Dai
Also filed as: DAI WEILIN
2 granted patents·3 pending applications·1 citations·filing 2009–2024
32Inventor score
Top patents by PatentIndex Score
5 records- 0165US2025153973A1Elevator emergency operation device with safety function testOTIS ELEVATOR CO·Filed 2024·Application pending·0 cites
- 0264US2025066161A1Apparatus, method and elevator system for monitoring status of circuit for landing door and car doorOTIS ELEVATOR CO·Filed 2024·Application pending·0 cites
- 0361US2024199375A1Device and method for detecting seal star function of elevator systemOTIS ELEVATOR CO·Filed 2023·Application pending·0 cites
- 0437USD1068013SKid swim vestDAI WEILIN·Filed 2023·Granted Mar 25, 2025·1 cites·1 claims
- 0521US8082901B2Diesel engineZHUANG HUALIANG·Filed 2009·Granted Dec 27, 2011·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →