Inventor · disambiguated record
Shu L. Liou
Also filed as: LIOU SHU L · LIOU SHU-LIEN
4 granted patents·75 citations·filing 1975–1985
78Inventor score
Top patents by PatentIndex Score
4 records- 0172US4359788ADisc type kitchen sink drain valveLIOU SHU LIEN·Filed 1980·Granted Nov 23, 1982·40 cites·4 claims
- 0238US4433442AToilet seat and cover operating deviceLIOU SHU L·Filed 1982·Granted Feb 28, 1984·10 cites·13 claims
- 0338US3949433ADrain closure assemblyCHUANG CHIN CHIH·Filed 1975·Granted Apr 13, 1976·14 cites·12 claims
- 0433US4644687ADoor with a shutter deviceLIOU SHU L·Filed 1985·Granted Feb 24, 1987·11 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →