Inventor · disambiguated record
Ying-San Lai
Also filed as: LAI YING · LAI YING-SAN
5 granted patents·70 citations·filing 1992–1999
81Inventor score
Top patents by PatentIndex Score
5 records- 0166US6209577B1Modulating action non-flowing pilot operated relief valveCURTISS WRIGHT FLOW CONTROL·Filed 1999·Granted Apr 3, 2001·29 cites·23 claims
- 0249US5234023APressure relief valve with auxiliary loading deviceDRESSER IND·Filed 1992·Granted Aug 10, 1993·14 cites·18 claims
- 0346US6220280B1Pilot operated relief valve with system isolating pilot valve from process mediaCURTIS WRIGHT FLOW CONTROL COR·Filed 1999·Granted Apr 24, 2001·15 cites·34 claims
- 0437US5950657AModulating action non-flowing pilot operated relief valveTELEDYNE IND·Filed 1998·Granted Sep 14, 1999·9 cites·20 claims
- 0528US5305780APressure relief valve with auxiliary loading deviceDRESSER IND·Filed 1993·Granted Apr 26, 1994·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →