Inventor · disambiguated record
J. Yen Ligh
Also filed as: LIGH J YEN
6 granted patents·1 pending application·80 citations·filing 1997–2013
82Inventor score
Top patents by PatentIndex Score
7 records- 0167US5975130ACheck valve with a low inertia moving part for low or high pressure differentialsVALVE CONCEPTS INC·Filed 1997·Granted Nov 2, 1999·38 cites·8 claims
- 0258US6173736B1Diaphragm actuated pressure relief valve with pressure balanced outlet and fail-safe operationFiled 1999·Granted Jan 16, 2001·21 cites·31 claims
- 0352US5845675ADiaphragm/spring actuated pressure relief valve with pressure balanced outlet and fail-safe operationFiled 1997·Granted Dec 8, 1998·17 cites·28 claims
- 0440US2015101203A1Slope and level angle measuring deviceLIGH J YEN·Filed 2013·Application pending·0 cites
- 0538USD499942SMoldFiled 2003·Granted Dec 21, 2004·3 cites·1 claims
- 0629USD485138SMoldFiled 2002·Granted Jan 13, 2004·1 cites·1 claims
- 0727USD503076SMoldFiled 2003·Granted Mar 22, 2005·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →