Inventor · disambiguated record
Chau Hoang
Also filed as: HOANG CHAU
5 granted patents·3 pending applications·99 citations·filing 2000–2025
76Inventor score
Files withBAKER HUGHES OILFIELD OPERATIONS LLC2HOANG CHAU2HIGGINS WILLIAM THOMPSON1PATEL MIHIRKUMAR PRAVINBHAI1VETCO GRAY INC1
Top patents by PatentIndex Score
8 records- 0183US6454015B1Shearing gate valveVETCO GRAY INC ABB·Filed 2000·Granted Sep 24, 2002·92 cites·6 claims
- 0265US11542774B2Locking energizing ringBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2020·Granted Jan 3, 2023·1 cites·17 claims
- 0361US8870186B2Seal assembly for a casing hangerHOANG CHAU·Filed 2012·Granted Oct 28, 2014·3 cites·12 claims
- 0458US8672290B2Self aligning spherical backseat assembly for a valveHOANG CHAU·Filed 2012·Granted Mar 18, 2014·2 cites·16 claims
- 0555US9890598B2Anti-rotation wedgeVETCO GRAY INC·Filed 2012·Granted Feb 13, 2018·1 cites·16 claims
- 0655US2025389168A1Casing hanger compression ring systemBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2025·Application pending·0 cites
- 0737US2013341051A1Metal to metal packoff for use in a wellhead assemblyHIGGINS WILLIAM THOMPSON·Filed 2012·Application pending·0 cites
- 0830US2014061522A1Valve Actuator with Degressive Characteristic SpringPATEL MIHIRKUMAR PRAVINBHAI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →