Inventor · disambiguated record
David G. Holliday
Also filed as: HOLLIDAY DAVID · HOLLIDAY DAVID G
5 granted patents·5 pending applications·72 citations·filing 1991–2025
79Inventor score
Top patents by PatentIndex Score
10 records- 0177US9103457B2Assembly having a dual barrier gasketHOLLIDAY DAVID G·Filed 2011·Granted Aug 11, 2015·6 cites·12 claims
- 0271US2025264002A1Electrical Actuation of a Valve in a Wellhead AssemblyINNOVEX INT INC·Filed 2025·Application pending·0 cites
- 0365US7195225B1Rotary valve assemblyDRIL QUIP INC·Filed 2004·Granted Mar 27, 2007·30 cites·20 claims
- 0464US12291939B2Electrical actuation of a valve in a wellhead assemblyDRIL QUIP INC·Filed 2023·Granted May 6, 2025·0 cites·20 claims
- 0560US6125874AGate valve having fail safe actuatorDRIL QUIP INC·Filed 1999·Granted Oct 3, 2000·23 cites·7 claims
- 0649US2008217569A1Low Torque Gate Valve MechanismDRIL QUIP INC·Filed 2008·Application pending·0 cites
- 0748US2009102132A1External Pressure GasketDRIL QUIP INC·Filed 2007·Application pending·0 cites
- 0848US2008083891A1Gate Valve ActuatorDRIL QUIP INC·Filed 2007·Application pending·0 cites
- 0943US5127629AValve stem flex lip backseatFMC CORP·Filed 1991·Granted Jul 7, 1992·13 cites·8 claims
- 1039US2005156131A1Fire resistant valve assembliesFiled 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →