Inventor · disambiguated record
Zachary William Stewart
Also filed as: STEWART ZACHARY · STEWART ZACHARY WILLIAM
3 granted patents·2 pending applications·14 citations·filing 2015–2021
62Inventor score
Files withHYDRIL USA DISTRIB LLC5
Top patents by PatentIndex Score
5 records- 0190US9828824B2Hydraulic re-configurable and subsea repairable control system for deepwater blow-out preventersHYDRIL USA DISTRIB LLC·Filed 2015·Granted Nov 28, 2017·11 cites·20 claims
- 0271US9528340B2Solenoid valve housings for blowout preventerHYDRIL USA DISTRIB LLC·Filed 2015·Granted Dec 27, 2016·3 cites·19 claims
- 0359US11886206B2Pressure regulator for fluid hammer reductionHYDRIL USA DISTRIB LLC·Filed 2021·Granted Jan 30, 2024·0 cites·7 claims
- 0446US2016179106A1Pressure regulator for fluid hammer reductionHYDRIL USA DISTRIB LLC·Filed 2015·Application pending·0 cites
- 0529US2016177653A1Hydraulic Valve Arrangement for Blowout PreventerHYDRIL USA DISTRIB LLC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →