Inventor · disambiguated record
Takao Stewart
Also filed as: STEWART TAKAO · STEWART TAKAO TOMMY
3 granted patents·1 pending application·20 citations·filing 2011–2015
67Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0185US9016390B2Apparatus and method for providing wellbore isolationSTEWART TAKAO TOMMY·Filed 2011·Granted Apr 28, 2015·14 cites·17 claims
- 0278US10113388B2Apparatus and method for providing wellbore isolationHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Oct 30, 2018·3 cites·16 claims
- 0378US9470063B2Well intervention pressure control valveHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Oct 18, 2016·3 cites·13 claims
- 0446US2014202713A1Well Intervention Pressure Control ValveHALLIBURTON ENERGY SERV INC·Filed 2013·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Takao Stewart files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →