Inventor · disambiguated record
Todd Ulrich Chretien
Also filed as: CHRETIEN SR TODD ULRICH · CHRETIEN TODD · CHRETIEN TODD ULRICH
14 granted patents·2 pending applications·189 citations·filing 2006–2019
92Inventor score
Files withPETROQUIP ENERGY SERVICES LLP4KIPPOLA KEVIN SCOTT3BJ SERVICES CO2DARNELL WILLIAM JOHN2PACKERS PLUS ENERGY SERVICES USA INC2
Top patents by PatentIndex Score
16 records- 0195US7954545B2Plunger lift system for wellWEATHERFORD LAMB·Filed 2008·Granted Jun 7, 2011·40 cites·31 claims
- 0294US11486508B2Deep set safety valveSUPERIOR ENERGY SERVICES LLC·Filed 2019·Granted Nov 1, 2022·22 cites·10 claims
- 0391US7490669B2Multi-zone, single trip well completion system and methods of useBJ SERVICES CO·Filed 2006·Granted Feb 17, 2009·40 cites·20 claims
- 0490US7926580B1Coiled tubing multi-zone jet frac systemPETROQUIP ENERGY SERVICES LLP·Filed 2010·Granted Apr 19, 2011·17 cites·8 claims
- 0587US8220555B1Downhole tool shifting mechanism and method for shifting a downhole toolWINTILL CHARLES DAVID·Filed 2010·Granted Jul 17, 2012·18 cites·12 claims
- 0684US7520333B2Hydraulic sleeve valve with position indication, alignment, and bypassBJ SERVICES CO·Filed 2006·Granted Apr 21, 2009·25 cites·20 claims
- 0779US8567509B1Downhole toolPETROQUIP ENERGY SERVICES LLP·Filed 2013·Granted Oct 29, 2013·7 cites·8 claims
- 0877US7926569B1Bypass device for wellboresPETROQUIP ENERGY SERVICES LLP·Filed 2010·Granted Apr 19, 2011·6 cites·14 claims
- 0967US8171998B1System for controlling hydrocarbon bearing zones using a selectively openable and closable downhole toolDARNELL WILLIAM JOHN·Filed 2011·Granted May 8, 2012·4 cites·2 claims
- 1063US9664008B2Downhole completion toolKIPPOLA KEVIN SCOTT·Filed 2013·Granted May 30, 2017·2 cites·15 claims
- 1162US8141648B2Multiple-positioning mechanical shifting system and methodDARNELL WILLIAM JOHN·Filed 2009·Granted Mar 27, 2012·8 cites·25 claims
- 1255US10443347B2Downhole completion toolPACKERS PLUS ENERGY SERVICES USA INC·Filed 2018·Granted Oct 15, 2019·0 cites·19 claims
- 1352US10107074B2Downhole completion toolPACKERS PLUS ENERGY SERVICES USA INC·Filed 2017·Granted Oct 23, 2018·0 cites·19 claims
- 1450US2017241236A1Downhole completion toolKIPPOLA KEVIN SCOTT·Filed 2017·Application pending·0 cites
- 1548US2017335659A1Downhole completion toolKIPPOLA KEVIN SCOTT·Filed 2016·Application pending·0 cites
- 1639US7926595B1Filter subPETROQUIP ENERGY SERVICES LLP·Filed 2010·Granted Apr 19, 2011·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →