Inventor · disambiguated record

Christopher Robert Delzell

Also filed as: DELZELL CHRISTOPHER R · DELZELL CHRISTOPHER ROBERT

10 granted patents·53 citations·filing 2012–2020

86Inventor score

Technology areasE21B

Files withHALLIBURTON ENERGY SERVICES INC10

Top patents by PatentIndex Score

10 records

0191US9822611B2Selective magnetic positioning toolHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Nov 21, 2017·16 cites·22 claims
0289US9115565B1Gravel pack circulating sleeve with locking featuresHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Aug 25, 2015·13 cites·21 claims
0387US9896895B2Annulus pressure release running toolHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Feb 20, 2018·6 cites·22 claims
0487US9822610B2Selective magnetic positioning toolHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Nov 21, 2017·11 cites·10 claims
0577US10947799B2Anti-preset mechanism for setting piston in downhole toolsHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Mar 16, 2021·3 cites·20 claims
0671US9416616B2Assisting retrieval of a downhole toolHALLIBURTON ENERGY SERVICES INC·Filed 2012·Granted Aug 16, 2016·3 cites·22 claims
0759US9816330B2Multiple control line travel joint with injection line capabilityHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Nov 14, 2017·1 cites·18 claims
0853US9714553B2Assisting retrieval of a downhole toolHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Jul 25, 2017·0 cites·15 claims
0951US11352852B2Shiftable covers, completion systems, and methods to shift a downhole cover in two directionsHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Jun 7, 2022·0 cites·20 claims
1049US10876365B2Adjustable and redressable colletHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Dec 29, 2020·0 cites·9 claims

Join the waitlist — get patent alerts

Get an alert when Christopher Robert Delzell 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 →