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
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →