Stephen MADDUX

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Carrollton, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Liner hanger expansion tool with rotating ball valve
- Patent number 12,060,777
- Issue date Aug 13, 2024
- Halliburton Energy Services, Inc.
- Stephen Ross Maddux
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ball seat release apparatus including sliding shear sleeve
- Patent number 11,753,906
- Issue date Sep 12, 2023
- Halliburton Energy Services, Inc.
- Abdolreza Gharesi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore fluid communication tool
- Patent number 11,352,853
- Issue date Jun 7, 2022
- Halliburton Energy Services, Inc.
- Stephen Ross Maddux
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for introducing a junction assembly including...
- Patent number 11,078,756
- Issue date Aug 3, 2021
- Halliburton Energy Services, Inc.
- Stephen Ross Maddux
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cementing a liner using reverse circulation
- Patent number 10,053,954
- Issue date Aug 21, 2018
- Halliburton Energy Services, Inc.
- Arthur Stautzenberger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reverse circulation cementing system for cementing a liner
- Patent number 9,869,157
- Issue date Jan 16, 2018
- Halliburton Energy Services, Inc.
- Emile Sevadjian
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
LINER HANGER EXPANSION TOOL WITH ROTATING BALL VALVE
- Publication number 20240110466
- Publication date Apr 4, 2024
- Halliburton Energy Services, Inc.
- Stephen Ross Maddux
- E21 - EARTH DRILLING MINING
Information Patent Application
BALL SEAT RELEASE APPARATUS INCLUDING SLIDING SHEAR SLEEVE
- Publication number 20220195843
- Publication date Jun 23, 2022
- Halliburton Energy Services, Inc.
- Abdolreza Gharesi
- E21 - EARTH DRILLING MINING
Information Patent Application
WELLBORE FLUID COMMUNICATION TOOL
- Publication number 20210189835
- Publication date Jun 24, 2021
- Halliburton Energy Services, Inc.
- Stephen Ross Maddux
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND APPARATUS FOR INTRODUCING A JUNCTION ASSEMBLY INCLUDING...
- Publication number 20200378203
- Publication date Dec 3, 2020
- Hallliburton Energy Services, Inc.
- Stephen Ross MADDUX
- E21 - EARTH DRILLING MINING
Information Patent Application
Cementing a Liner Using Reverse Circulation
- Publication number 20160281459
- Publication date Sep 29, 2016
- Halliburton Energy Services, Inc.
- Arthur Terry Stautzenberger
- E21 - EARTH DRILLING MINING
Information Patent Application
REVERSE CIRCULATION CEMENTING SYSTEM FOR CEMENTING A LINER
- Publication number 20160160603
- Publication date Jun 9, 2016
- Halliburton Energy Services, Inc.
- Emile SEVADJIAN
- E21 - EARTH DRILLING MINING