Stephen Ross Maddux

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Expansion tool with a hybrid cone for expansion of an expandable li...
- Patent number 12,352,138
- Issue date Jul 8, 2025
- Halliburton Energy Services, Inc.
- Stephen Ross Maddux
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
EXPANDABLE LINER HANGER ASSEMBLY HAVING ANCHOR KEY IN DOVETAIL GROO...
- Publication number 20250129691
- Publication date Apr 24, 2025
- Halliburton Energy Services, Inc.
- Muhammad Nur Adli Juhari
- E21 - EARTH DRILLING MINING
Information Patent Application
EXPANSION TOOL WITH A HYBRID CONE FOR EXPANSION OF AN EXPANDABLE LI...
- Publication number 20250027387
- Publication date Jan 23, 2025
- Halliburton Energy Services, Inc.
- Stephen Ross Maddux
- E21 - EARTH DRILLING MINING