Young H. Lee

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Conroe, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of forming a journal for a roller cone drill bit
- Patent number 11,577,349
- Issue date Feb 14, 2023
- Halliburton Energy Services, Inc.
- Young Ho Lee
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drill bit having improved journal bearings
- Patent number 10,619,419
- Issue date Apr 14, 2020
- Halliburton Energy Services, Inc.
- Mark Evans Williams
- E21 - EARTH DRILLING MINING
Information Patent Grant
Symmetrical seal
- Patent number 9,988,850
- Issue date Jun 5, 2018
- Halliburton Energy Services, Inc.
- Micheal B. Crawford
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and system for lubrication pressure relief for a roller con...
- Patent number 9,194,186
- Issue date Nov 24, 2015
- Halliburton Energy Services, Inc.
- Young H. Lee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
ROLLER CONE DRILL BIT JOURNAL WITH ASYMMETRIC BALL RACE AND EXTENDE...
- Publication number 20200190910
- Publication date Jun 18, 2020
- Halliburton Energy Services, Inc.
- Young Ho Lee
- E21 - EARTH DRILLING MINING
Information Patent Application
ROLLER CONE DRILL BIT JOURNAL WITH ASYMMETRIC BALL RACE AND EXTENDE...
- Publication number 20180195347
- Publication date Jul 12, 2018
- Halliburton Energy Services, Inc.
- Young Ho Lee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DRILL BIT HAVING IMPROVED JOURNAL BEARINGS
- Publication number 20160290052
- Publication date Oct 6, 2016
- Halliburton Energy Services, Inc.
- Mark Evans Williams
- E21 - EARTH DRILLING MINING
Information Patent Application
SYMMETRICAL HAR SEAL
- Publication number 20150345226
- Publication date Dec 3, 2015
- Halliburton Energy Services Inc.
- Michael B. Crawford
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS AND SYSTEM FOR LUBRICATION PRESSURE RELIEF FOR A ROLLER CON...
- Publication number 20140102790
- Publication date Apr 17, 2014
- Young H. Lee
- E21 - EARTH DRILLING MINING