James R. Ashby

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Conroe, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotary drill bits with back-up cutting elements to optimize bit life
- Patent number 10,214,966
- Issue date Feb 26, 2019
- Halliburton Energy Services, Inc.
- Shilin Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method of configuring drilling tools utilizing a critica...
- Patent number 9,650,835
- Issue date May 16, 2017
- Halliburton Energy Services, Inc.
- Shilin Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method of configuring drilling tools utilizing a critica...
- Patent number 9,540,882
- Issue date Jan 10, 2017
- Halliburton Energy Services, Inc.
- Shilin Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method of constant depth of cut control of drilling tools
- Patent number 9,523,242
- Issue date Dec 20, 2016
- Halliburton Energy Services, Inc.
- Shilin Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method of constant depth of cut control of drilling tools
- Patent number 9,506,294
- Issue date Nov 29, 2016
- Halliburton Energy Services, Inc.
- Shilin Chen
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method of improved depth of cut control of drilling tools
- Patent number 8,863,860
- Issue date Oct 21, 2014
- Halliburton Energy Services, Inc.
- Shilin Chen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ROTARY DRILL BITS WITH BACK-UP CUTTING ELEMENTS TO OPTIMIZE BIT LIFE
- Publication number 20150152689
- Publication date Jun 4, 2015
- Halliburton Energy Services, Inc.
- Shilin Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD OF CONFIGURING DRILLING TOOLS UTILIZING A CRITICA...
- Publication number 20130253836
- Publication date Sep 26, 2013
- Shilin Chen
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD OF CONSTANT DEPTH OF CUT CONTROL OF DRILLING TOOLS
- Publication number 20130233621
- Publication date Sep 12, 2013
- Shilin Chen
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD OF CONFIGURING DRILLING TOOLS UTILIZING A CRITICA...
- Publication number 20130238245
- Publication date Sep 12, 2013
- Shilin Chen
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD OF CONSTANT DEPTH OF CUT CONTROL OF DRILLING TOOLS
- Publication number 20130228378
- Publication date Sep 5, 2013
- Shilin Chen
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD OF IMPROVED DEPTH OF CUT CONTROL OF DRILLING TOOLS
- Publication number 20120111630
- Publication date May 10, 2012
- Shilin Chen
- E21 - EARTH DRILLING MINING