Charles A. Brecher

Follow

Person

Spring, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Monitoring and control systems for continuous circulating drilling...
- Patent number 9,057,235
- Issue date Jun 16, 2015
- Baker Hughes Incorporated
- D. Duncan Blue
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MONITORING AND CONTROL SYSTEMS FOR CONTINUOUS CIRCULATING DRILLING...
- Publication number 20140166364
- Publication date Jun 19, 2014
- BAKER HUGHES INCORPORATED
- D. Duncan Blue
- E21 - EARTH DRILLING MINING