Scott A. Darby

Follow

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Flow actuated valve for use in a wellbore
- Patent number 6,622,795
- Issue date Sep 23, 2003
- Weatherford/Lamb, Inc.
- John E. Hebert
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Flow actuated valve for use in a wellbore
- Publication number 20030098163
- Publication date May 29, 2003
- John E. Hebert
- E21 - EARTH DRILLING MINING