David W. Coleman

Follow

Person

Broussard, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wireline hydraulic driven mill bottom hole assemblies and methods o...
- Patent number 9,574,417
- Issue date Feb 21, 2017
- Baker Hughes Incorporated
- Mary L. Laird
- E21 - EARTH DRILLING MINING
Information Patent Grant
Preload and centralizing device for milling subterranean barrier va...
- Patent number 9,051,799
- Issue date Jun 9, 2015
- Baker Hughes Incorporated
- David W. Coleman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Slickline or wireline run hydraulic motor driven mill
- Patent number 8,915,298
- Issue date Dec 23, 2014
- Baker Hughes Incorporated
- Mary L. Laird
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tension-activated fluid bypass device and associated method
- Patent number 8,074,716
- Issue date Dec 13, 2011
- Baker Hughes Incorporated
- Jace E. Melder
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Wireline Hydraulic Driven Mill Bottom Hole Assemblies and Methods o...
- Publication number 20140360724
- Publication date Dec 11, 2014
- Mary L. Laird
- E21 - EARTH DRILLING MINING
Information Patent Application
Preload and Centralizing Device for Milling Subterranean Barrier Va...
- Publication number 20140060801
- Publication date Mar 6, 2014
- BAKER HUGHES INCORPORATED
- David W. Coleman
- E21 - EARTH DRILLING MINING
Information Patent Application
Slickline or Wireline Run Hydraulic Motor Driven Mill
- Publication number 20130153227
- Publication date Jun 20, 2013
- BAKER HUGHES INCORPORATED
- Mary L. Laird
- E21 - EARTH DRILLING MINING
Information Patent Application
Tension-Activated Fluid Bypass Device
- Publication number 20110011588
- Publication date Jan 20, 2011
- BAKER HUGHES INCORPORATED
- Jace E. Melder
- E21 - EARTH DRILLING MINING