A. Burl Donaldson

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Albuquerque, NM, US

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Patents Grantslast 30 patents

Information Patent Grant
Direct electrical steam generation for downhole heavy oil stimulation
- Patent number 9,752,422
- Issue date Sep 5, 2017
- Donaldson Engineering, Inc.
- A. Burl Donaldson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wetstacking avoidance in internal combustion engines
- Patent number 6,848,419
- Issue date Feb 1, 2005
- New Mexico State University Technology Transfer Corporation
- A. Burl Donaldson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Steam generator having a high pressure combustor with controlled th...
- Patent number 4,648,835
- Issue date Mar 10, 1987
- Enhanced Energy Systems
- Stephen Eisenhawer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Direct contact low emission steam generating system and method util...
- Patent number 4,498,542
- Issue date Feb 12, 1985
- Enhanced Energy Systems
- Stephen Eisenhawer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole steam generator with improved preheating/cooling features
- Patent number 4,411,618
- Issue date Oct 25, 1983
- A. Burl Donaldson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole steam injector
- Patent number 4,366,860
- Issue date Jan 4, 1983
- The United States of America as represented by the United States Department o...
- A. Burl Donaldson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Direct Electrical Steam Generation for Downhole Heavy Oil Stimulation
- Publication number 20150122497
- Publication date May 7, 2015
- A. Burl Donaldson
- E21 - EARTH DRILLING MINING