Daniel Frederick Fehler

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of reducing sand production from a wellbore
- Patent number 7,451,818
- Issue date Nov 18, 2008
- Shell Oil Company
- Michael Anthony Addis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Use of mono and polyalkylene glycol ethers as agents for the releas...
- Patent number 4,614,235
- Issue date Sep 30, 1986
- Exxon Chemical Patents Inc.
- Ivian G. Keener
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method of reducing sand production from a wellbore
- Publication number 20070079967
- Publication date Apr 12, 2007
- Michael Anthony Addis
- E21 - EARTH DRILLING MINING