Donald F. Ingvardsen

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method to install velocity string
- Patent number 10,337,269
- Issue date Jul 2, 2019
- Baker Hughes, a GE company, LLC
- Stephen Henry Bisset
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD TO INSTALL VELOCITY STRING
- Publication number 20170362907
- Publication date Dec 21, 2017
- BAKER HUGHES INCORPORATED
- Stephen Henry Bisset
- E21 - EARTH DRILLING MINING
Information Patent Application
Valving Device and Method of Valving
- Publication number 20110203805
- Publication date Aug 25, 2011
- BAKER HUGHES INCORPORATED
- James H. Kritzler
- E21 - EARTH DRILLING MINING