Patrick R. Markwardt

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Brenham, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Annular wet connector
- Patent number 10,693,251
- Issue date Jun 23, 2020
- Baker Hughes, a GE company, LLC
- Colby W. Ross
- E21 - EARTH DRILLING MINING
Information Patent Grant
Perforating system with shaped charge case having a modified boss
- Patent number 7,735,578
- Issue date Jun 15, 2010
- Baker Hughes Incorporated
- John D. Loehr
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Annular Wet Connector
- Publication number 20190148861
- Publication date May 16, 2019
- BAKER HUGHES, A GE COMPANY, LLC
- Colby W. Ross
- E21 - EARTH DRILLING MINING
Information Patent Application
PERFORATING SYSTEM WITH SHAPED CHARGE CASE HAVING A MODIFIED BOSS
- Publication number 20090200009
- Publication date Aug 13, 2009
- John D. Loehr
- E21 - EARTH DRILLING MINING