Uwe Draeger

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Barsinghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Bearing arrangement for a turbine rotor of a drill string turbine
- Patent number 8,109,721
- Issue date Feb 7, 2012
- Weatherford Energy Services GmbH
- Helmut Winnacker
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Turbine for power generation in a drill string
- Patent number 8,092,147
- Issue date Jan 10, 2012
- Weatherford Energy Services GmbH
- Uwe Draeger
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Controllable pressure-reducing valve and device for the generation...
- Patent number 8,042,572
- Issue date Oct 25, 2011
- Weatherford Energy Services GmbH
- Helmut Winnacker
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Turbine for power generation in a drill string
- Publication number 20090104021
- Publication date Apr 23, 2009
- Weatherford Energy Services GmbH
- Uwe Draeger
- E21 - EARTH DRILLING MINING
Information Patent Application
Controllable pressure-reducing valve and device for the generation...
- Publication number 20090056820
- Publication date Mar 5, 2009
- Weatherford Energy Services GmbH
- Helmut Winnacker
- E21 - EARTH DRILLING MINING
Information Patent Application
Bearing arrangement for a turbine rotor of a drill string turbine
- Publication number 20080240909
- Publication date Oct 2, 2008
- Weatherford Energy Services GmbH
- Helmut Winnacker
- E21 - EARTH DRILLING MINING