Detlef Ragnitz

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Hornoldendorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Integrated modular connector in a drill pipe
- Patent number 6,688,396
- Issue date Feb 10, 2004
- Baker Hughes Incorporated
- Helmut Floerke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Drilling apparatus with motor-driven pump steering control
- Patent number 6,439,325
- Issue date Aug 27, 2002
- Baker Hughes Incorporated
- Volker Peters
- E21 - EARTH DRILLING MINING
Information Patent Grant
Steerable modular drilling assembly
- Patent number 6,427,783
- Issue date Aug 6, 2002
- Baker Hughes Incorporated
- Volker Krueger
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Integrated modular connector in a drill pipe
- Publication number 20020112852
- Publication date Aug 22, 2002
- Baker Hughes Inc.
- Helmut Floerke
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Steerable modular drilling assembly
- Publication number 20010042643
- Publication date Nov 22, 2001
- Volker Krueger
- E21 - EARTH DRILLING MINING