For the Inventor, By the Inventor

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Edemissen, Germany

Precision Drilling Technology Services Gmbh

USPTO Granted Patents = 3

Forward Citations = 79

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2 inventors (with patents filed for the assignee):

Helmut Winnacker (3 out of 14 patents)

Uwe Dräger (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 6864593 - Device for producing of electric energy and of signal transmitting pressure pulses (2005-03-08),

2. 6850463 - Borehole logging apparatus for deep well drilling (2005-02-01),

3. 6636159 - Borehole logging apparatus for deep well drillings with a device for transmitting borehole measurement data (2003-10-21),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#2 in Edemissen

#8,262 in Germany

Edemissen, Germany

Precision Drilling Technology Services Gmbh

Forward Citations = 79

2 inventors:

Helmut Winnacker (3 out of 14 patents)

Uwe Dräger (1 out of 1 patent)

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