CIPO Patents = 3

Forward Citations = 15

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2 inventors (with patents filed for the assignee):

Helmut Winnacker (4 out of 14 patents)

Uwe Draeger (3 out of 3 patents)

Hermann Juengerink (0 patent)

4 patents: Sort by Forward Citations

1. 8585349 - Turbine for driving a generator in a drill string (2013-11-19),

2. 8109721 - Bearing arrangement for a turbine rotor of a drill string turbine (2012-02-07),

3. 8092147 - Turbine for power generation in a drill string (2012-01-10),

4. 8042572 - Controllable pressure-reducing valve and device for the generation of pressure change signals (2011-10-25),

Weatherford is a leading provider of equipment and services to the oil and gas industry. With a focus on innovative technology and efficient solutions, Weatherford Energy Services GmbH offers a wide range of products and services including tubular running services, drilling tools, completion systems, and artificial lift solutions. With operations in over 80 countries, Weatherford is committed to delivering quality services and driving performance for their customers.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

4 Patents

#1 in Edemissen

#6,900 in Germany

Edemissen, Germany

Weatherford Energy Services Gmbh

Forward Citations = 15

2 inventors:

Helmut Winnacker (4 out of 14 patents)

Uwe Draeger (3 out of 3 patents)

Hermann Juengerink (0 patent)

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3 patents (CIPO):

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