CIPO Patents = 1

Trademarks = 1

Forward Citations = 113

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4 inventors (with patents filed for the assignee):

Manfred Jansch (2 out of 13 patents)

Bernd G Pietras (1 out of 5 patents)

Hans-Christian Bock (1 out of 2 patents)

4. Bernd Reinholdt (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 4876884 - Apparatus for testing the gas-tightness of joints between hollow bodies (1989-10-31),

2. 4753108 - Apparatus for testing connections between pieces of piping for (1988-06-28),

3. 4739681 - Machine for making up and breaking out pipe joints (1988-04-26),

4. 4492134 - Apparatus for screwing pipes together (1985-01-08),

Weatherford Oil Tool GmbH is a leading oilfield service company, providing innovative solutions, technology and services to the oil and gas industry. With a global presence and a commitment to excellence, Weatherford strives to deliver value to its customers by optimizing production, reducing costs and improving safety.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

4 Patents

#6 in Langenhagen

#6,914 in Germany

Langenhagen, Germany

Weatherford Oil Tool Gmbh

Forward Citations = 113

4 inventors:

Manfred Jansch (2 out of 13 patents)

Bernd G Pietras (1 out of 5 patents)

Hans-Christian Bock (1 out of 2 patents)

4. Bernd Reinholdt (1 out of 1 patent)

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1 patent (CIPO):

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