Forward Citations = 7

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9 inventors (with patents filed for the assignee):

Rudolf Geier (3 out of 7 patents)

Jurgen Hartig (1 out of 2 patents)

Klaus Stemmer (1 out of 1 patent)

4. Jurgen Rink (1 out of 2 patents)

5. Klaus Kleinecke (1 out of 1 patent)

6. Theodor J Urgens (1 out of 1 patent)

7. Wilhelm W Ullscheidt (1 out of 1 patent)

8. Wolfgang Kramer (1 out of 1 patent)

9. Ingo Eiflander (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5965073 - Process and device for producing polyester yarns (1999-10-12),

2. 5635590 - Process and polycondensation apparatus for the treatment of contaminated (1997-06-03),

3. 5596068 - Polyester resin for producing articles having high transparency and a (1997-01-21),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#77 in Essen

#8,427 in Germany

Essen, Germany

John Brown Deutsche Engineering Gmbh

Forward Citations = 7

9 inventors:

Rudolf Geier (3 out of 7 patents)

Jurgen Hartig (1 out of 2 patents)

Klaus Stemmer (1 out of 1 patent)

4. Jurgen Rink (1 out of 2 patents)

5. Klaus Kleinecke (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: John Brown Deutsche Engineering Gmbh. Retrieved from https://idiyas.com/company/john-brown-deutsche-engineering

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]