Dorr-Oliver Deutschland Gmbh

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 6

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3 inventors (with patents filed for the assignee):

Hubert Coenen (1 out of 18 patents)

Paul H Franzen (1 out of 1 patent)

Dieter Frassdorf (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5300013 - Double centrifuge for highly viscous material (1994-04-05),

2. 5182406 - Process and apparatus for recovering vegetable fats and oils from (1993-01-26),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#9 in Grevenbroich

#10,701 in Germany

Grevenbroich, Germany

Dorr-Oliver Deutschland Gmbh

Forward Citations = 6

3 inventors:

Hubert Coenen (1 out of 18 patents)

Paul H Franzen (1 out of 1 patent)

Dieter Frassdorf (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dorr-Oliver Deutschland Gmbh. Retrieved from https://idiyas.com/company/dorr-oliver-deutschland

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]