% Expired Patents = 100.0

CIPO Patents = 1

EPO Patents = 8

Forward Citations = 4

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4 inventors (with patents filed for the assignee):

Hans Friedmann (2 out of 2 patents)

An-Ping Zeng (1 out of 1 patent)

Johann Friedmann (1 out of 1 patent)

4. Christian Heck (1 out of 1 patent)

5. Jürgen Kube (0 patent)

6. Bernd Mutke (0 patent)

7. Johannes Ellenrieder (0 patent)

8. Jürgen Dr-Ing Kube (0 patent)

9. Jürgen Kube (0 patent)

10. Frank Frankenberg (0 patent)

11. Dirk Harders (0 patent)

3 patents: Sort by Forward Citations

1. 8962309 - Apparatus and process for the conversion into biogas of fermentation stillage arising as a waste product of ethanol production (2015-02-24),

2. 8426162 - Process and apparatus for the microbial production of a specific product and methane (2013-04-23),

3. 8293523 - Agitator for a fermenter, fermenter and method for operating a fermenter (2012-10-23),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#585 in Pfaffenhofen/ILM

#8,434 in Germany

Pfaffenhofen/ILM, Germany

Agraferm Technologies Ag

Forward Citations = 4

4 inventors:

Hans Friedmann (2 out of 2 patents)

An-Ping Zeng (1 out of 1 patent)

Johann Friedmann (1 out of 1 patent)

4. Christian Heck (1 out of 1 patent)

5. Jürgen Kube (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Agraferm Technologies Ag. Retrieved from https://idiyas.com/company/agraferm-technologies-ag

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]

1 patent (CIPO):

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]

8 patents (EPO):

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]