Forward Citations = 30

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7 inventors (with patents filed for the assignee):

Gernot Mayer-Schwinning (1 out of 6 patents)

Gunter Boning (1 out of 2 patents)

Harald Helmrich (1 out of 4 patents)

4. Christian Schulmerich (1 out of 2 patents)

5. Wilhelm Moller (1 out of 1 patent)

6. Erika Schwerdtner (1 out of 1 patent)

7. Peter Haenel (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5849195 - Composite membrane, process of manufacturing it and process of using it (1998-12-15),

2. 5401302 - Electrostatic separator comprising honeycomb collecting electrodes (1995-03-28),

3. 4935113 - Process of purifying the aqueous effluent from paint, lacquer and (1990-06-19),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#133 in Frankfurt

#8,434 in Germany

Frankfurt, Germany

Metallgesellschaft Aktiengesell-Schaft

Forward Citations = 30

7 inventors:

Gernot Mayer-Schwinning (1 out of 6 patents)

Gunter Boning (1 out of 2 patents)

Harald Helmrich (1 out of 4 patents)

4. Christian Schulmerich (1 out of 2 patents)

5. Wilhelm Moller (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Metallgesellschaft Aktiengesell-Schaft. Retrieved from https://idiyas.com/company/metallgesellschaft-aktiengesell-schaft

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]