Forward Citations = 22

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8 inventors (with patents filed for the assignee):

Heinz Eschnauer (1 out of 2 patents)

Helmut Meinhardt (1 out of 3 patents)

Klaus Schroeer (1 out of 1 patent)

4. Gerhard Schoening (1 out of 1 patent)

5. Wilfried Floeter (1 out of 1 patent)

6. Reinhold Lutz (1 out of 1 patent)

7. Helgo Wendt, Deceased (1 out of 1 patent)

8. E Lugscheider (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4671932 - Nickel-based hard alloy (1987-06-09),

2. 4451438 - Process for recovering niobium and/or tantalum metal compounds from such (1984-05-29),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#334 in D-1000 Berlin

#10,696 in Germany

Berlin, Germany

Herman C. Starck Berlin

Forward Citations = 22

8 inventors:

Heinz Eschnauer (1 out of 2 patents)

Helmut Meinhardt (1 out of 3 patents)

Klaus Schroeer (1 out of 1 patent)

4. Gerhard Schoening (1 out of 1 patent)

5. Wilfried Floeter (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Herman C. Starck Berlin. Retrieved from https://idiyas.com/company/herman-c-starck-berlin

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]