% Expired Patents = 33.3

EPO Patents = 6

Trademarks = 1

Forward Citations = 11

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3 inventors (with patents filed for the assignee):

Rolf Pfeiffer (3 out of 4 patents)

Gerd Zinn (2 out of 3 patents)

Carsten Rosenkranz (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 11105217 - Turbine generator and method of operating a turbine generator (2021-08-31),

2. 10010928 - Device for connecting structural components, in particularly by means of direct screwing, especially flow hole screwing, or by means of friction welding, and method for connecting structural components, in particular by means of direct screwing or friction welding (2018-07-03),

3. 9901974 - Method for direct screwing of structural components, in particular for flow hole screwing and device for direct screwing of structural components (2018-02-27),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#6 in Amberg

#8,434 in Germany

Amberg, Germany

Deprag Schulz Gmbh U. Co.

Forward Citations = 11

3 inventors:

Rolf Pfeiffer (3 out of 4 patents)

Gerd Zinn (2 out of 3 patents)

Carsten Rosenkranz (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Deprag Schulz Gmbh U. Co.. Retrieved from https://idiyas.com/company/deprag-schulz-u-company

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]

6 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]