% Expired Patents = 100.0

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

Heinz Pichorner (1 out of 4 patents)

Franz Hackl (1 out of 6 patents)

Thomas Biribauer (1 out of 2 patents)

4. Wilfried Hofmüller (1 out of 2 patents)

5. Wilhelm Ritschel (1 out of 2 patents)

6. Franz Wöhrer (1 out of 3 patents)

1 patent: Sort by Forward Citations

#344 in Vienna

#1,438 in Austria

Siemens Österreich

Forward Citations = 1

6 inventors:

Heinz Pichorner (1 out of 4 patents)

Franz Hackl (1 out of 6 patents)

Thomas Biribauer (1 out of 2 patents)

4. Wilfried Hofmüller (1 out of 2 patents)

5. Wilhelm Ritschel (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Siemens Österreich. Retrieved from https://idiyas.com/company/siemens-osterreich

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]