Voestalpine Weichensysteme Gmbh

Calculating rank

USPTO Granted Patents = 2

EPO Patents = 5

Forward Citations = 1

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3 inventors (with patents filed for the assignee):

Alfred Lang (1 out of 5 patents)

Johann Gsodam (1 out of 1 patent)

Heinz Ossberger (1 out of 6 patents)

4. Harald Kopilovitsch (2 patents)

5. Josef Leitner (5 patents)

6. Eduard Guggenberger (1 patent)

7. Johannes Blumauer (2 patents)

8. Klaus Riessberger (16 patents)

9. Markus PÖSENDORFER (0 patent)

10. Wolfgang Hölzl (0 patent)

11. Erik Stocker (0 patent)

12. Mario Hosner (0 patent)

2 patents: Sort by Forward Citations

1. 9487920 - Double frog for track crossings (2016-11-08),

2. 9453307 - Rail switch having a main track and a branch track (2016-09-27),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#4 in Zeltweg

#979 in Austria

Zeltweg, Austria

Voestalpine Weichensysteme Gmbh

Forward Citations = 1

3 inventors:

Alfred Lang (1 out of 5 patents)

Johann Gsodam (1 out of 1 patent)

Heinz Ossberger (1 out of 6 patents)

4. Harald Kopilovitsch (2 patents)

5. Josef Leitner (5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Voestalpine Weichensysteme Gmbh. Retrieved from https://idiyas.com/company/voestalpine-weichensysteme

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]

5 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]