Hoffmann & Co Elektrokohle Ag

Calculating rank

USPTO Granted Patents = 3

% Expired Patents = 33.3

EPO Patents = 4

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

Klaus Reiser (2 out of 10 patents)

Martin Ganzel (1 out of 1 patent)

Johann Angerer (1 out of 1 patent)

4. Hans Rastl (1 out of 5 patents)

5. Conrad Reynvaan (1 out of 1 patent)

6. Stefan Schneweis (1 out of 4 patents)

7. Sven Hartmann (13 patents)

8. Michael Bayer (4 patents)

9. Herbert Grabner (6 patents)

10. Gerhard Limberger (1 patent)

11. Gerhard Bachauer (2 patents)

12. Werner Hück (1 patent)

13. Siegfried Gadocha (1 patent)

3 patents: Sort by Forward Citations

1. 9199540 - Current collector strip for a sliding contact device (2015-12-01),

2. 9120386 - Sensor element for a sensor device (2015-09-01),

3. 8226806 - Electrode for electrolysis (2012-07-24),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#3 in 4822 Bad Goisern

#761 in Austria

Bad Goisern, Austria

Hoffmann & Co Elektrokohle Ag

Forward Citations = 1

6 inventors:

Klaus Reiser (2 out of 10 patents)

Martin Ganzel (1 out of 1 patent)

Johann Angerer (1 out of 1 patent)

4. Hans Rastl (1 out of 5 patents)

5. Conrad Reynvaan (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hoffmann & Co Elektrokohle Ag. Retrieved from https://idiyas.com/company/hoffmann-and-co-elektrokohle-ag

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]

4 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]