% Expired Patents = 100.0

Forward Citations = 11

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15 inventors (with patents filed for the assignee):

Erling Rytter (3 out of 29 patents)

Sigrid Eri (3 out of 8 patents)

Manfred Ruppel (2 out of 3 patents)

4. Dag Schanke (2 out of 9 patents)

5. Thomas Sperle (1 out of 11 patents)

6. Pål Søraker (1 out of 4 patents)

7. Øyvind Borg (1 out of 1 patent)

8. Thomas Gutermuth (1 out of 5 patents)

9. Pal Soraker (1 out of 3 patents)

10. Matthias Wagner (1 out of 3 patents)

11. Oyvind Borg (1 out of 3 patents)

12. Trond Myrstad (1 out of 6 patents)

13. Rune Myrstad (1 out of 1 patent)

14. Odd Asbjørn Lindvåg (1 out of 1 patent)

15. Torild Hulsund Skagseth (1 out of 2 patents)

5 patents: Sort by Forward Citations

1. 10040054 - Fischer-Tropsch synthesis (2018-08-07),

2. 9039980 - Slurry bubble column reactor (2015-05-26),

3. 8980201 - Apparatus and process for three-phase reaction (2015-03-17),

4. 8969231 - Fischer-Tropsch catalysts (2015-03-03),

5. 8921252 - Fischer-Tropsch catalyst regeneration (2014-12-30),

Company Overview

Gtl.fi Ag is a Finnish technology company specializing in solutions for the agriculture industry. Their products range from smart sensors and monitoring systems to advanced data analytics and automation tools. With a focus on sustainability and efficiency, Gtl.fi Ag helps farmers optimize their operations and improve crop yields. Visit their website for more information.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#110 in Zurich

#1,706 in Switzerland

Zurich, Switzerland

Gtl.fi Ag

Forward Citations = 11

15 inventors:

Erling Rytter (3 out of 29 patents)

Sigrid Eri (3 out of 8 patents)

Manfred Ruppel (2 out of 3 patents)

4. Dag Schanke (2 out of 9 patents)

5. Thomas Sperle (1 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gtl.fi Ag. Retrieved from https://idiyas.com/company/gtl-fi-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]