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For the Inventor, By the Inventor

Munich, Germany

Fos4x Gmbh

USPTO Granted Patents = 15



Trademarks = 1

Forward Citations = 25

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12 inventors (with patents filed for the assignee):

goldMedal Mathias Müller (9 out of 13 patents)

silverMedal Markus Schmid (4 out of 4 patents)

bronzeMedal Thomas Schauss (4 out of 4 patents)

4.  Florian Rieger (4 out of 5 patents)

5.  Sascha Kienitz (2 out of 6 patents)

6.  Manuel Mai (2 out of 2 patents)

7.  Fabian Zelenka (2 out of 2 patents)

8.  Matthias Schubert (2 out of 10 patents)

9.  Peter Stähler (1 out of 1 patent)

10.  Thomas Grübler (1 out of 4 patents)

11.  Mathias Schubert (1 out of 1 patent)

12.  Benjamin Zorn (1 out of 1 patent)

13.  Lars Hoffmann (19 patents)

14.  Thorbjörn Buck (4 patents)

15.  Rolf Wojtech (4 patents)


15 patents:

1. 11448195 - Sensor arrangement for a wind turbine (2022-09-20),
2. 11371486 - Determining a blade bending moment with two load sensors per rotor blade and taking rotor data into consideration (2022-06-28),
3. 11243224 - Fiber-optic acceleration sensor having lever arm (2022-02-08),
4. 11237134 - Acoustic emission sensor having at least two mechanical coupling elements (2022-02-01),
5. 11237060 - Optoelectrical chip (2022-02-01),
6. 11174841 - Method for increasing the yield of a wind farm under icing conditions (2021-11-16),
7. 11105318 - Method for calibrating nominal frequencies (2021-08-31),
8. 10865778 - Method for ascertaining a value of an ice buildup quantity on at least one rotor blade of a wind turbine, and use thereof (2020-12-15),
9. 10816425 - Fibre-optic pressure sensor having an optical resonator and a method for pressure measurement (2020-10-27),
10. 10761261 - Light guide clamping device, fiber optic sensor and production method (2020-09-01),
11. 10718316 - Method for predicting the accumulation of ice on a rotor blade of a wind turbine and the use thereof (2020-07-21),
12. 10684145 - Sensor patch and method for producing a sensor patch (2020-06-16),
13. 10655601 - Method for the individual pitch control of rotor blades of a wind turbine, and wind turbines (2020-05-19),
14. 10578427 - Apparatus and method for measuring the torsion of a test object (2020-03-03),
15. 10422321 - Method for monitoring a wind turbine, method for identifying ice on a wind turbine, acceleration sensor for a rotor blade, rotor blade comprising an acceleration sensor, and profile for a rotor blade (2019-09-24),
Company Overview
Fos4x GmbH, based in Munich, specializes in advanced sensor technology and data analytics solutions for wind energy applications. The company focuses on enhancing the efficiency and safety of wind turbines through innovative monitoring systems that leverage real-time data. By integrating cutting-edge technologies, Fos4x aims to optimize turbine performance and reduce operational costs, contributing to the growth of sustainable energy solutions in the renewable sector. Their expertise positions them as a key player in the wind energy landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

15 Patents

#155 in W-8000 Munich

#2,777 in Germany

#39,959 in the World

Munich, DE
Munich, Germany

Fos4x Gmbh

Forward Citations = 25

12 inventors:

goldMedal Mathias Müller (9 out of 13 patents)

silverMedal Markus Schmid (4 out of 4 patents)

bronzeMedal Thomas Schauss (4 out of 4 patents)

4.  Florian Rieger (4 out of 5 patents)

5.  Sascha Kienitz (2 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fos4x Gmbh. Retrieved from https://idiyas.com/company/fos4x

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]
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