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For the Inventor, By the Inventor

Friedrichshafen, Germany

Rt-Filtertechnik Gmbh

Calculating rank
USPTO Granted Patents = 15


Trademarks = 1

Forward Citations = 20

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19 inventors (with patents filed for the assignee):

goldMedal Gerhard Stehle (8 out of 9 patents)

silverMedal Marco Bautz (6 out of 6 patents)

bronzeMedal Frank Oberli (3 out of 3 patents)

4.  Dirk Schönfeld (3 out of 3 patents)

5.  Dirk Schoenfeld (2 out of 2 patents)

6.  Andreas Steiche (1 out of 1 patent)

7.  Robert Kessel (1 out of 1 patent)

8.  Alexander Wohlers (1 out of 4 patents)

9.  Uwe Fries (1 out of 1 patent)

10.  Carsten Grobe (1 out of 1 patent)

11.  Michael Otto Sakraschinsky (1 out of 25 patents)

12.  John Otto (1 out of 2 patents)

13.  Mathias Dieter (1 out of 1 patent)

14.  Florentin Van Uffelen (1 out of 2 patents)

15.  Alexander Backes (1 out of 1 patent)


15 patents:

1. 12350607 - Filter device (2025-07-08),
2. 12121832 - Filter device (2024-10-22),
3. 12109515 - Filter device (2024-10-08),
4. 11806644 - Filter device (2023-11-07),
5. 11642611 - Filter element (2023-05-09),
6. RE49220 - Filter element (2022-09-26),
7. 11135531 - Filter device (2021-10-05),
8. 10786775 - Separating device (2020-09-29),
9. 10617981 - Filter device for fluids (2020-04-14),
10. 10478759 - Filter element (2019-11-19),
11. 10421031 - Filter device (2019-09-24),
12. 10406457 - Filter device (2019-09-10),
13. 10369499 - Filter device and filter element (2019-08-06),
14. 10213709 - Filter element and hydraulic circuit with such a filter element (2019-02-26),
15. 9849408 - Filter element (2017-12-26),
Company Overview
Rt-Filtertechnik GmbH, based in Friedrichshafen, Germany, specializes in the development and manufacturing of advanced filtration systems. The company focuses on providing innovative solutions for various industries, including automotive, aerospace, and industrial applications. With a commitment to quality and efficiency, Rt-Filtertechnik leverages cutting-edge technology to enhance filtration processes, ensuring optimal performance and compliance with environmental standards. Their expertise positions them as a key player in the filtration technology sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

15 Patents

#9 in Friedrichshafen

#2,780 in Germany

#39,991 in the World

Friedrichshafen, DE
Friedrichshafen, Germany

Rt-Filtertechnik Gmbh

Forward Citations = 20

19 inventors:

goldMedal Gerhard Stehle (8 out of 9 patents)

silverMedal Marco Bautz (6 out of 6 patents)

bronzeMedal Frank Oberli (3 out of 3 patents)

4.  Dirk Schönfeld (3 out of 3 patents)

5.  Dirk Schoenfeld (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rt-Filtertechnik Gmbh. Retrieved from https://idiyas.com/company/rt-filtertechnik

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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