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Heiden, Switzerland

Sefar Ag

USPTO Granted Patents = 24

% Expired Patents = 54.2

EPO Patents = 40

Forward Citations = 116

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35 inventors (with patents filed for the assignee):

Mohammad Mokbul Hossain (4 out of 4 patents)

Christoph Maurer (4 out of 4 patents)

Christian Schilling (4 out of 4 patents)

4. Peter Chabrecek (3 out of 4 patents)

5. Hansjoerg Duer (3 out of 3 patents)

6. Christoph Ellenberger (3 out of 3 patents)

7. Rouven Seidler (2 out of 2 patents)

8. Matteo Camani (2 out of 2 patents)

9. Isabell Erlenmaier (2 out of 2 patents)

10. Christian Dietmayer (2 out of 2 patents)

11. Christian Gurtner (2 out of 2 patents)

12. Martin Lehner (2 out of 2 patents)

13. Karim Chakhari (2 out of 2 patents)

14. Gerd Gerdes (1 out of 1 patent)

15. Jeremie Weber (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 12629920 - Polymeric fabric (2026-05-19),

2. 12618194 - Method of producing an object having a fluorinated polymer coating (2026-05-05),

3. 12186776 - Method for producing a carrier layer with a hydrophilic polymeric nanocoating (2025-01-07),

4. 11118286 - Surface piece (2021-09-14),

5. 10571970 - Composite membrane and method for producing a composite membrane (2020-02-25),

6. 10568983 - Wound dressing material and method for its production (2020-02-25),

7. 10358749 - Surface piece (2019-07-23),

8. 10328374 - Method for producing a contoured filter element and filter element arrangement (2019-06-25),

9. 10315145 - Filter for filtering a liquid or a gas (2019-06-11),

10. 9993759 - Filter means and filter element for treating a flushing liquid for material-removing machining and method for material-removing machining (2018-06-12),

11. 9861918 - Filter medium (2018-01-09),

12. 9313884 - Electrode substrate and planar optoelectronic device (2016-04-12),

13. 9278299 - Filter element including a filter press plate (2016-03-08),

14. 8291554 - Fastening element for two-dimensional fibre material and method for fastening two-dimensional fibre material (2012-10-23),

15. 8197685 - Filter element, securing ring and method for filtering (2012-06-12),

Company Overview

Sefar AG is a leading manufacturer of high-performance technical fabrics and mesh solutions, specializing in applications across various industries including filtration, medical, and electronics. The company focuses on developing innovative materials that enhance product performance and efficiency, leveraging advanced textile technology. With its headquarters in Heiden, Switzerland, Sefar serves a global market, providing tailored solutions that meet the specific needs of its diverse clientele.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

24 Patents

#1 in Heiden

#540 in Switzerland

#26,686 in the World

Heiden, Switzerland

Sefar Ag

Forward Citations = 116

35 inventors:

Mohammad Mokbul Hossain (4 out of 4 patents)

Christoph Maurer (4 out of 4 patents)

Christian Schilling (4 out of 4 patents)

4. Peter Chabrecek (3 out of 4 patents)

5. Hansjoerg Duer (3 out of 3 patents)

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

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