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USPTO Data Jan 1 1976 - Dec 30 2025
516 Patents
#2 in Weinheim
#114 in Germany
#1,830 in the World
Carl Freudenberg Kg
Forward Citations = 2,428
703 inventors:
Carl Freudenberg Kg
CIPO Patents = 45
EPO Patents = 530
Trademarks = 70
Forward Citations = 2,428
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703 inventors (with patents filed for the assignee):
Norbert Weis (24 out of 25 patents)
Uwe Dingert (24 out of 32 patents)
Doug Metzel (21 out of 25 patents)
4. Peter Kritzer (17 out of 17 patents)
5. Andreas Eisenhut (15 out of 16 patents)
6. Olaf Nahrwold (13 out of 14 patents)
7. Ulrich Stahl (12 out of 12 patents)
8. Diana Thyson (12 out of 12 patents)
9. Markus Rueckheim (11 out of 11 patents)
10. Boris Traber (10 out of 10 patents)
11. Alessandro Brugora (10 out of 11 patents)
12. Martin Heldmann (10 out of 10 patents)
13. Oliver Staudenmayer (10 out of 11 patents)
14. Peter S Grynaeus (10 out of 15 patents)
15. Renate Tapper (9 out of 9 patents)
Core Competencies:
Electrochemical Energy Storage
Additive Manufacturing
Biodegradable Binder
Gas Diffusion Layer
Cleaning Devices
Composite Materials
Nonwoven Laminate
Sealing Arrangements
Thermally Fusible Sheets
Mop Technology
Ventilation Systems
Pressure Equalizing Devices
516 patents:
Carl Freudenberg KG is a global technology company that specializes in seals and vibration control technology, technical textiles, filtration, nonwovens, surface treatments, and specialty chemicals. With a rich history of over 165 years, the company has a strong commitment to delivering innovative solutions to its customers across various industries.
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45 patents (CIPO):
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530 patents (EPO):
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