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Mannedorf, Switzerland

Cerberus Ag

USPTO Granted Patents = 129

Trademarks = 4

Forward Citations = 1,918

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104 inventors (with patents filed for the assignee):

Andreas Scheidweiler (15 out of 15 patents)

Jurg Muggli (15 out of 15 patents)

Kurt A Muller (9 out of 12 patents)

4. Martin Forster (8 out of 12 patents)

5. Gustav Pfister (7 out of 7 patents)

6. Bernhard Durrer (6 out of 6 patents)

7. William G Kahl, Jr (6 out of 9 patents)

8. Hannes Guttinger (5 out of 5 patents)

9. Rudolf Genahr (5 out of 5 patents)

10. Peter Ryser (5 out of 5 patents)

11. Dieter Wieser (5 out of 5 patents)

12. Hansjurg Keller (5 out of 6 patents)

13. Otto Meier (5 out of 5 patents)

14. Erwin Tresch (5 out of 5 patents)

15. Peter Wagli (5 out of 5 patents)

Core Competencies:

Optoacoustic Gas Sensor

Passive Infrared Intrusion Detector

Automatic Surveillance Device

Optical Smoke Detector

Fire Detection Systems

Intrusion Detection Systems

Photo-Acoustic Gas Sensor

Structure-Borne Sound Detector

Alarm Systems

Flame Detection Methods

Organic Vapor Detection

Testing Apparatus for Detectors

129 patents: Sort by Forward Citations

1. 6011464 - Method for analyzing the signals of a danger alarm system and danger (2000-01-04),

2. 6006585 - Optoacoustic gas sensor (1999-12-28),

3. 5942976 - Passive infrared intrusion detector and its use (1999-08-24),

4. 5939994 - Automatic surveillance device (1999-08-17),

5. 5928344 - Serial data bus and use thereof (1999-07-27),

6. 5874314 - Method for detecting organic vapors and aerosols (1999-02-23),

7. 5872634 - Optical smoke detector operating in accordance with the extinction (1999-02-16),

8. 5841017 - Photo-acoustic gas sensor (1998-11-24),

9. 5786756 - Method and system for the prevention of false alarms in a fire alarm (1998-07-28),

10. 5753797 - Photo-acoustic gas sensor and its manufacture and use (1998-05-19),

11. 5751209 - System for the early detection of fires (1998-05-12),

12. 5705985 - Structure-borne sound detector for break-in surveillance (1998-01-06),

13. 5675150 - Active IR intrusion detector (1997-10-07),

14. 5659316 - Signal evaluation circuit for a motion detector (1997-08-19),

15. 5608220 - Infrared intrusion detector with a multi-layer mirror (1997-03-04),

Cerberus AG is a global investment firm specializing in alternative investments. With a diverse portfolio, our expertise spans across real estate, private equity, credit, and distressed assets. We aim to generate strong, risk-adjusted returns for our clients through innovative strategies and operational improvement. Our investment approach is rooted in deep research, due diligence, and a long-term perspective. Visit our website to learn more about our investment philosophy and opportunities.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

129 Patents

#2 in Mannedorf

#133 in Switzerland

#6,043 in the World

Mannedorf, Switzerland

Cerberus Ag

Forward Citations = 1,918

104 inventors:

Andreas Scheidweiler (15 out of 15 patents)

Jurg Muggli (15 out of 15 patents)

Kurt A Muller (9 out of 12 patents)

4. Martin Forster (8 out of 12 patents)

5. Gustav Pfister (7 out of 7 patents)

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