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Winterthur, Switzerland

K.k. Holding Ag

USPTO Granted Patents = 24

Trademarks = 3

Forward Citations = 394

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28 inventors (with patents filed for the assignee):

Christopherus Bader (5 out of 12 patents)

Paul Engeler (5 out of 16 patents)

Hans Conrad Sonderegger (4 out of 18 patents)

4. Claudio Cavalloni (3 out of 23 patents)

5. Reto Calderara (3 out of 16 patents)

6. Markus Zanetti (3 out of 3 patents)

7. Peter Wolfer (2 out of 29 patents)

8. Kurt Vollenweider (2 out of 6 patents)

9. Christian Calame (2 out of 2 patents)

10. Denis Kohler (1 out of 9 patents)

11. Stefan Brechbühl (1 out of 4 patents)

12. Roland Sommer (1 out of 4 patents)

13. Christof Sonderegger (1 out of 14 patents)

14. Ernst Pletscher (1 out of 5 patents)

15. Josef Stirnimann (1 out of 2 patents)

24 patents: Sort by Forward Citations

1. 6564623 - Method for determining the top dead center of an internal combustion engine (2003-05-20),

2. 6389894 - Method for determining the heights of multiple jumps (2002-05-21),

3. 6360598 - Biomechanical measuring arrangement (2002-03-26),

4. 6301544 - Traffic monitoring system (2001-10-09),

5. 6218898 - Circuitry for measuring piezoelectric signals (2001-04-17),

6. 6212963 - Piezo-transducer and cabling configuration (2001-04-10),

7. 6112600 - Measuring platform for weight and brake system monitoring (2000-09-05),

8. 6105434 - Acceleration-compensated pressure transducer (2000-08-22),

9. 6090318 - Process for controlling the hot-runner heating of a multicavity (2000-07-18),

10. 5993704 - Process for determining the switchover point in the production of a die (1999-11-30),

11. 5983722 - Piezobloc accelerometer (1999-11-16),

12. 5942681 - Arrangement for measuring the tire pressure of moving vehicles from the (1999-08-24),

13. 5913242 - Portable jumping force measuring platform (1999-06-15),

14. 5821432 - Force and /or moment measuring device (1998-10-13),

15. 5753798 - Pressure sensor for gaseous and/or liquid media of internal combustion (1998-05-19),

Company Overview

K.k. Holding Ag is a Swiss company based in Winterthur, specializing in the development and manufacturing of advanced technological solutions. The organization focuses on various sectors, including engineering and industrial applications, leveraging innovative methodologies to enhance product performance and efficiency. With a commitment to research and development, K.k. Holding Ag aims to drive progress in its fields of expertise, contributing to advancements that meet the evolving needs of its clients and the market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

24 Patents

#14 in Winterthur

#540 in Switzerland

#26,660 in the World

Winterthur, Switzerland

K.k. Holding Ag

Forward Citations = 394

28 inventors:

Christopherus Bader (5 out of 12 patents)

Paul Engeler (5 out of 16 patents)

Hans Conrad Sonderegger (4 out of 18 patents)

4. Claudio Cavalloni (3 out of 23 patents)

5. Reto Calderara (3 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: K.k. Holding Ag. Retrieved from https://idiyas.com/company/k-k-holding-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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