For the Inventor, By the Inventor

Enter assignee name

Meyrin, Switzerland

Charmilles Technologies S.a.

USPTO Granted Patents = 81

% Expired Patents = 16.0

EPO Patents = 7

Forward Citations = 642

Loading Chart...

Loading Chart...

86 inventors (with patents filed for the assignee):

Roger Girardin (13 out of 16 patents)

Roland Martin (9 out of 12 patents)

Rino D'Amario (5 out of 13 patents)

4. Nicola Giandomenico (5 out of 6 patents)

5. Reto Knaak (5 out of 9 patents)

6. Franck Besson (5 out of 5 patents)

7. Jean-Paul Briffod (5 out of 9 patents)

8. Joseph Josserand (5 out of 5 patents)

9. Claudio Tricarico (4 out of 7 patents)

10. Jean-Claude Diot (4 out of 5 patents)

11. Roger Delpretti (4 out of 11 patents)

12. Ernst Buhler (4 out of 23 patents)

13. Jean Paul Briffod (4 out of 4 patents)

14. Francois Balleys (4 out of 4 patents)

15. Fabrice Jaques (3 out of 5 patents)

Core Competencies:

Electrical Discharge Machining

Electroerosion

Wire Cutting

Machining Fluid

Pulse Generator

CNC Machine Tool

Electrode Wire

Machining Tank

Control Process

Automatic Machining

Tool Holder

Electrode Positioning

81 patents: Sort by Forward Citations

1. 8519296 - Method and machine for machining parts using spark-erosion milling (2013-08-27),

2. 8395069 - Method and apparatus for controlling an electric discharge machining process (2013-03-12),

3. 8369980 - Method of operating a machine tool, a machine tool system and components thereof (2013-02-05),

4. 8299386 - Device designed to cut off the spent wire on a spark erosion machine (2012-10-30),

5. 8242403 - Wire electric discharge machining method and apparatus (2012-08-14),

6. 8093527 - Device and method for high frequency electrical discharge machining (2012-01-10),

7. 7948758 - Circuit board unit and method for production thereof (2011-05-24),

8. 7947918 - Method and generator for electrical discharge machining (2011-05-24),

9. D627375 - Machine tool (2010-11-16),

10. 7816620 - Method and generator for electrical discharge machining (2010-10-19),

11. 7812277 - Method and generator for electrical discharge machining (2010-10-12),

12. 7608795 - Device for machining by electroerosion (2009-10-27),

13. 7310560 - Numerically controlled drive device with device for detecting operating anomalies intended for detecting accidental collisions and method of detecting operating anomalies for this device (2007-12-18),

14. 7294806 - Method and device for measuring and adjusting the electrode for taper machining on an electrical discharge machine (2007-11-13),

15. 6958460 - Device for machining by electroerosion (2005-10-25),

Company Overview

Charmilles Technologies S.a., based in Meyrin, Switzerland, specializes in advanced electrical discharge machining (EDM) technologies. The company focuses on innovative solutions in electroerosion, wire cutting, and CNC machine tools, catering to various industries that require precision machining. Their expertise extends to the development of essential components such as machining fluids, pulse generators, and electrode wires, ensuring high-quality performance in manufacturing processes. Charmilles is recognized for its commitment to enhancing machining efficiency and precision.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

81 Patents

#1 in Meyrin

#208 in Switzerland

#9,347 in the World

Meyrin, Switzerland

Charmilles Technologies S.a.

Forward Citations = 642

86 inventors:

Roger Girardin (13 out of 16 patents)

Roland Martin (9 out of 12 patents)

Rino D'Amario (5 out of 13 patents)

4. Nicola Giandomenico (5 out of 6 patents)

5. Reto Knaak (5 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Charmilles Technologies S.a.. Retrieved from https://idiyas.com/company/charmilles-technologies-s-a

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]

Loading…