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La Chaux-de-Fonds, Switzerland

Portescap

USPTO Granted Patents = 38

Trademarks = 1

Forward Citations = 313

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22 inventors (with patents filed for the assignee):

Claude Oudet (22 out of 45 patents)

Marc A Heyraud (5 out of 13 patents)

Jean-Claude Girardin (3 out of 3 patents)

4. Norbert Veignat (2 out of 2 patents)

5. Gilbert Drey (2 out of 2 patents)

6. Yvan Greiner (2 out of 2 patents)

7. Andre Martin (2 out of 2 patents)

8. Danielle Regnier (2 out of 2 patents)

9. Luciano Antognini (1 out of 1 patent)

10. Roger Lagger (1 out of 1 patent)

11. Christophe Dayer (1 out of 1 patent)

12. Antognini Luciano (1 out of 1 patent)

13. Paul Piguet (1 out of 2 patents)

14. Erich Jucker (1 out of 1 patent)

15. Andre Lehmann (1 out of 1 patent)

Core Competencies:

Synchronous Motor

Electric Motor

Incremental Encoder

Electromagnetic Actuator

Permanent Magnet Rotor

Stepper Motor

Multipolar Magnetization

Harmonics Suppression

Control Circuit

Micromotor

Braking Device

Magnetic Transducer

38 patents: Sort by Forward Citations

1. 5763874 - Incremental optical encoder having partially opaqued quadrature detectors (1998-06-09),

2. 5194787 - Control circuit for an electric motor without a collector (1993-03-16),

3. 5053667 - Di- or polyphase synchronous electric motor with a disc-shaped rotor (1991-10-01),

4. 5003686 - Method of manufacturing a synchronous electric motor with magnetized (1991-04-02),

5. 4908592 - Electromagnetic actuating device (1990-03-13),

6. 4891538 - Synchronous motor with sinusodial torque variation in each phase (1990-01-02),

7. 4866323 - Synchronous electric motor with magnetised rotor and method of (1989-09-12),

8. 4823040 - Single-stage, two-phase of four-phase synchronous electric motor (1989-04-18),

9. 4791331 - Brush assembly for electric commutator motors (1988-12-13),

10. 4737753 - Multipolar magnetization device (1988-04-12),

11. 4714854 - Electric motor with a multipolar permanent magnet rotor (1987-12-22),

12. 4707677 - Multipolar magnetization device (1987-11-17),

13. 4682067 - Synchronous electric motor having a disc-shaped permanent magnet rotor (1987-07-21),

14. 4658166 - Synchronous electric motor with disc-shaped permanent magnet rotor (1987-04-14),

15. 4629916 - Method and apparatus for harmonics suppression in motor systems (1986-12-16),

Company Overview

Portescap, headquartered in La Chaux-de-Fonds, Switzerland, specializes in the development and manufacturing of precision miniature motors and motion solutions. The company focuses on providing innovative products for various applications, including medical devices, industrial automation, and aerospace. With a commitment to advanced engineering and technology, Portescap leverages its expertise in motion control to deliver high-performance solutions tailored to meet the evolving needs of its global clientele.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

38 Patents

#4 in La Chaux-de-Fonds

#362 in Switzerland

#17,844 in the World

La Chaux-de-Fonds, Switzerland

Portescap

Forward Citations = 313

22 inventors:

Claude Oudet (22 out of 45 patents)

Marc A Heyraud (5 out of 13 patents)

Jean-Claude Girardin (3 out of 3 patents)

4. Norbert Veignat (2 out of 2 patents)

5. Gilbert Drey (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Portescap. Retrieved from https://idiyas.com/company/portescap

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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