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Siemens Electric Limited

USPTO Granted Patents = 62

Forward Citations = 1,400

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50 inventors (with patents filed for the assignee):

John E Cook (15 out of 124 patents)

Paul Douglas Perry (10 out of 87 patents)

Marek Horski (7 out of 30 patents)

4. Bernard J Hrytzak (6 out of 11 patents)

5. Gary Michael Everingham (6 out of 33 patents)

6. Hirotomi Nemoto (4 out of 43 patents)

7. Murray F Busato (4 out of 33 patents)

8. Yoshio Yamamoto (4 out of 19 patents)

9. Takeshi Gomi (4 out of 7 patents)

10. Robert Doudon (4 out of 4 patents)

11. Andrew Lakerdas (3 out of 35 patents)

12. Ian R McLean (3 out of 12 patents)

13. Eric Raymond Bartlett (3 out of 9 patents)

14. Jerzy Muszynski (3 out of 7 patents)

15. Stephen E Brackett (3 out of 12 patents)

Core Competencies:

Active Noise Attenuation

Electric Actuated Valves

Brushless Motors

Engine Noise Reduction

Cooling Fan Systems

Intake Manifold Design

Electromagnetic Actuators

Vapor Purge Systems

High Efficiency Fans

Resonator Tuning

D.C. Motor Control

Exhaust Gas Recirculation

62 patents: Sort by Forward Citations

1. 6106228 - Fan shroud air door assembly (2000-08-22),

2. 6084971 - Active noise attenuation system (2000-07-04),

3. 5911401 - Electric actuated exhaust gas recirculation valve (1999-06-15),

4. 5898988 - Method of making a brushless motor with inside mounted single bearing (1999-05-04),

5. 5877573 - D.C. motor and reversing circuit (1999-03-02),

6. 5871335 - Twist-lock attachment system for a cooling fan and motor (1999-02-16),

7. 5865863 - Combined air cleaner-resonator (1999-02-02),

8. 5860400 - Intake-exhaust manifold bridge noise attenuation system and method (1999-01-19),

9. 5845612 - Total cooling assembley for I. C. engine-powered vehicles (1998-12-08),

10. 5844338 - Slim-line brushless motor with inside mounted single bearing (1998-12-01),

11. 5828759 - System and method for reducing engine noise (1998-10-27),

12. 5817925 - Evaporative emission leak detection system (1998-10-06),

13. 5814908 - Blower wheel with axial inlet for ventilation (1998-09-29),

14. 5813375 - Method and system for distributing vapors or gases to each cylinder of a (1998-09-29),

15. 5811898 - Rotary actuator (1998-09-22),

Siemens Electric Limited is a global technology powerhouse that focuses on electrification, automation, and digitalization across various industries. With its innovative solutions, Siemens aims to drive sustainable progress and enhance quality of life for people worldwide. Their portfolio includes products, systems, and services for power generation, transmission, and distribution, as well as advanced automation and digitalization solutions. Visit their website to explore their extensive range of offerings and learn more about their commitment to shaping the future of electrification.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

62 Patents

#4 in London

#199 in Canada

#11,335 in the World

Siemens Electric Limited

Forward Citations = 1,400

50 inventors:

John E Cook (15 out of 124 patents)

Paul Douglas Perry (10 out of 87 patents)

Marek Horski (7 out of 30 patents)

4. Bernard J Hrytzak (6 out of 11 patents)

5. Gary Michael Everingham (6 out of 33 patents)

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