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Santa Monica, CA, United States of America

Lear Siegler, Inc.

USPTO Granted Patents = 183

Trademarks = 12

Forward Citations = 3,460

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170 inventors (with patents filed for the assignee):

Ramon Pareja (18 out of 21 patents)

Leonard A Gabriele (9 out of 10 patents)

William C Pierce (6 out of 43 patents)

4. Silas J Knoke (6 out of 6 patents)

5. Randall T Murphy (6 out of 6 patents)

6. Charles W Saur (5 out of 7 patents)

7. Gerald A Brouwer (4 out of 20 patents)

8. Robert W Costin (4 out of 4 patents)

9. Eugene J Bistrick (4 out of 5 patents)

10. Axel B Abrahamsson (4 out of 5 patents)

11. Thomas A Klein (4 out of 4 patents)

12. James F Stamper (4 out of 5 patents)

13. Dennis H Heling (4 out of 7 patents)

14. Ronald J Surprenant (3 out of 3 patents)

15. Richard W Tersch (3 out of 3 patents)

Core Competencies:

Axle Lift Mechanism

Air Suspension System

Noise Compensation

Vehicle Seat

Portable Traffic Control

Doppler Radar

Optical Rate Sensor

Centrifugal Pump

Retractable Clothesline

Padded Chain Conveyor

Broaching Machine

Control Circuit

183 patents: Sort by Forward Citations

1. 5262843 - Processing arrangement for optical rate sensor (1993-11-16),

2. 4981058 - Punch and die set and method adapted to effect parting between adjacent (1991-01-01),

3. 4867423 - Spring assembly having reinforced edge construction (1989-09-19),

4. 4854409 - Lift axle control system (1989-08-08),

5. 4837718 - Doppler radar method and apparatus for measuring a projectile's muzzle (1989-06-06),

6. 4767281 - Centrifugal pump system with inlet reservoir (1988-08-30),

7. 4759296 - Ironing board (1988-07-26),

8. 4748708 - Spike harrow tooth and method of manufacture (1988-06-07),

9. 4740963 - Voice and data communication system (1988-04-26),

10. 4736958 - Air suspension system with automatic air exhaust and inflation (1988-04-12),

11. 4734016 - Plug-in type pump assembly (1988-03-29),

12. 4729579 - Axle lift mechanism with spring cup wear plate (1988-03-08),

13. 4726571 - Height control valve with spring return actuator (1988-02-23),

14. 4720802 - Noise compensation arrangement (1988-01-19),

15. 4712584 - Surge suppressor (1987-12-15),

Company Overview

Lear Siegler, Inc., based in Santa Monica, California, specializes in advanced vehicle suspension systems, focusing on enhancing ride quality and performance. The company is known for its innovative technologies, including axle lift mechanisms and air suspension systems, which contribute to improved vehicle dynamics. Additionally, Lear Siegler develops solutions in noise compensation, portable traffic control, and various sensor technologies, such as Doppler radar and optical rate sensors, catering to the evolving needs of the automotive and transportation sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

183 Patents

#5 in Santa Monica, CA

#485 in California

#2,222 in US

#4,565 in the World

Santa Monica, CA, United States of America

Lear Siegler, Inc.

Forward Citations = 3,460

170 inventors:

Ramon Pareja (18 out of 21 patents)

Leonard A Gabriele (9 out of 10 patents)

William C Pierce (6 out of 43 patents)

4. Silas J Knoke (6 out of 6 patents)

5. Randall T Murphy (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lear Siegler, Inc.. Retrieved from https://idiyas.com/company/lear-siegler

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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