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Monroe, MI, United States of America

Monroe Auto Equipment Company

USPTO Granted Patents = 73

Trademarks = 11

Forward Citations = 1,748

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64 inventors (with patents filed for the assignee):

Magnus B Lizell (8 out of 11 patents)

Gary W Groves (7 out of 7 patents)

Michael R Bethell (6 out of 6 patents)

4. Bert E Vanroye (5 out of 5 patents)

5. Burke A West (5 out of 5 patents)

6. Yoram Guy (4 out of 7 patents)

7. Jan M Wijnhoven (4 out of 4 patents)

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

9. Henri C Vanhove (4 out of 8 patents)

10. Dale A Palmer (4 out of 4 patents)

11. David L Perry (3 out of 3 patents)

12. Fahrey M Hammoud (3 out of 3 patents)

13. Marc J Panis (3 out of 3 patents)

14. Ray A Sackett (3 out of 7 patents)

15. Jan N Driessen (3 out of 3 patents)

Core Competencies:

Shock Absorbers

Active Suspension System

Damping Fluid Control

Telemetry Systems

Hydraulic Actuators

Mechanical Shock Absorption

Vehicle Leveling

Piston Valving

Control Valves

Gas Pressurized Systems

Vibration Absorption

Dynamic Leveling

73 patents: Sort by Forward Citations

1. 5738190 - Flexing disc-blow off assembly for use in a shock absorber (1998-04-14),

2. 5727662 - Thermal expansion compensation device for shock absorbers (1998-03-17),

3. 5706196 - Method and apparatus for determining the velocity of a vehicle body (1998-01-06),

4. 5682980 - Active suspension system (1997-11-04),

5. 5653315 - Automatic damper system (1997-08-05),

6. 5579814 - Method and apparatus for charging dampers with pressurized gas (1996-12-03),

7. 5518090 - Piston post for a damper (1996-05-21),

8. 5474367 - Actuation member for a proportioning valve for load leveling applications (1995-12-12),

9. 5433470 - Method and apparatus for absorbing resonance vibration in a leaf spring (1995-07-18),

10. 5363945 - Control valve for shock absorbers (1994-11-15),

11. 5350187 - Adjustable damping system (1994-09-27),

12. 5337863 - Method and apparatus for absorbing mechanical shock (1994-08-16),

13. 5325942 - Tunable hydraulic valve for shock absorber (1994-07-05),

14. 5297424 - Telemetry system for tire pressure and temperature sensing (1994-03-29),

15. 5231583 - Method and apparatus for dynamic leveling of a vehicle using an active (1993-07-27),

Monroe Auto Equipment Company is a leading manufacturer and supplier of automotive shock absorbers, struts, and other suspension parts. With over 100 years of experience in the industry, Monroe has established a strong reputation for producing high-quality, reliable products. Their extensive product lineup caters to various vehicle makes and models, ensuring optimal comfort, control, and safety for drivers and passengers. Monroe's commitment to innovation, durability, and customer satisfaction has made them a trusted choice among automotive professionals and enthusiasts worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

73 Patents

#2 in Monroe, MI

#189 in Michigan

#4,850 in US

#9,949 in the World

Monroe, MI, United States of America

Monroe Auto Equipment Company

Forward Citations = 1,748

64 inventors:

Magnus B Lizell (8 out of 11 patents)

Gary W Groves (7 out of 7 patents)

Michael R Bethell (6 out of 6 patents)

4. Bert E Vanroye (5 out of 5 patents)

5. Burke A West (5 out of 5 patents)

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