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Lake Forest, IL, United States of America

Tenneco Automotive Inc.

USPTO Granted Patents = 40

EPO Patents = 1

Trademarks = 3

Forward Citations = 915

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38 inventors (with patents filed for the assignee):

Stefan Deferme (7 out of 37 patents)

Karl C Kazmirski (6 out of 31 patents)

David L Steed (5 out of 8 patents)

4. Simon Anne De Molina (4 out of 8 patents)

5. Bart Vandewal (3 out of 8 patents)

6. Luc Lemmens (3 out of 8 patents)

7. Yoram Guy (3 out of 7 patents)

8. Daniel T Keil (2 out of 19 patents)

9. Stefaan Duym (2 out of 2 patents)

10. Michael Lee Zebolsky (2 out of 16 patents)

11. Charles E Tyrrell (2 out of 4 patents)

12. Jan Carleer (2 out of 2 patents)

13. Dale E Sterrett (2 out of 5 patents)

14. J Clay Shipps (2 out of 3 patents)

15. Babak Rajaee (2 out of 2 patents)

Core Competencies:

Brake Bleed Tool

Acceleration Sensitive Damping

Shock Absorber

Variable Bleed Orifice

Semi-Active System

Passive Anti-Roll System

Active Noise Conditioning

Modular Telescopic Front Fork

Temperature Responsive Damper

Multi-Chamber Muffler

Continuous Controlled Restriction Valve

Adaptive Anti-Roll Device

40 patents: Sort by Forward Citations

1. 6581905 - Brake bleed tool (2003-06-24),

2. 6581733 - Acceleration sensitive damping for automotive dampers (2003-06-24),

3. 6464048 - Solenoid actuated continuously variable shock absorber (2002-10-15),

4. 6460664 - Independently tunable variable bleed orifice (2002-10-08),

5. 6443436 - Air spring assembly on shock absorber with combined seal (2002-09-03),

6. 6382373 - Frequency dependant damper (2002-05-07),

7. 6382372 - Ported disc variable bleed orifice (2002-05-07),

8. 6364075 - Frequency dependent damper (2002-04-02),

9. 6352145 - Stroke dependent damping (2002-03-05),

10. 6340081 - Shock absorber having ported plate low speed tunability (2002-01-22),

11. 6325187 - Dirt wiper system for suspension damper (2001-12-04),

12. 6321888 - Damper with externally mounted semi-active system (2001-11-27),

13. 6290035 - Acceleration sensitive damping for automotive dampers (2001-09-18),

14. 6267197 - Axle shaft spacer member (2001-07-31),

15. 6220409 - Stroke dependent bypass (2001-04-24),

Tenneco Automotive Inc. is a global manufacturing company that specializes in automotive parts and systems. With an extensive portfolio, Tenneco offers solutions for emissions control, ride performance, and clean air products to support vehicle manufacturers and aftermarket customers worldwide. Their advanced technologies aim to improve fuel efficiency, reduce emissions, and enhance overall vehicle performance. Visit their website for more information and to explore their innovative product offerings.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

40 Patents

#13 in Lake Forest, IL

#461 in Illinois

#8,345 in US

#16,557 in the World

Lake Forest, IL, United States of America

Tenneco Automotive Inc.

Forward Citations = 915

38 inventors:

Stefan Deferme (7 out of 37 patents)

Karl C Kazmirski (6 out of 31 patents)

David L Steed (5 out of 8 patents)

4. Simon Anne De Molina (4 out of 8 patents)

5. Bart Vandewal (3 out of 8 patents)

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