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Lake Forest, IL, United States of America

Tenneco Automotive Operating Company Inc.

USPTO Granted Patents = 406

EPO Patents = 24

Trademarks = 87

Forward Citations = 2,869

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391 inventors (with patents filed for the assignee):

Michael A Golin (35 out of 37 patents)

Matthew L Roessle (31 out of 33 patents)

Adam J Kotrba (24 out of 24 patents)

4. Karl C Kazmirski (24 out of 31 patents)

5. Stephen M Thomas (23 out of 25 patents)

6. Manoj K Sampath (20 out of 20 patents)

7. Daniel T Keil (17 out of 19 patents)

8. Stefan Deferme (16 out of 37 patents)

9. Keith G Olivier (16 out of 16 patents)

10. Thomas Mallin (15 out of 17 patents)

11. Ryan A Floyd (15 out of 15 patents)

12. Darrell G Breese (14 out of 14 patents)

13. Gabriel Ostromecki (13 out of 13 patents)

14. Jeroen K Paenhuysen (12 out of 12 patents)

15. Michael C Bradford (12 out of 18 patents)

Core Competencies:

Dual Mode Muffler

Exhaust System Component

Selective Catalytic Reduction

Hydraulic Compression Stop

Acoustically Tuned Muffler

Vehicle Exhaust System

Exhaust Burner Control

Damper with Control Valves

Electric Vehicle Battery Box

Exhaust Device

Suspension System

Noise Suppression System

406 patents: Sort by Forward Citations

1. 12448907 - Dual mode muffler (2025-10-21),

2. 12428984 - Clamp, adapter and travel limiter assembly (2025-09-30),

3. 12308456 - Corner shield for electric vehicle battery box (2025-05-20),

4. 12297761 - Exhaust system component with multi-layer support mat (2025-05-13),

5. 12227052 - Suspension system with multiple working modes (2025-02-18),

6. 12188393 - Exhaust system having a hanger assembly (2025-01-07),

7. 12173633 - Exhaust assembly (2024-12-24),

8. 12116915 - Exhaust pipe bridge (2024-10-15),

9. 12110945 - Damper with hydraulic compression stop (2024-10-08),

10. 12090807 - Scalable damper (2024-09-17),

11. 12071875 - Exhaust device and method of manufacturing thereof (2024-08-27),

12. 12006854 - Vehicle exhaust system (2024-06-11),

13. 11885251 - Selective catalytic reduction catalyst pre-heating burner assembly and method of controlling burner emissions (2024-01-30),

14. 11867254 - Pressure relief for a hydraulic compression stop device (2024-01-09),

15. 11821350 - Multi-tier exhaust burner control for SCR catalyst pre-heating (2023-11-21),

Tenneco Automotive Operating Company Inc. is a global leader in designing, manufacturing, and distributing clean air and ride performance products and solutions for automotive and commercial vehicle original equipment markets, as well as the aftermarket. With innovative technologies, Tenneco Automotive Operating Company Inc. strives to improve fuel efficiency, reduce emissions, and enhance vehicle performance while providing superior comfort and control.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

406 Patents

#1 in Lake Forest, IL

#67 in Illinois

#1,118 in US

#2,245 in the World

Lake Forest, IL, United States of America

Tenneco Automotive Operating Company Inc.

Forward Citations = 2,869

391 inventors:

Michael A Golin (35 out of 37 patents)

Matthew L Roessle (31 out of 33 patents)

Adam J Kotrba (24 out of 24 patents)

4. Karl C Kazmirski (24 out of 31 patents)

5. Stephen M Thomas (23 out of 25 patents)

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