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For the Inventor, By the Inventor

Lake Forest, IL, United States of America

Tenneco Automotive Operating Company Inc.


USPTO Granted Patents = 407

% Expired Patents = 31.0


Trademarks = 8

Forward Citations = 2,996

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394 inventors (with patents filed for the assignee):

goldMedal Michael A Golin (35 out of 37 patents)

silverMedal Matthew L Roessle (31 out of 33 patents)

bronzeMedal Stephen M Thomas (24 out of 26 patents)

4.  Adam J Kotrba (24 out of 24 patents)

5.  Karl C Kazmirski (24 out of 31 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 38 patents)

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

10.  Thomas Mallin (15 out of 18 patents)

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

12.  Gabriel Ostromecki (14 out of 14 patents)

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

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

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


Core Competencies:
Exhaust System
Muffler
Damper
Selective Catalytic Reduction
Exhaust Treatment
Hydraulic Compression
Acoustically Tuned
Vehicle Component
Exhaust Valve
Heat Recovery
Noise Suppression
Flow Distributor

407 patents:

1. 12535027 - Vehicle exhaust system having an integral hood (2026-01-27),
2. 12448907 - Dual mode muffler (2025-10-21),
3. 12428984 - Clamp, adapter and travel limiter assembly (2025-09-30),
4. 12308456 - Corner shield for electric vehicle battery box (2025-05-20),
5. 12297761 - Exhaust system component with multi-layer support mat (2025-05-13),
6. 12227052 - Suspension system with multiple working modes (2025-02-18),
7. 12188393 - Exhaust system having a hanger assembly (2025-01-07),
8. 12173633 - Exhaust assembly (2024-12-24),
9. 12116915 - Exhaust pipe bridge (2024-10-15),
10. 12110945 - Damper with hydraulic compression stop (2024-10-08),
11. 12090807 - Scalable damper (2024-09-17),
12. 12071875 - Exhaust device and method of manufacturing thereof (2024-08-27),
13. 12006854 - Vehicle exhaust system (2024-06-11),
14. 11885251 - Selective catalytic reduction catalyst pre-heating burner assembly and method of controlling burner emissions (2024-01-30),
15. 11867254 - Pressure relief for a hydraulic compression stop device (2024-01-09),
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.

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USPTO Data Jan 1 1976 - Sep 15 2026

Tenneco Automotive Operating Company Inc.
407 Patents

#1 in Lake Forest, IL

#65 in Illinois

#1,154 in US

#2,301 in the World

Lake Forest, IL (US)
Lake Forest, IL, United States of America

Tenneco Automotive Operating Company Inc.

Forward Citations = 2,996

394 inventors:

goldMedal Michael A Golin (35 out of 37 patents)

silverMedal Matthew L Roessle (31 out of 33 patents)

bronzeMedal Stephen M Thomas (24 out of 26 patents)

4.  Adam J Kotrba (24 out of 24 patents)

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

Please report any incorrect information to [email protected]
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