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For the Inventor, By the Inventor

Lake Forest, IL, United States of America

Tenneco Gmbh


USPTO Granted Patents = 190

% Expired Patents = 16.8



Trademarks = 3

Forward Citations = 665

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222 inventors (with patents filed for the assignee):

goldMedal Warran Boyd Lineton (19 out of 33 patents)

silverMedal Miguel Azevedo (16 out of 44 patents)

bronzeMedal Michael Weinenger (14 out of 26 patents)

4.  Greg Salenbien (9 out of 9 patents)

5.  Michael Fischer (8 out of 8 patents)

6.  Joachim Gehrlein (8 out of 10 patents)

7.  James D Lykowski (8 out of 76 patents)

8.  John Antony Burrows (8 out of 60 patents)

9.  Norbert Schneider (7 out of 15 patents)

10.  Andreas Lang (7 out of 9 patents)

11.  Kristapher I Mixell (7 out of 20 patents)

12.  Eric A Hein (7 out of 16 patents)

13.  Andreas Steigert (7 out of 11 patents)

14.  Thomas W Swasey (6 out of 13 patents)

15.  John E Miller (5 out of 15 patents)


Core Competencies:
Exhaust Gas Treatment
Mixer Assembly
Piston Design
Coated Piston Rings
EGR System
Corona Ignition Device
Thermal Insulation
Additive Manufacturing
Dynamic Coatings
Cooling Gallery
Static Gaskets
Rankine Power System

190 patents:

1. 12270324 - Exhaust gas treatment unit (2025-04-08),
2. 12158096 - Mixer assembly (2024-12-03),
3. 12140062 - Exhaust-gas aftertreatment system for an internal combustion engine (2024-11-12),
4. 12140061 - Exhaust gas system unit (2024-11-12),
5. 12129811 - Piston made using additive manufacturing techniques (2024-10-29),
6. 12110837 - Insulation layer on steel pistons (2024-10-08),
7. 12092009 - Exhaust gas cooling device (2024-09-17),
8. 11965451 - Mixing tube (2024-04-23),
9. 11959436 - Piston including spiral features to increase in-cylinder swirl (2024-04-16),
10. 11906052 - Coated piston ring for an internal combustion engine (2024-02-20),
11. D1010681 - Piston for an internal combustion engine (2024-01-09),
12. 11850773 - Piston including a composite layer applied to metal substrate (2023-12-26),
13. D1004620 - Piston for an internal combustion engine (2023-11-14),
14. 11746725 - Steel piston having oxidation and erosion protection (2023-09-05),
15. 11738313 - Mixer arrangement and method for operating a mixer arrangement (2023-08-29),
Tenneco GmbH, headquartered in Lake Forest, Illinois, specializes in advanced exhaust gas treatment technologies. The company focuses on developing innovative solutions for automotive applications, including mixer assemblies, piston designs, and coated piston rings. Tenneco's expertise extends to EGR systems, corona ignition devices, and thermal insulation, leveraging additive manufacturing to enhance product performance. With a commitment to sustainability and efficiency, Tenneco plays a significant role in the evolution of clean mobility technologies.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Tenneco Gmbh
190 Patents

#3 in Lake Forest, IL

#136 in Illinois

#2,161 in US

#4,426 in the World

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

Tenneco Gmbh

Forward Citations = 665

222 inventors:

goldMedal Warran Boyd Lineton (19 out of 33 patents)

silverMedal Miguel Azevedo (16 out of 44 patents)

bronzeMedal Michael Weinenger (14 out of 26 patents)

4.  Greg Salenbien (9 out of 9 patents)

5.  Michael Fischer (8 out of 8 patents)

Please report any incorrect information to [email protected]
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