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Greesboro, NC, United States of America

Mack Trucks, Inc.

USPTO Granted Patents = 140

CIPO Patents = 9

EPO Patents = 46

Trademarks = 50

Forward Citations = 1,763

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141 inventors (with patents filed for the assignee):

Chun Tai (12 out of 13 patents)

David P Onopa (10 out of 10 patents)

Stephen Geyer (8 out of 9 patents)

4. Charles J Groeller (8 out of 11 patents)

5. Timothy Suder (8 out of 8 patents)

6. John Jerwick (7 out of 8 patents)

7. Jeffrey S Zsoldos (7 out of 9 patents)

8. Victor Kronstadt (6 out of 6 patents)

9. Bruce Phelps Hollenbeck (6 out of 6 patents)

10. John B Bartel (5 out of 5 patents)

11. Kenth I Svensson (4 out of 49 patents)

12. John Gibble (4 out of 9 patents)

13. Michael E Kahl (4 out of 6 patents)

14. Joseph H Schmidt (4 out of 4 patents)

15. John Sponsky (3 out of 3 patents)

Core Competencies:

Hybrid Transmission

Diesel Engine

Exhaust Aftertreatment

Waste Heat Recovery

Power Management System

Clutch Transmission

DPF Regeneration

Emissions Control

Vehicle Powertrain

Turbo-Charger Detection

Exhaust Gas Recirculation

Multi-Cylinder Engine

140 patents: Sort by Forward Citations

1. 9862374 - Series hybrid transmission and gear-shifting method for a series hybrid transmission (2018-01-09),

2. 9752480 - Method of operating a diesel engine and diesel engine arrangement having plural operating modes (2017-09-05),

3. 9695777 - Series parallel waste heat recovery system (2017-07-04),

4. 9517693 - Convertible tandem axle arrangement and method for converting a tandem axle arrangement to either of a single drive or a dual drive tandem axle arrangement (2016-12-13),

5. 9488098 - Exhaust gas recirculation mixer device (2016-11-08),

6. 9482124 - Method for detecting abnormally frequent diesel particulate filter regeneration, engine and exhaust aftertreatment system, and warning system and method (2016-11-01),

7. 9448091 - Vacuum insulated venturi meter for an exhaust gas recirculation apparatus (2016-09-20),

8. 9381806 - Vehicle with multiple drive axle assembly with a raisable and lowerable rear drive axle, and method of operating such a vehicle (2016-07-05),

9. 9188176 - Transmission with countershaft brake and method for braking a countershaft (2015-11-17),

10. 9157347 - Internal combustion engine including crankshaft that is rotated while engine is in a non-fueled mode and method of operating an engine (2015-10-13),

11. 9115631 - Method for monitoring components in an exhaust after treatment system, an exhaust after treatment system, and a controller for an exhaust after treatment system (2015-08-25),

12. 8991154 - Methods and systems for controlling reductant levels in an SCR catalyst (2015-03-31),

13. 8984860 - Diesel engine and exhaust aftertreatment system and method of treating exhaust gases from a diesel engine (2015-03-24),

14. 8939174 - Cartridge EGR valve assembly (2015-01-27),

15. 8919123 - Waste heat recovery system with partial recuperation (2014-12-30),

Mack Trucks, Inc. is an American truck manufacturing company. It is a subsidiary of Volvo Group, which designs, engineers, manufactures, and markets commercial vehicles under the Mack Trucks brand worldwide. Mack Trucks offers a full range of heavy-duty trucks, including construction trucks, refuse trucks, highway trucks, and more. With a history dating back to 1900, Mack Trucks is known for its durability, reliability, and innovation in the transportation industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

140 Patents

#1 in Greesboro, NC

#69 in North Carolina

#2,684 in US

#5,638 in the World

Greesboro, NC, United States of America

Mack Trucks, Inc.

Forward Citations = 1,763

141 inventors:

Chun Tai (12 out of 13 patents)

David P Onopa (10 out of 10 patents)

Stephen Geyer (8 out of 9 patents)

4. Charles J Groeller (8 out of 11 patents)

5. Timothy Suder (8 out of 8 patents)

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