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Columbus, IN, United States of America

Cummins Engine Company, Inc.

USPTO Granted Patents = 649

EPO Patents = 1

Trademarks = 8

Forward Citations = 12,043

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767 inventors (with patents filed for the assignee):

Julius P Perr (49 out of 51 patents)

Lester L Peters (42 out of 75 patents)

George L Muntean (33 out of 44 patents)

4. Yul J Tarr (18 out of 25 patents)

5. John T Carroll, Iii (16 out of 41 patents)

6. Gary L Gant (15 out of 19 patents)

7. Leslie A Roettgen (15 out of 15 patents)

8. Edward D Smith (15 out of 15 patents)

9. Dennis O Taylor (13 out of 13 patents)

10. John D Crofts (12 out of 22 patents)

11. Laszlo D Tikk (12 out of 21 patents)

12. Paul R Miller (12 out of 24 patents)

13. Harry L Wilson (12 out of 12 patents)

14. Joseph C Bentz (11 out of 11 patents)

15. John H Stang (11 out of 13 patents)

Core Competencies:

Internal Combustion Engines

Fuel Injector

Engine Timing

Datalogger

Turbocharger Diagnosis

Hydrocarbon Removal

Air/Fuel Ratio Control

Exhaust Gas Recirculation

Torque Management

Vehicle Control Systems

Real-Time Mass Flow Measurement

Engine Speed Measurement

649 patents: Sort by Forward Citations

1. 7481200 - Start-up control of internal combustion engines (2009-01-27),

2. 7240584 - Connecting rod with profiled bore for increased load capability (2007-07-10),

3. 7134417 - Seal accessibility device (2006-11-14),

4. 7100744 - Internal combustion engine (2006-09-05),

5. 7028918 - Fuel injector having a nozzle with improved cooling (2006-04-18),

6. 6932043 - Ancillary unit drive adapter (2005-08-23),

7. 6904886 - Engine timing (2005-06-14),

8. 6876097 - System for regulating speed of an internal combustion engine (2005-04-05),

9. 6725819 - Rocker lever ball socket retainer (2004-04-27),

10. 6718425 - Handheld computer based system for collection, display and analysis of engine/vehicle data (2004-04-06),

11. 6679953 - Method for assembling and hardening a ball plug in a counterbore of a fuel injector nozzle assembly (2004-01-20),

12. 6651638 - System and method for derating an engine to encourage servicing of a vehicle (2003-11-25),

13. 6629349 - Apparatus for removal and installation of a fuel injector (2003-10-07),

14. 6601015 - Embedded datalogger for an engine control system (2003-07-29),

15. 6595436 - Proportional needle control injector (2003-07-22),

Cummins Engine Company, Inc. is a renowned global power leading corporation that designs, manufactures, and distributes a diverse range of engines, power systems, and related technologies. With over a century of innovation and collaboration, Cummins delivers reliable, efficient, and sustainable solutions across multiple markets, including automotive, industry, marine, defense, and power generation. Committed to empowering customers and communities, Cummins prioritizes safety, integrity, and environmental responsibility in all aspects of operations.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

649 Patents

#2 in Columbus, IN

#18 in Indiana

#741 in US

#1,483 in the World

Columbus, IN, United States of America

Cummins Engine Company, Inc.

Forward Citations = 12,043

767 inventors:

Julius P Perr (49 out of 51 patents)

Lester L Peters (42 out of 75 patents)

George L Muntean (33 out of 44 patents)

4. Yul J Tarr (18 out of 25 patents)

5. John T Carroll, Iii (16 out of 41 patents)

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