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Detroit, MI, United States of America

Detroit Diesel Corporation

Calculating rank

USPTO Granted Patents = 252

% Expired Patents = 38.5

CIPO Patents = 2

EPO Patents = 1

Trademarks = 36

Forward Citations = 3,442

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187 inventors (with patents filed for the assignee):

Jeffery Scott Hawkins (27 out of 27 patents)

Richard Michael Avery, Jr (26 out of 26 patents)

Kevin Sisken (18 out of 20 patents)

4. Dennis Michael Letang (17 out of 18 patents)

5. S Miller Weisman, Ii (17 out of 19 patents)

6. Eric Darvin Thomas (14 out of 20 patents)

7. Ian Daniel McKenzie (13 out of 13 patents)

8. Tomislav Ivo Golub (13 out of 13 patents)

9. Min Sun (12 out of 55 patents)

10. Matthew Thomas Baird (10 out of 10 patents)

11. Mark Allen Zurawski (10 out of 10 patents)

12. Marleen F Thompson (9 out of 9 patents)

13. Lawrence C Kennedy (9 out of 10 patents)

14. Leopold Super (8 out of 8 patents)

15. Douglas J Babcock (7 out of 15 patents)

Core Competencies:

Turbocharger Control

Emissions Management

Aftertreatment Systems

Diesel Particulate Filter

Fuel Injector Technology

Engine Diagnostics

EGR Systems

Thermal Management

Vehicle Powertrain

Diagnostic Protocols

Engine Control Systems

Compression Ignition

252 patents: Sort by Forward Citations

1. 10047710 - Method for refurbishing a valve seat in a fuel injector assembly (2018-08-14),

2. 8849543 - Method to operate an electronically controlled internal combustion engine (2014-09-30),

3. 8769933 - Method to operate an internal combustion engine (2014-07-08),

4. 8649961 - Method of diagnosing several systems and components by cycling the EGR valve (2014-02-11),

5. 8474248 - Model based method for selective catalyst reducer urea dosing strategy (2013-07-02),

6. 8375700 - Apparatus and method for monitoring oxidation catalyst functionality (2013-02-19),

7. 8281586 - Method for operating an engine to adjust turbocharger performance characteristics (2012-10-09),

8. 8281571 - Method for three zone diesel oxidation catalyst light off control system (2012-10-09),

9. 8209962 - Diesel particulate filter soot permeability virtual sensors (2012-07-03),

10. 8160800 - System and method of fan control (2012-04-17),

11. 8156733 - Method of operating an internal combustion engine to heat up a selective catalyst reducer (2012-04-17),

12. 8156729 - Variable engine out emission control roadmap (2012-04-17),

13. 8141348 - Engine after-treatment controls using dosing below catalyst light-off temperature (2012-03-27),

14. 8109258 - Method of diagnosing a slow EGR system in an internal combustion engine (2012-02-07),

15. 8069656 - Method of controlling hydrocarbon accumulation in a particulate filter under certain operating conditions (2011-12-06),

Company Overview

Detroit Diesel Corporation, headquartered in Detroit, MI, specializes in the development and manufacturing of advanced internal combustion engines. The company is renowned for its innovations in turbocharger control, emissions management, and aftertreatment systems, which are essential for meeting stringent environmental standards. Additionally, Detroit Diesel focuses on critical technologies such as diesel particulate filters, fuel injector technology, engine diagnostics, EGR systems, and thermal management, positioning itself as a leader in the automotive engineering sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

252 Patents

#5 in Detroit, MI

#77 in Michigan

#1,701 in US

#3,464 in the World

Detroit, MI, United States of America

Detroit Diesel Corporation

Forward Citations = 3,442

187 inventors:

Jeffery Scott Hawkins (27 out of 27 patents)

Richard Michael Avery, Jr (26 out of 26 patents)

Kevin Sisken (18 out of 20 patents)

4. Dennis Michael Letang (17 out of 18 patents)

5. S Miller Weisman, Ii (17 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Detroit Diesel Corporation. Retrieved from https://idiyas.com/company/detroit-diesel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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