For the Inventor, By the Inventor

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San Diego, CA, United States of America

Achates Power, Inc.

USPTO Granted Patents = 143

% Expired Patents = 22.4

EPO Patents = 47

Forward Citations = 680

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83 inventors (with patents filed for the assignee):

Fabien G Redon (41 out of 41 patents)

James U Lemke (24 out of 61 patents)

Michael H Wahl (17 out of 27 patents)

4. Ryan G Mackenzie (17 out of 19 patents)

5. Kevin B Fuqua (15 out of 15 patents)

6. Clark A Klyza (13 out of 13 patents)

7. Patrick T Lee (12 out of 25 patents)

8. Eric P Dion (11 out of 11 patents)

9. John J Koszewnik (10 out of 10 patents)

10. Bryant A Wagner (10 out of 10 patents)

11. William B McHargue (10 out of 12 patents)

12. Nishit Nagar (9 out of 9 patents)

13. Gerhard Regner (8 out of 13 patents)

14. John M Kessler (7 out of 7 patents)

15. Daniel M Schum (6 out of 6 patents)

Core Competencies:

Opposed-Piston Engine

Hydrogen Technology

Thermal Management

Fuel Injection

Piston Assembly

Cylinder Block

Air Handling

Exhaust Catalyst

Combustion Chamber

Dual Crankshaft

Hybrid Drive System

Engine Diagnostics

143 patents: Sort by Forward Citations

1. 12442328 - Piston with a biaxial bearing for an opposed-piston engine (2025-10-14),

2. 12338763 - Hydrogen opposed-piston engine (2025-06-24),

3. 12320312 - Piston assembly with opposing injection regions for an opposed-piston engine (2025-06-03),

4. 12286940 - Parent bore cylinder block of an opposed-piston engine (2025-04-29),

5. 12129810 - System and method for deburred port holes in a two-stroke engine (2024-10-29),

6. 12055111 - Exhaust catalyst light-off in an opposed-piston engine (2024-08-06),

7. 12044191 - Cylinder liner for internal combustion engine and method for installing the same (2024-07-23),

8. 11982225 - Hybrid drive system with an opposed-piston, internal combustion engine (2024-05-14),

9. 11959412 - Pistons and piston assemblies for internal combustion engines (2024-04-16),

10. 11952951 - Thermal management of aftertreatment devices of opposed-piston engines under motoring conditions (2024-04-09),

11. 11933215 - Hydrogen opposed-piston engine (2024-03-19),

12. 11898448 - Hydrogen-powered opposed-piston engine (2024-02-13),

13. 11815042 - Exhaust catalyst light-off in an opposed-piston engine (2023-11-14),

14. 11773769 - Piston for an opposed-piston engine (2023-10-03),

15. 11629751 - Connecting rod assembly (2023-04-18),

Company Overview

Achates Power, Inc. is a pioneering company based in San Diego, California, specializing in the development of opposed-piston engine technology. This innovative approach enhances engine efficiency and reduces emissions, positioning the company at the forefront of sustainable automotive engineering. Achates Power focuses on key areas such as hydrogen technology, thermal management, and advanced fuel injection systems, contributing to the evolution of cleaner and more efficient powertrains in the automotive sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

143 Patents

#38 in San Diego, CA

#604 in California

#2,738 in US

#5,697 in the World

San Diego, CA, United States of America

Achates Power, Inc.

Forward Citations = 680

83 inventors:

Fabien G Redon (41 out of 41 patents)

James U Lemke (24 out of 61 patents)

Michael H Wahl (17 out of 27 patents)

4. Ryan G Mackenzie (17 out of 19 patents)

5. Kevin B Fuqua (15 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Achates Power, Inc.. Retrieved from https://idiyas.com/company/achates-power

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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