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San Carlos, CA, United States of America

Pinnacle Engines Inc.

USPTO Granted Patents = 21

EPO Patents = 6

Trademarks = 2

Forward Citations = 113

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8 inventors (with patents filed for the assignee):

James Montague Cleeves (19 out of 146 patents)

Michael Hawkes (7 out of 7 patents)

Michael A Willcox (5 out of 5 patents)

4. Simon David Jackson (4 out of 4 patents)

5. Nicholas Paul Manov (2 out of 5 patents)

6. Clayton Naber (2 out of 2 patents)

7. William Anderson (1 out of 2 patents)

8. William H Anderson (0 patent)

21 patents: Sort by Forward Citations

1. 11454166 - Combustion pressure detection for a hybrid opposed piston engine (2022-09-27),

2. 11156249 - Hybrid opposed-piston internal combustion engine (2021-10-26),

3. 9745915 - Internal combustion engine (2017-08-29),

4. 9650951 - Single piston sleeve valve with optional variable compression ratio capability (2017-05-16),

5. 9528402 - Early exhaust valve opening for improved catalyst light off (2016-12-27),

6. 9316150 - Variable compression ratio diesel engine (2016-04-19),

7. 9267486 - Multi-mode high efficiency internal combustion engine (2016-02-23),

8. 9243578 - Deceleration fuel shut off for carbureted engines (2016-01-26),

9. 9206749 - Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use (2015-12-08),

10. 9194288 - High swirl engine (2015-11-24),

11. 9175609 - Control of combustion mixtures and variability thereof with engine load (2015-11-03),

12. 9016255 - Sealing of sleeve valves (2015-04-28),

13. 8910606 - Positive control (desmodromic) valve systems for internal combustion engines (2014-12-16),

14. 8904998 - Sleeve valve assembly (2014-12-09),

15. 8881708 - Control of combustion mixtures and variability thereof with engine load (2014-11-11),

Pinnacle Engines Inc. is a pioneering technology company that specializes in the design and development of highly efficient internal combustion engines. With a focus on optimizing combustion processes, Pinnacle Engines offers superior powertrain solutions that maximize fuel efficiency, reduce emissions, and enhance performance. Their innovative engine designs are applicable across various sectors including automotive, recreational vehicles, generators, and more. Through continuous innovation and sustainability, Pinnacle Engines aims to revolutionize the efficiency and environmental impact of internal combustion engines.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#15 in San Carlos, CA

#3,615 in California

#15,151 in US

#29,031 in the World

San Carlos, CA, United States of America

Pinnacle Engines Inc.

Forward Citations = 113

8 inventors:

James Montague Cleeves (19 out of 146 patents)

Michael Hawkes (7 out of 7 patents)

Michael A Willcox (5 out of 5 patents)

4. Simon David Jackson (4 out of 4 patents)

5. Nicholas Paul Manov (2 out of 5 patents)

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