San Francisco, CA, United States of America

Adam Simpson

This inventor holds 19 USPTO granted patents and 3 published patent applications, plus 3 CIPO patents and 2 EPO patents, primarily in Linear Generators. Top assignees: Etagen, Inc., Mainspring Energy, Inc.. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Adam Simpson. Retrieved from https://idiyas.com/inventor/adam-simpson

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

Calculating rank

USPTO Granted Patents = 19 (Patent Applications = 3)

% Patents Active = 89.5

CIPO Patents = 3 (Patent Applications = 1)

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 77(Granted Patents)

Location History:

Mill Valley, CA (US) (2020 - 2023)
San Francisco, CA (US) (2013 - 2024)

Company Filing History:

Mainspring Energy, Inc.

patents

Years Active: 2013-2025

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Areas of Expertise:

Energy Storage

Linear Generators

High-Efficiency

Combustion Engines

Free-Piston

Gas Linkage

Two-Piston

Conversion

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12473855 - Energy storage and conversion in linear generators (2025-11-18),

2. 12421890 - High-efficiency linear generator (2025-09-23),

3. 12000331 - High-efficiency linear generator (2024-06-04),

4. 11867116 - Energy storage and conversion in linear generators (2024-01-09),

5. 11578646 - Energy storage and conversion in linear generators (2023-02-14),

6. 11525391 - High-efficiency linear generator (2022-12-13),

7. 11352947 - Energy storage and conversion in linear generators (2022-06-07),

8. 10851708 - High-efficiency linear combustion engine (2020-12-01),

9. 10738688 - Energy storage and conversion in free-piston combustion engines (2020-08-11),

10. 10221759 - High-efficiency linear combustion engine (2019-03-05),

11. 10190490 - Energy storage and conversion in free-piston combustion engines (2019-01-29),

12. 10024231 - High-efficiency linear combustion engine (2018-07-17),

13. 9719415 - Energy storage and conversion in free-piston combustion engines (2017-08-01),

14. 9567898 - High-efficiency linear combustion engine (2017-02-14),

15. 8997699 - Linear free piston combustion engine with indirect work extraction via gas linkage (2015-04-07),

Title: The Innovative Journey of Adam Simpson

Introduction: Adam Simpson, a visionary inventor based in San Francisco, CA, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Adam Simpson holds several patents in the areas of artificial intelligence, renewable energy, and biotechnology, showcasing his diverse range of expertise and innovative thinking.

Career Highlights: With a background in engineering and a passion for problem-solving, Adam Simpson has successfully brought several cutting-edge ideas to life, revolutionizing industries and improving the lives of many through his inventions.

Collaborations: Throughout his career, Adam Simpson has collaborated with leading research institutions, universities, and tech companies to further develop his inventions and bring them to the market, solidifying his reputation as a forward-thinking inventor.

Conclusion: Adam Simpson's relentless pursuit of innovation and his commitment to pushing the boundaries of what is possible make him a true pioneer in the world of inventions. His impact on technology and society is profound, and his legacy as an inventor continues to inspire future generations.

Profile summary based on public USPTO records.