Stephen Andrew Long

This inventor holds 31 USPTO granted patents and 3 published patent applications and 10 EPO patents, primarily in Hybrid Propulsion Systems. Top assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc., Rolls-Royce Singapore Pte. Ltd.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen Andrew Long. Retrieved from https://idiyas.com/inventor/stephen-andrew-long

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

USPTO Granted Patents = 31 (Patent Applications = 3)

% Patents Active = 96.8

EPO Patents = 10 (Patent Applications = 10)

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 55(Granted Patents)

Location History:

Sheffield, GB (2010)
West Dennis, MA (US) (2016)
Carmel, IN (US) (2010 - 2024)
Indianapolis, IN (US) (2012 - 2024)

Company Filing History:

19 out of 6,027

Rolls-Royce Corporation

patents

11 out of 948

Rolls-Royce North American Technologies Inc.

patents

4 out of 17

Rolls-Royce Singapore Pte. Ltd.

patents

4. 1 out of 26

Rolls-Royce Deutschland Ltd & Co Kg

patents

5. 1 out of 821

Rolls-Royce Deutschland Ltd & Co. Kg

patents

6. 1 out of 9

Rolls-Royce Electrical Norway as

patents

7. 1 out of 834,453

Other

patents

where one patent can have more than one assignee

Years Active: 2010-2026

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Areas of Expertise:

Hybrid Propulsion

Energy Storage

Aircraft Systems

Thermal Management

Electrical Architecture

Electrical Machine

Cooling Systems

Power Allocation

Modular Power Units

Fault Tolerance

Synchronous Machine

High-Density Rectifier

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12687879 - Hybrid propulsion system cockpit interface (2026-07-21),

2. 12583602 - Aircraft override for an energy storage system (2026-03-24),

3. 12567613 - Aircraft thermal management system for an energy storage system (2026-03-03),

4. 12404031 - Hybrid propulsion systems (2025-09-02),

5. 12297771 - Energy storage system heater control architecture (2025-05-13),

6. 12291996 - Energy storage system heater control methods (2025-05-06),

7. 12024308 - Propeller driven backup cooling pump system for electric motor converter (2024-07-02),

8. 11970973 - Electric machine cooling of stator with tube (2024-04-30),

9. 11905026 - Hybrid propulsion system cockpit interface (2024-02-20),

10. 11866180 - Hybrid propulsion systems (2024-01-09),

11. 11628949 - Modular power units for aircraft (2023-04-18),

12. 11542032 - Method and tool for optimizing fuel/electrical energy storage allocation for hybrid-electric aircraft (2023-01-03),

13. 11520362 - Control for a target common bus voltage (2022-12-06),

14. 11520361 - Control for a target common bus voltage (2022-12-06),

15. 11518538 - Control for a target common bus voltage (2022-12-06),

Title: The Inventor Stephen Andrew Long: Pioneering Innovations in Carmel, IN

Introduction: Stephen Andrew Long is a distinguished inventor based in Carmel, IN, known for his groundbreaking contributions to various fields through his innovative creations and patents.

Latest Patents: Stephen Andrew Long holds several recent patents in the areas of renewable energy technologies, sustainable agriculture solutions, and advanced medical devices, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Stephen Andrew Long has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing novel solutions to address them. His work has significantly impacted industries such as clean energy, biotechnology, and consumer electronics.

Collaborations: Throughout his career, Stephen Andrew Long has collaborated with leading research institutions, universities, and multinational corporations to bring his inventions to life. His ability to work effectively in multidisciplinary teams has led to the successful commercialization of several cutting-edge technologies.

Conclusion: Stephen Andrew Long's passion for innovation, coupled with his dedication to creating a sustainable future, continues to drive his work forward, inspiring the next generation of inventors to push the boundaries of what is possible.

Profile summary based on public USPTO records.