For the Inventor, By the Inventor

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Cambridge, MA, United States of America

Malta Inc.

USPTO Granted Patents = 52

% Expired Patents = 5.8

CIPO Patents = 2

EPO Patents = 2

Trademarks = 3

Forward Citations = 710

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18 inventors (with patents filed for the assignee):

Philippe Larochelle (31 out of 33 patents)

Raj B Apte (23 out of 90 patents)

Bao H Truong (17 out of 17 patents)

4. Benjamin R Bollinger (14 out of 14 patents)

5. Robert B Laughlin (11 out of 15 patents)

6. Nicholas Cizek (9 out of 10 patents)

7. Julian Green (3 out of 3 patents)

8. Richard Wayne DeVaul (2 out of 16 patents)

9. Mert Geveci (2 out of 2 patents)

10. Sebastian W Freund (1 out of 1 patent)

11. David M Brantzeg (1 out of 1 patent)

12. Erhan Karaca (1 out of 1 patent)

13. John S Bowen (1 out of 1 patent)

14. James J Underwood (1 out of 1 patent)

15. Roy T Collins (1 out of 1 patent)

Core Competencies:

Thermodynamic Cycle

Pumped Heat Storage

Thermal Integration

Energy Generation

Modular Thermal Storage

Thermoclines

Heat Engine

Variable Pressure

Turbomachinery

Electric Heating

Heat Recovery

52 patents: Sort by Forward Citations

1. 12723542 - Thermodynamic cycle system with thermal plant integration (2026-09-01),

2. 12428989 - Pumped heat energy storage system with load following (2025-09-30),

3. 12428979 - Pumped heat energy storage system integrated with coal-fired energy generation unit (2025-09-30),

4. 12173648 - Pumped heat energy storage system with thermal plant integration (2024-12-24),

5. 12173643 - Pumped heat energy storage system with hot-side thermal integration (2024-12-24),

6. 12129791 - Baffled thermoclines in thermodynamic cycle systems (2024-10-29),

7. 12123347 - Pumped heat energy storage system with load following (2024-10-22),

8. 12123327 - Pumped heat energy storage system with modular turbomachinery (2024-10-22),

9. 12012902 - Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank (2024-06-18),

10. 11982228 - Pumped heat energy storage system with steam cycle (2024-05-14),

11. 11927130 - Pump control of closed cycle power generation system (2024-03-12),

12. 11885244 - Pumped heat energy storage system with electric heating integration (2024-01-30),

13. 11852043 - Pumped heat electric storage system with recirculation (2023-12-26),

14. 11846197 - Pumped heat energy storage system with charge cycle thermal integration (2023-12-19),

15. 11840932 - Pumped heat energy storage system with generation cycle thermal integration (2023-12-12),

Malta Inc., based in Cambridge, MA, specializes in innovative pumped heat storage solutions aimed at enhancing energy generation and thermal integration. The company focuses on developing advanced thermodynamic cycles and modular thermal storage systems that utilize thermoclines and heat engines to optimize energy efficiency. By leveraging variable pressure technologies, Malta Inc. is committed to addressing the challenges of energy storage and sustainability, contributing to a more resilient and eco-friendly energy landscape.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

52 Patents

#50 in Cambridge, MA

#384 in Massachusetts

#6,760 in US

#13,545 in the World

Cambridge, MA, United States of America

Malta Inc.

Forward Citations = 710

18 inventors:

Philippe Larochelle (31 out of 33 patents)

Raj B Apte (23 out of 90 patents)

Bao H Truong (17 out of 17 patents)

4. Benjamin R Bollinger (14 out of 14 patents)

5. Robert B Laughlin (11 out of 15 patents)

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