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For the Inventor, By the Inventor

Akron, OH, United States of America

Echogen Power Systems, LLC


USPTO Granted Patents = 41



Trademarks = 2

Forward Citations = 2,588

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17 inventors (with patents filed for the assignee):

goldMedal Timothy James Held (26 out of 51 patents)

silverMedal Michael Louis Vermeersch (11 out of 21 patents)

bronzeMedal Jason D Miller (10 out of 32 patents)

4.  Stephen R Hostler (8 out of 8 patents)

5.  Tao Xie (7 out of 23 patents)

6.  Brett Bowan (6 out of 6 patents)

7.  Michael Gurin (4 out of 72 patents)

8.  Brian F Hume (4 out of 4 patents)

9.  Joshua Giegel (2 out of 22 patents)

10.  Jason Lee Preuss (2 out of 2 patents)

11.  Katherine L Hart (2 out of 3 patents)

12.  Cameron Close (2 out of 2 patents)

13.  Alexander Steven Kacludis (2 out of 2 patents)

14.  Steve B Zakem (2 out of 2 patents)

15.  Vamshi Krishna Avadhanula (1 out of 1 patent)


Core Competencies:
Supercritical Carbon Dioxide
Pumped Thermal Energy Storage
Heat Engine Systems
Turbopump Management
Thermal Energy Conversion
Mass Management Control
Hydrostatic Bearings
Waste Heat Recovery
Solar Collector Integration
Hybrid Power Systems
Thermodynamic Power Conversion
Cascade Heat Engine Cycles

41 patents:

1. 11293309 - Active thrust management of a turbopump within a supercritical working fluid circuit in a heat engine system (2022-04-05),
2. 11187112 - Systems and methods for generating electricity via a pumped thermal energy storage system (2021-11-30),
3. 10934895 - Heat engine systems with high net power supercritical carbon dioxide circuits (2021-03-02),
4. 10883388 - Systems and methods for generating electricity via a pumped thermal energy storage system (2021-01-05),
5. 10570777 - Active thrust management of a turbopump within a supercritical working fluid circuit in a heat engine system (2020-02-25),
6. 10495098 - Systems and methods for balancing thrust loads in a heat engine system (2019-12-03),
7. 10472994 - Systems and methods for controlling the pressure of a working fluid at an inlet of a pressurization device of a heat engine system (2019-11-12),
8. 10267184 - Valve network and method for controlling pressure within a supercritical working fluid circuit in a heat engine system with a turbopump (2019-04-23),
9. 10077683 - Mass management system for a supercritical working fluid circuit (2018-09-18),
10. 10024198 - Heat engine system including an integrated cooling circuit (2018-07-17),
11. 9932861 - Systems and methods for controlling backpressure in a heat engine system having hydrostaic bearings (2018-04-03),
12. 9926811 - Control methods for heat engine systems having a selectively configurable working fluid circuit (2018-03-27),
13. 9874112 - Heat engine system having a selectively configurable working fluid circuit (2018-01-23),
14. 9863287 - Heat engine system with a supercritical working fluid and processes thereof (2018-01-09),
15. 9816403 - Thermal energy conversion method (2017-11-14),
EchoGen Power Systems, LLC is a leading provider of advanced heat-to-power solutions. Our technology harnesses waste heat from various sources and converts it into clean, efficient electricity. With innovative design and cutting-edge engineering, we help industries reduce their carbon footprint and improve energy efficiency. Visit our website to learn more about our groundbreaking power systems.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

41 Patents

#14 in Akron, OH

#338 in Ohio

#8,153 in US

#16,205 in the World

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Akron, OH, United States of America

Echogen Power Systems, LLC

Forward Citations = 2,588

17 inventors:

goldMedal Timothy James Held (26 out of 51 patents)

silverMedal Michael Louis Vermeersch (11 out of 21 patents)

bronzeMedal Jason D Miller (10 out of 32 patents)

4.  Stephen R Hostler (8 out of 8 patents)

5.  Tao Xie (7 out of 23 patents)

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