For the Inventor, By the Inventor

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Portland, OR, United States of America

Ess Tech, Inc.

USPTO Granted Patents = 70

EPO Patents = 1

Trademarks = 3

Forward Citations = 121

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18 inventors (with patents filed for the assignee):

Yang Song (55 out of 61 patents)

Craig E Evans (43 out of 61 patents)

Timothy J McDonald (14 out of 14 patents)

4. Sean Casey (12 out of 12 patents)

5. Thiago Groberg (11 out of 11 patents)

6. Kenneth Kiyoshi Fisher (6 out of 6 patents)

7. Alexandria Behr (4 out of 4 patents)

8. Aaron Vanderzanden (4 out of 4 patents)

9. Brady Thompson (3 out of 3 patents)

10. Evan Doremus (2 out of 2 patents)

11. Steve Ernst (2 out of 3 patents)

12. Isaac Walker-Stern (2 out of 4 patents)

13. Sean Kissick (2 out of 2 patents)

14. Jeffrey Chen (1 out of 1 patent)

15. Aaron Vanderzaden (1 out of 1 patent)

Core Competencies:

Redox Flow Battery

Energy Density

Electrode Assembly

Hybrid Fuel Cell

Electrolyte Management

Bipolar Plate

Energy Storage

Hydrogen Recycle System

Roll-to-Roll Processing

Power Delivery

Cryptocurrency Mining

70 patents: Sort by Forward Citations

1. 12283815 - Methods and systems for managing energy consumption of cryptocurrency mining (2025-04-21),

2. 12283731 - Cost-efficient high energy density redox flow battery (2025-04-21),

3. 12283730 - Cost-efficient high energy density redox flow battery (2025-04-21),

4. 12266829 - Multi-stage rebalancing reactor for redox flow battery system (2025-04-01),

5. 12255370 - Electrode assembly for a redox flow battery (2025-03-18),

6. 12191548 - Hybrid redox fuel cell system (2025-01-07),

7. 12176590 - Flow battery cleansing cycle to maintain electrolyte health and system performance (2024-12-24),

8. 12160025 - Double-stack redox flow battery (2024-12-03),

9. 12132241 - Method and system for rebalancing electrolytes in a redox flow battery system (2024-10-29),

10. 12095130 - Methods and systems for surface disruption of bipolar plate and subsequent use thereof in redox flow battery (2024-09-17),

11. 12087984 - Hybrid redox fuel cell system (2024-09-10),

12. 12087981 - Electrolyte health management for redox flow battery (2024-09-10),

13. 12080931 - Redox flow battery and battery system (2024-09-03),

14. 12080930 - Integrated hydrogen recycle system using pressurized multichamber tank (2024-09-03),

15. 11996597 - Hybrid redox fuel cell system (2024-05-28),

ESS TECH, INC. is a leading global provider of advanced audio signal processing solutions for a broad range of consumer electronics, professional audio, and wireless audio markets. With a strong focus on innovation, ESS TECH, INC. designs and develops cutting-edge audio technologies that deliver superior sound quality and exceptional audio experiences. Through continuous research and development, the company has established a reputation for delivering high-performance audio solutions that meet the demanding requirements of the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

70 Patents

#18 in Portland, OR

#63 in Oregon

#5,014 in US

#10,203 in the World

Portland, OR, United States of America

Ess Tech, Inc.

Forward Citations = 121

18 inventors:

Yang Song (55 out of 61 patents)

Craig E Evans (43 out of 61 patents)

Timothy J McDonald (14 out of 14 patents)

4. Sean Casey (12 out of 12 patents)

5. Thiago Groberg (11 out of 11 patents)

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