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For the Inventor, By the Inventor

Denver, CO, United States of America

Iontra LLC


USPTO Granted Patents = 16


Trademarks = 2

Forward Citations = 5

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13 inventors (with patents filed for the assignee):

goldMedal Daniel A Konopka (11 out of 13 patents)

silverMedal David Kessner (6 out of 6 patents)

bronzeMedal John Richard Howlett, Iii (6 out of 6 patents)

4.  Jason A Seedig (2 out of 4 patents)

5.  Reuben Sarkar (2 out of 20 patents)

6.  Jeffrey J Holt (2 out of 2 patents)

7.  Li Hsien Chou (1 out of 1 patent)

8.  Ruzhou Yang (1 out of 1 patent)

9.  Lang Xia (1 out of 1 patent)

10.  Alan Ghazarians (1 out of 1 patent)

11.  Zhong Wang (1 out of 1 patent)

12.  William E Check (1 out of 1 patent)

13.  John R Howlett, III (1 out of 1 patent)


16 patents:

1. 12722517 - Systems and methods for on-board EV charger and regenerative braking (2026-09-01),
2. 12695325 - Method and system for optimal charging process of lithium-ion batteries to mitigate cell degradation in real time (2026-07-28),
3. 12627165 - Systems and methods for battery charging using a negotiable power supply (2026-05-12),
4. 12573868 - Systems and methods for battery charging using circuit modeling (2026-03-10),
5. 12531430 - Systems and methods for impedance measurement of a battery cell (2026-01-20),
6. 12512688 - Systems and methods for controlled battery heating sourcing current to and from the battery and discharge signal conditioning from the same (2025-12-30),
7. 12431728 - Systems and methods for electrochemical device charging and discharging (2025-09-30),
8. 12362582 - Systems and methods for harmonic-based battery charging (2025-07-15),
9. 12328838 - Rack ears and methods of using the same (2025-06-10),
10. 12296705 - Systems and methods for on-board EV charger and regenerative braking (2025-05-13),
11. 12286720 - Electrochemical methods, devices and compositions (2025-04-29),
12. 12191457 - Apparatus, system and method for dendrite and roughness suppression in electrochemical structures (2025-01-07),
13. 12159977 - Apparatus, system and method for dendrite and roughness suppression in electrochemical structures (2024-12-03),
14. 11274374 - Metal deposits, compositions, and methods for making the same (2022-03-15),
15. 11139509 - Apparatus, system and method for dendrite and roughness suppression in electrochemical structures (2021-10-05),
Iontra LLC, based in Denver, Colorado, specializes in advanced battery technology and energy storage solutions. The company focuses on developing innovative systems that enhance the performance and longevity of batteries, catering to various applications including electric vehicles and renewable energy storage. With a commitment to sustainability and efficiency, Iontra aims to revolutionize the energy landscape through cutting-edge research and development in electrochemical systems and materials science.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#64 in Denver, CO

#406 in Colorado

#19,907 in US

#37,788 in the World

Denver, CO (US)
Denver, CO, United States of America

Iontra LLC

Forward Citations = 5

13 inventors:

goldMedal Daniel A Konopka (11 out of 13 patents)

silverMedal David Kessner (6 out of 6 patents)

bronzeMedal John Richard Howlett, Iii (6 out of 6 patents)

4.  Jason A Seedig (2 out of 4 patents)

5.  Reuben Sarkar (2 out of 20 patents)

Please report any incorrect information to [email protected]
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