For the Inventor, By the Inventor

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Denver, CO, United States of America

Iontra LLC

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USPTO Granted Patents = 16

EPO Patents = 1

Trademarks = 2

Forward Citations = 5

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13 inventors (with patents filed for the assignee):

Daniel A Konopka (11 out of 13 patents)

David Kessner (6 out of 6 patents)

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: Sort by Forward Citations

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),

Company Overview

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 synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

16 Patents

#64 in Denver, CO

#406 in Colorado

#19,944 in US

#37,887 in the World

Denver, CO, United States of America

Iontra LLC

Forward Citations = 5

13 inventors:

Daniel A Konopka (11 out of 13 patents)

David Kessner (6 out of 6 patents)

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Iontra LLC. Retrieved from https://idiyas.com/company/iontra

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

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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