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For the Inventor, By the Inventor

Maumee, OH, United States of America

Dana Heavy Vehicle Systems Group, LLC


USPTO Granted Patents = 279



Forward Citations = 624

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194 inventors (with patents filed for the assignee):

goldMedal James Foltan Ziech (33 out of 69 patents)

silverMedal Jordan M Houser (27 out of 28 patents)

bronzeMedal Brian V Knapke (21 out of 21 patents)

4.  Jason M Sidders (20 out of 23 patents)

5.  Michael D Cook (19 out of 19 patents)

6.  Steven G Slesinski (18 out of 20 patents)

7.  Darren J Ziskovsky (17 out of 25 patents)

8.  Steven J Wesolowski (17 out of 21 patents)

9.  Mark A Davis (17 out of 19 patents)

10.  Mark W Leber (16 out of 17 patents)

11.  William F Waltz (15 out of 16 patents)

12.  Harry W Trost (15 out of 22 patents)

13.  George A Willford (14 out of 25 patents)

14.  Lloyd G Racine (13 out of 13 patents)

15.  Aaron D Gries (12 out of 17 patents)


Core Competencies:
Electric Powertrain
Variable Transmission
Electric Axle
Differential Disconnect
Electric Vehicle Battery
Cooling Assembly
Multi-Speed Gearbox
Electromechanical Actuator
Drivetrain Technology
Lubrication Systems
Electric Propulsion
Automated Door Systems

279 patents:

1. 12515635 - Charge current based shift method and system (2026-01-06),
2. 12510143 - Electric axle (2025-12-30),
3. 12498042 - Methods and systems for a transmission shift assembly (2025-12-16),
4. 12491775 - System and method for recirculating power (2025-12-09),
5. 12485774 - Drivetrain with infinitely and electrically variable transmission capabilities (2025-12-02),
6. 12442443 - E-transmission with suction side screw on oil filter (2025-10-14),
7. 12429134 - Transmission system and shifting method (2025-09-30),
8. 12409727 - System and method for a differential disconnect electric axle (2025-09-09),
9. 12403794 - Electric vehicle battery unit and battery unit installation method (2025-09-02),
10. 12397684 - Electric powertrain and method for operation of said powertrain (2025-08-26),
11. 12391069 - Trumpet arm with internal buttresses (2025-08-19),
12. 12351009 - Systems and methods for an electric axle (2025-07-08),
13. 12337723 - Electric powertrain cooling assembly and cooling assembly operating method (2025-06-24),
14. 12313153 - Planetary pinion input electric drive unit (2025-05-27),
15. 12311746 - Electric axle and control method (2025-05-27),
Dana Heavy Vehicle Systems Group, LLC is a leading provider of advanced technologies and solutions for the commercial vehicle industry. They specialize in designing and manufacturing drivetrain, powertrain, chassis, and other related systems for heavy-duty trucks, buses, and off-highway vehicles. With a focus on innovation and sustainability, Dana Heavy Vehicle Systems Group strives to deliver superior products that enhance vehicle performance, efficiency, and reliability.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

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279 Patents

#2 in Maumee, OH

#66 in Ohio

#1,496 in US

#3,072 in the World

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Maumee, OH, United States of America

Dana Heavy Vehicle Systems Group, LLC

Forward Citations = 624

194 inventors:

goldMedal James Foltan Ziech (33 out of 69 patents)

silverMedal Jordan M Houser (27 out of 28 patents)

bronzeMedal Brian V Knapke (21 out of 21 patents)

4.  Jason M Sidders (20 out of 23 patents)

5.  Michael D Cook (19 out of 19 patents)

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