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For the Inventor, By the Inventor

Auburn, IN, United States of America

Auburn Gear, Inc.


USPTO Granted Patents = 29

% Expired Patents = 3.4



Trademarks = 10

Forward Citations = 380

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19 inventors (with patents filed for the assignee):

goldMedal James L Forrest (15 out of 15 patents)

silverMedal Robert Leeper (10 out of 13 patents)

bronzeMedal James L Engle (4 out of 4 patents)

4.  Dan M Metzger (3 out of 3 patents)

5.  Joseph A Beals (3 out of 3 patents)

6.  Steve M Juhasz (2 out of 2 patents)

7.  Isaac D Branning (2 out of 5 patents)

8.  John T Fortman (2 out of 2 patents)

9.  Don T Walters (1 out of 1 patent)

10.  Craig A Wisner (1 out of 11 patents)

11.  Aaron J Binegar (1 out of 1 patent)

12.  Ronald E Smith (1 out of 1 patent)

13.  Brian P Cigal (1 out of 1 patent)

14.  James P Scott (1 out of 4 patents)

15.  Thomas N Till (1 out of 1 patent)


Core Competencies:
Planetary Gear Assembly
Limited Slip Differential
Electric Motor
Drive Transmission
Locking Differential
Quick Disconnect
Cone Clutch
Electromagnetic Actuation
Hydraulically Operated
Magnetorheological Fluid
Speed Sensitive
Differential Cross Pin

29 patents:

1. 12092203 - Planetary gear assembly with reversible PTO shaft (2024-09-17),
2. 10766361 - Wheel drive transmission (2020-09-08),
3. 10239401 - Electric motor and gearing assembly (2019-03-26),
4. 9950562 - Wheel drive transmission unit (2018-04-24),
5. D800198 - Combined electric motor and planetary transmission (2017-10-17),
6. 9243690 - Multispeed drive unit (2016-01-26),
7. 8858385 - Locking differential (2014-10-14),
8. 8795130 - Quick disconnect for a drive unit (2014-08-05),
9. 6719662 - Electromagnetically locking differential (2004-04-13),
10. 6702070 - Integrated drive unit (2004-03-09),
11. 6607049 - Quick disconnect for an integrated drive unit (2003-08-19),
12. 6582336 - Electromagnetically-actuated limited slip differential (2003-06-24),
13. 6527661 - Limited slip differential having magnetorheological fluid brake (2003-03-04),
14. 6309320 - Direct housing mount of electromagnet (2001-10-30),
15. 6261202 - Cone clutch structure having recessed areas for use in a limited slip differential (2001-07-17),
Auburn Gear, Inc. is a prominent manufacturer specializing in advanced gear and drivetrain solutions, primarily for the automotive and industrial sectors. The company focuses on the design and production of high-performance gear systems, including differentials and related components, which are essential for vehicle performance and reliability. With a strong emphasis on innovation, Auburn Gear leverages cutting-edge technology to enhance the efficiency and durability of its products, serving a diverse clientele across various markets.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Auburn Gear, Inc.
29 Patents

#2 in Auburn, IN

#174 in Indiana

#11,615 in US

#22,530 in the World

Auburn, IN (US)
Auburn, IN, United States of America

Auburn Gear, Inc.

Forward Citations = 380

19 inventors:

goldMedal James L Forrest (15 out of 15 patents)

silverMedal Robert Leeper (10 out of 13 patents)

bronzeMedal James L Engle (4 out of 4 patents)

4.  Dan M Metzger (3 out of 3 patents)

5.  Joseph A Beals (3 out of 3 patents)

Please report any incorrect information to [email protected]
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