For the Inventor, By the Inventor

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Madison Heights, MI, United States of America

Tractech Inc.

USPTO Granted Patents = 20

CIPO Patents = 1

Trademarks = 8

Forward Citations = 319

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12 inventors (with patents filed for the assignee):

Walter L Dissett (10 out of 17 patents)

Paul Joseph Valente (5 out of 90 patents)

James R Bawks (3 out of 5 patents)

4. Jeffrey P Lane (1 out of 1 patent)

5. Robert A Kress (1 out of 1 patent)

6. Wendel W Tittjung (1 out of 1 patent)

7. Rodger L Marx (1 out of 2 patents)

8. Jason L Wogaman (1 out of 1 patent)

9. Alvin A Choma (1 out of 2 patents)

10. Timothy R Edwards (1 out of 3 patents)

11. Eddie A Daniels (1 out of 1 patent)

12. Lawrence T Neumann (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 7311632 - Gearless locking differential (2007-12-25),

2. 6826981 - Differential for racing cars (2004-12-07),

3. 6688194 - Locking differential including improved clutch member and adapter sleeve (2004-02-10),

4. 6374701 - Gearless differential (2002-04-23),

5. 6309321 - Fully-locking torque-proportioning differential (2001-10-30),

6. 6209700 - Electric clutch including resilient disk biasing means (2001-04-03),

7. 6076429 - Clutch for a differential (2000-06-20),

8. 5924763 - Wing assembly for drag racers (1999-07-20),

9. 5885181 - Helical gear differential including lubrication passage means (1999-03-23),

10. 5836220 - Locking differential with pin access window (1998-11-17),

11. 5715733 - Locking differential including a spring cap biasing assembly (1998-02-10),

12. 5671640 - Locking differential with pre-load means and C-clip retainers (1997-09-30),

13. 4751853 - Differential with equal depth pinion cavities (1988-06-21),

14. 4677876 - Torque-proportioning differential with cylindrical spacer (1987-07-07),

15. 4644818 - Differential apparatus with side-gear-centered center cam (1987-02-24),

Tractech Inc. is a leading provider of innovative technology solutions for the agriculture industry. With a focus on precision farming, we offer cutting-edge products and services to help farmers increase efficiency and yield. Our team of experts is dedicated to delivering top-quality solutions tailored to each client's specific needs. Visit our website to learn more about how Tractech Inc. can help you optimize your farming operations.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

20 Patents

#6 in Madison Heights, MI

#576 in Michigan

#15,856 in US

#30,316 in the World

Madison Heights, MI, United States of America

Tractech Inc.

Forward Citations = 319

12 inventors:

Walter L Dissett (10 out of 17 patents)

Paul Joseph Valente (5 out of 90 patents)

James R Bawks (3 out of 5 patents)

4. Jeffrey P Lane (1 out of 1 patent)

5. Robert A Kress (1 out of 1 patent)

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