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Sioux City, IA, United States of America

Wilson Trailer Company

USPTO Granted Patents = 13

Trademarks = 2

Forward Citations = 118

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10 inventors (with patents filed for the assignee):

Mack A Lewis (6 out of 7 patents)

Brett Plazek (3 out of 3 patents)

Matthew M Putze (2 out of 2 patents)

4. Michael L Chan (2 out of 76 patents)

5. Mike R Spencer (2 out of 2 patents)

6. William P Pelchat (1 out of 1 patent)

7. Don A Greive (1 out of 1 patent)

8. Gerald E Joynt (1 out of 1 patent)

9. David Peterson (1 out of 1 patent)

10. Aaron Larson (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 12144312 - Rack and pinion roller gate system for a livestock transportation vehicle, and method of operation thereof (2024-11-19),

2. 10889429 - System and method for converting a commodity trailer with gravity discharge slide gates to be compatible with a pneumatic outlet gate and an interchangeable pneumatic gate therefor (2021-01-12),

3. 8393838 - Interconnecting trailer side rail and tie down plate (2013-03-12),

4. 6085948 - Trap closure device for trailer hoppers (2000-07-11),

5. 6058885 - Lock and release mechanism for vertical adjustable deck in livestock (2000-05-09),

6. 5152599 - Contact strip lighting system (1992-10-06),

7. 4470231 - Removable closure panels for livestock trailer, body or container (1984-09-11),

8. 4437699 - Monocoque trailer or body side construction (1984-03-20),

9. 4397498 - Collapsible outrigger side extension for load bed (1983-08-09),

10. 4305694 - Hydraulic tailgate extension, bumper and lock (1981-12-15),

11. 4293158 - Gate with ramp device for livestock trailer with lift deck (1981-10-06),

12. 4277096 - Telescoping reach rod for gate and ramp device with lift deck (1981-07-07),

13. 4153289 - Ramp leg guard (1979-05-08),

Wilson Trailer Company is a leading manufacturer of livestock, grain, flatbed, and gooseneck trailers. With over 125 years of experience, Wilson Trailer is known for its high-quality, durable trailers that are built to last. Their trailers are designed for a variety of industries including agriculture, construction, and transportation.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

13 Patents

#1 in Sioux City, IA

#140 in Iowa

#23,148 in US

#43,681 in the World

Sioux City, IA, United States of America

Wilson Trailer Company

Forward Citations = 118

10 inventors:

Mack A Lewis (6 out of 7 patents)

Brett Plazek (3 out of 3 patents)

Matthew M Putze (2 out of 2 patents)

4. Michael L Chan (2 out of 76 patents)

5. Mike R Spencer (2 out of 2 patents)

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