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For the Inventor, By the Inventor

Portland, OR, United States of America

Gunderson, Inc.


USPTO Granted Patents = 85


Trademarks = 8

Forward Citations = 807

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59 inventors (with patents filed for the assignee):

goldMedal Gregory J Saxton (37 out of 37 patents)

silverMedal Jon B Zaerr (10 out of 10 patents)

bronzeMedal Peter L Jones (9 out of 9 patents)

4.  John N Niosi (9 out of 9 patents)

5.  Michael Gillis (7 out of 7 patents)

6.  Charles C Hill (7 out of 24 patents)

7.  Gary S Kaleta (6 out of 8 patents)

8.  Bradley J Thomas (5 out of 5 patents)

9.  James Jarvis (5 out of 5 patents)

10.  Kris Heitmeyer (4 out of 4 patents)

11.  Marvin Gordon Rains (4 out of 4 patents)

12.  Gareth R Thomas (4 out of 5 patents)

13.  Caglar Ozerdim (3 out of 9 patents)

14.  James D Pileggi (3 out of 16 patents)

15.  Glenn Allen Sandheinrich (3 out of 6 patents)


Core Competencies:
Railroad Car Design
Insulated Boxcars
Hopper Cars
Railcar Transport
Tank Car Mechanisms
Gondola Railcars
Container Support
Freight Car Innovations
Discharge Gate Arrangements
Articulated Connectors
Lightweight Railcars
Cargo-Carrying Structures

85 patents:

1. 12509129 - Large plate tilt railroad car (2025-12-30),
2. 12434744 - Door assemblies for insulated boxcars and refrigerated boxcars (2025-10-07),
3. 12409872 - Coupler cross keys (2025-09-09),
4. 12286141 - Hopper railroad car having top hatch cover assembly (2025-04-29),
5. 12286140 - Railcar for transport of steel coils with removable bi-level roof (2025-04-29),
6. 12202529 - Cover assemblies for railroad cars (2025-01-21),
7. 12168466 - Open top gondola railcars (2024-12-17),
8. 12122431 - Asymmetric hopper cars (2024-10-22),
9. 12077195 - Manway assemblies for railroad cars (2024-09-03),
10. 12024211 - Discharge gate arrangements for railroad hopper cars (2024-07-02),
11. 12005937 - Configurable railroad car (2024-06-11),
12. 11878724 - Autorack cars (2024-01-23),
13. 11840268 - Railcar for transport of steel coils with removable bi-level roof (2023-12-12),
14. 11820407 - Covered hopper car (2023-11-21),
15. 11713061 - Hopper railroad car having top hatch cover assembly (2023-08-01),
Gunderson, Inc. is a leading manufacturing company specialized in producing high-quality industrial equipment. With over 50 years of experience, Gunderson, Inc. has established itself as a trusted provider of innovative solutions for various industries. Our cutting-edge technology and dedicated workforce enable us to deliver reliable and efficient products that meet the needs of our clients worldwide. Visit our website to learn more about our comprehensive range of equipment and discover how Gunderson, Inc. can enhance your business operations.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

85 Patents

#15 in Portland, OR

#54 in Oregon

#4,220 in US

#8,670 in the World

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Portland, OR, United States of America

Gunderson, Inc.

Forward Citations = 807

59 inventors:

goldMedal Gregory J Saxton (37 out of 37 patents)

silverMedal Jon B Zaerr (10 out of 10 patents)

bronzeMedal Peter L Jones (9 out of 9 patents)

4.  John N Niosi (9 out of 9 patents)

5.  Michael Gillis (7 out of 7 patents)

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