For the Inventor, By the Inventor

Enter assignee name

Portland, OR, United States of America

Gunderson, Inc.

USPTO Granted Patents = 88

% Expired Patents = 2.3

EPO Patents = 3

Trademarks = 8

Forward Citations = 820

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64 inventors (with patents filed for the assignee):

Gregory J Saxton (37 out of 37 patents)

Peter L Jones (11 out of 11 patents)

Jon B Zaerr (10 out of 10 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. Daniel J Schuller (5 out of 5 patents)

11. Kris Heitmeyer (4 out of 4 patents)

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

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

14. Caglar Ozerdim (3 out of 9 patents)

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

Core Competencies:

Gondola Car

Hopper Car

Railcar Design

Tank Car

Container Well

Freight Car

Insulated Boxcar

Pneumatic Brake

Multi-Unit Car

Lightweight Structure

Railway Boxcar

Discharge Gate

88 patents: Sort by Forward Citations

1. 12736149 - Railway tank car having a discharge valve assembly and a dis-engageable valve handle assembly coupled to the discharge valve assembly (2026-09-15),

2. 12662172 - Large plate tilt railroad car (2026-06-23),

3. 12539893 - Gondola railroad car (2026-02-03),

4. 12509129 - Large plate tilt railroad car (2025-12-30),

5. 12434744 - Door assemblies for insulated boxcars and refrigerated boxcars (2025-10-07),

6. 12409872 - Coupler cross keys (2025-09-09),

7. 12286141 - Hopper railroad car having top hatch cover assembly (2025-04-29),

8. 12286140 - Railcar for transport of steel coils with removable bi-level roof (2025-04-29),

9. 12202529 - Cover assemblies for railroad cars (2025-01-21),

10. 12168466 - Open top gondola railcars (2024-12-17),

11. 12122431 - Asymmetric hopper cars (2024-10-22),

12. 12077195 - Manway assemblies for railroad cars (2024-09-03),

13. 12024211 - Discharge gate arrangements for railroad hopper cars (2024-07-02),

14. 12005937 - Configurable railroad car (2024-06-11),

15. 11878724 - Autorack cars (2024-01-23),

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.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

88 Patents

#13 in Portland, OR

#51 in Oregon

#4,226 in US

#8,655 in the World

Portland, OR, United States of America

Gunderson, Inc.

Forward Citations = 820

64 inventors:

Gregory J Saxton (37 out of 37 patents)

Peter L Jones (11 out of 11 patents)

Jon B Zaerr (10 out of 10 patents)

4. John N Niosi (9 out of 9 patents)

5. Michael Gillis (7 out of 7 patents)

Please report any incorrect information to [email protected]

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