For the Inventor, By the Inventor

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Chicago, IL, United States of America

Pullman Incorporated

USPTO Granted Patents = 228

Forward Citations = 2,466

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148 inventors (with patents filed for the assignee):

Roy W Miller (17 out of 30 patents)

Walter J Marulic (17 out of 17 patents)

Jack E Gutridge (16 out of 17 patents)

4. Ronald W Marsh (11 out of 12 patents)

5. John J Glassmeyer (10 out of 10 patents)

6. Franklin P Adler (10 out of 21 patents)

7. Richard C Snyder (10 out of 11 patents)

8. Willis H Knippel (9 out of 9 patents)

9. Ray L Ferris (8 out of 11 patents)

10. Marvin B Stark (7 out of 11 patents)

11. Phillip G Przybylinski (7 out of 23 patents)

12. James J Schuller (7 out of 11 patents)

13. William H Peterson (6 out of 6 patents)

14. Ernest J Nagy (6 out of 6 patents)

15. Eugene I Varda (6 out of 6 patents)

Core Competencies:

Hatch Cover Lock

Fired Process Heater

Railway Car Superstructure Frame

Fatigue Resistant Partition Sheet

Pneumatic Discharge Arrangement

Railway Passenger Car Interior

Temperature Sensor Arrangement

Railway Wheel Profilometer

Horizontal Cross-Flow Scrubber

Auto Carrier Railway Car

Conveyor Table Arrangement

Corrosion Resistant Membrane

228 patents: Sort by Forward Citations

1. 4655365 - Hatch cover lock (1987-04-07),

2. 4412975 - Fired process heater (1983-11-01),

3. 4372604 - Stowable armrest table assembly (1983-02-08),

4. 4368673 - Distribution means for partition sheet assembly (1983-01-18),

5. 4363578 - Cushioned low profile trailer (1982-12-14),

6. 4359003 - Railway car center filler (1982-11-16),

7. 4359002 - Railway car corner post (1982-11-16),

8. 4353314 - Box car corner post arrangement (1982-10-12),

9. 4348910 - Sponge iron products sampling device (1982-09-14),

10. 4346060 - Radial ammonia converters (1982-08-24),

11. 4343771 - Horizontal cross-flow scrubber (1982-08-10),

12. 4339222 - Door locking mechanism for hopper car doors (1982-07-13),

13. 4337708 - Railway car superstructure frame (1982-07-06),

14. 4335988 - Trackside cam centering arrangement (1982-06-22),

15. 4334481 - Fatigue resistant partition sheet assembly (1982-06-15),

Pullman Incorporated is a leading manufacturer of industrial equipment and machinery. With a strong focus on quality and innovation, Pullman has been a trusted name in the industry for over 50 years. From conveyor systems to welding equipment, Pullman offers a wide range of products that are designed to meet the needs of a variety of industries. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

228 Patents

#32 in Chicago, IL

#116 in Illinois

#1,761 in US

#3,640 in the World

Chicago, IL, United States of America

Pullman Incorporated

Forward Citations = 2,466

148 inventors:

Roy W Miller (17 out of 30 patents)

Walter J Marulic (17 out of 17 patents)

Jack E Gutridge (16 out of 17 patents)

4. Ronald W Marsh (11 out of 12 patents)

5. John J Glassmeyer (10 out of 10 patents)

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