For the Inventor, By the Inventor

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Houston, TX, United States of America

Stewart & Stevenson LLC

USPTO Granted Patents = 25

CIPO Patents = 3

EPO Patents = 2

Trademarks = 5

Forward Citations = 67

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27 inventors (with patents filed for the assignee):

Brian Sharp (9 out of 9 patents)

Chris Harvell (8 out of 8 patents)

Paul L Smith (5 out of 28 patents)

4. Mark Scott Payne (5 out of 177 patents)

5. Chad Joost (4 out of 4 patents)

6. Haomin Lin (3 out of 4 patents)

7. Tom Robertson (3 out of 4 patents)

8. Stephen M Saffioti (2 out of 2 patents)

9. Rodney Earl Lancaster (2 out of 2 patents)

10. Jeff D Smith (2 out of 55 patents)

11. Filiberto Garcia (2 out of 2 patents)

12. Adam Lambertus (2 out of 2 patents)

13. Eric Evezic (2 out of 2 patents)

14. Doseo Park (1 out of 2 patents)

15. Ronnie Stover (1 out of 9 patents)

25 patents: Sort by Forward Citations

1. 12483095 - Generator cooling and enclosure ventilation system (2025-11-25),

2. 12424801 - Software controlled interlocking pilot pin connector system (2025-09-23),

3. 12392446 - Adjustable blender pump mount for hydraulic fracturing (2025-08-19),

4. 12381440 - Directed air ventilation for lowering temperature in enclosed generators (2025-08-05),

5. 12116024 - Platform lift for railroad car moving vehicle (2024-10-15),

6. 12060859 - Generator enclosure air intake with damper (2024-08-13),

7. 12018728 - Generator mounting skid with isolators and auxiliary support system (2024-06-25),

8. 12000251 - Fracturing pumps (2024-06-04),

9. 11767748 - Well fracturing systems with electrical motors and methods of use (2023-09-26),

10. 11753916 - Integrated fracking system (2023-09-12),

11. 11719230 - Well servicing pump with electric motor (2023-08-08),

12. 11713633 - Dry product additive unit (2023-08-01),

13. 11623170 - High capacity low restriction diesel generator air filtration system (2023-04-11),

14. 11598190 - Dual pump integrated fracking system (2023-03-07),

15. 11578579 - Wellsite adaptive power management system (2023-02-14),

Stewart & Stevenson LLC is a leading provider of specialized equipment, vehicle and power generation solutions for a variety of industries. With a history dating back to 1902, the company has established a strong reputation for delivering high-quality products and exceptional customer service. Their extensive product portfolio includes industrial engines, power generation systems, military vehicles, and oilfield equipment. Headquartered in Houston, Texas, Stewart & Stevenson operates globally, serving customers in various sectors such as oil and gas, construction, marine, transportation, and more. The company is dedicated to innovation, reliability, and meeting the unique needs of each client.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

25 Patents

#218 in Houston, TX

#776 in Texas

#12,940 in US

#24,961 in the World

Houston, TX, United States of America

Stewart & Stevenson LLC

Forward Citations = 67

27 inventors:

Brian Sharp (9 out of 9 patents)

Chris Harvell (8 out of 8 patents)

Paul L Smith (5 out of 28 patents)

4. Mark Scott Payne (5 out of 177 patents)

5. Chad Joost (4 out of 4 patents)

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