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Bloomfield, CT, United States of America

Jacobs Vehicle Systems, Inc.

USPTO Granted Patents = 108

EPO Patents = 48

Trademarks = 15

Forward Citations = 656

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95 inventors (with patents filed for the assignee):

Justin D Baltrucki (43 out of 44 patents)

Gabriel Scott Roberts (20 out of 20 patents)

G Michael Gron, Jr (19 out of 21 patents)

4. Brian L Ruggiero (17 out of 21 patents)

5. Neil E Fuchs (16 out of 23 patents)

6. John A Schwoerer (15 out of 24 patents)

7. Robb Janak (14 out of 20 patents)

8. John Mandell (13 out of 14 patents)

9. Zhou Yang (13 out of 48 patents)

10. Matei Alexandru (12 out of 12 patents)

11. Richard E Vanderpoel (11 out of 22 patents)

12. Steven N Ernest (10 out of 12 patents)

13. Zdenek S Meistrick (10 out of 18 patents)

14. Bruce A Swanbon (8 out of 10 patents)

15. David Ferreira (7 out of 10 patents)

Core Competencies:

Valve Actuation

Internal Combustion Engine

Lost Motion Components

Cylinder Deactivation

Engine Braking

Rocker Arm Systems

Hydraulic Lash Adjuster

Variable Valve Actuation

Piston Engine Control

Auxiliary Motion Source

Lash Adjustment

Exhaust Valve Sequencing

108 patents: Sort by Forward Citations

1. 12460594 - Shutdown control of internal combustion engine comprising lost motion component (2025-11-04),

2. 12435649 - Valve actuation system comprising a discrete lost motion device (2025-10-07),

3. 12297757 - Lost motion variable valve actuation systems and method (2025-05-13),

4. 12286909 - Rocker arm with a reset slider disposed in a lash adjustment assembly (2025-04-29),

5. 12270322 - System and method for actuating engine valves including a recompression relief valve event (2025-04-08),

6. 12264605 - System facilitating cylinder deactivation and 1.5-stroke engine braking operation in an internal combustion engine (2025-04-01),

7. 12258888 - Valve actuation system comprising hydraulic lash adjuster operating via a one-way coupling mechanism (2025-03-25),

8. 12188420 - Combined engine braking and positive power engine lost motion valve actuation system (2025-01-07),

9. 12055075 - Valve actuation system comprising rocker assemblies sharing an output rocker (2024-08-06),

10. 12044152 - Rocker control in lost motion engine valve actuation systems (2024-07-23),

11. 12018599 - Valve actuation system comprising rocker assemblies with one-way coupling therebetween (2024-06-25),

12. 11952923 - Selective resetting lost motion engine valve train components (2024-04-09),

13. 11619180 - Valve actuation system comprising lost motion and high lift transfer components in a main motion load path (2023-04-04),

14. 11619147 - Valve actuation system comprising parallel lost motion components deployed in a rocker arm and valve bridge (2023-04-04),

15. 11542877 - Systems and methods for counter flow management and valve motion sequencing in enhanced engine braking (2023-01-03),

Headquartered in Bloomfield, Connecticut, Jacobs Vehicle Systems is a global leader in the design, engineering, and manufacturing of engine braking systems and valve actuation mechanisms. With a history dating back to 1961, the company has continuously pioneered the development of innovative technologies that enhance performance, fuel efficiency, and emissions control in commercial vehicles. Jacobs Vehicle Systems is committed to delivering reliable and cost-effective solutions for its customers in the trucking, bus, and off-highway industries.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

108 Patents

#1 in Bloomfield, CT

#85 in Connecticut

#3,407 in US

#7,062 in the World

Bloomfield, CT, United States of America

Jacobs Vehicle Systems, Inc.

Forward Citations = 656

95 inventors:

Justin D Baltrucki (43 out of 44 patents)

Gabriel Scott Roberts (20 out of 20 patents)

G Michael Gron, Jr (19 out of 21 patents)

4. Brian L Ruggiero (17 out of 21 patents)

5. Neil E Fuchs (16 out of 23 patents)

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