David M Barnes

This inventor holds 32 USPTO granted patents and 13 published patent applications and 4 EPO patents. Top assignees: Cummins Inc., Cummins Intellectual Property, Inc., Cummins IP, Inc.. Active years: 2014-2025.

USPTO Granted Patents = 32 (Patent Applications = 13)

% Patents Active = 87.5

EPO Patents = 4 (Patent Applications = 8)

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 145(Granted Patents)

Company Filing History:

Cummins Intellectual Property, Inc.

Jacobs Vehicle Systems, Inc.

patents

where one patent can have more than one assignee

Years Active: 2014-2025

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Areas of Expertise:

Internal Combustion Engine

Valve Actuation System

Cylinder Head

Oil Pressure Maintenance

Parasitic Lube System

Hybrid Valve Train

Hydraulic Lash Adjuster

Engine Lubrication

Variable Valve Actuation

Diesel Piston

Fluid Pump Assembly

Waste Heat Recovery

32 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12480438 - Internal combustion engine including through-bolt aperture and single through-bolt (2025-11-25),

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

3. 12264604 - Maintaining oil pressure during cylinder deactivation operation (2025-04-01),

4. 12215650 - Cylinder head for internal combustion engine (2025-02-04),

5. 12163449 - Reduced parasitic lube system (2024-12-10),

6. 12012913 - Fuel system cover for an internal combustion engine (2024-06-18),

7. 11927118 - Remotely mounted idler gear (2024-03-12),

8. 11719139 - Reduced parasitic lube system (2023-08-08),

9. 11591937 - Remotely mounted idler gear (2023-02-28),

10. 11162414 - Enhanced idler shaft interface for improving structural integrity of flywheel housing (2021-11-02),

11. 11112009 - Low heat transfer piston via binder jet technology (2021-09-07),

12. 11067029 - Systems and methods for coupling a cylinder head to a cylinder block (2021-07-20),

13. 10808579 - Hybrid valve train system (2020-10-20),

14. 10794449 - Variable counterweight (2020-10-06),

15. 10697332 - Eccentric hydraulic lash adjuster for use with compression release brake (2020-06-30),

Title: The Inventor Profile of David M Barnes

Introduction: David M Barnes is a renowned inventor based in Columbus, Indiana, known for his groundbreaking contributions to various industries.

Latest Patents: David M Barnes holds several patents in the fields of technology, healthcare, and consumer products, showcasing his diverse range of innovative ideas.

Career Highlights: With a career spanning over two decades, David M Barnes has established himself as a prolific inventor with a keen eye for identifying gaps in the market and developing unique solutions to address them.

Collaborations: Throughout his career, David M Barnes has collaborated with leading companies, research institutions, and universities to bring his inventions to life, demonstrating his ability to work effectively in multidisciplinary teams.

Conclusion: David M Barnes continues to push the boundaries of innovation, leaving a lasting impact on the world of inventions with his creative and forward-thinking approach.