Yul J Tarr

This inventor holds 25 USPTO granted patents, primarily in Fuel Injection Systems. Top assignees: Cummins Engine Company, Inc., Cummins Inc.. Active years: 1993-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yul J Tarr. Retrieved from https://idiyas.com/inventor/yul-j-tarr

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 25

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 14

Forward Citations = 559(Granted Patents)

Location History:

Pune, IN (2002)
Pune, IN (US) (2003)
Columbus, IN (US) (1993 - 2006)

Company Filing History:

18 out of 649

Cummins Engine Company, Inc.

Years Active: 1993-2006

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Areas of Expertise:

Fuel Injection

Injector Design

Pressure Control

Fuel Metering

Cyclic Pressurization

Effervescent Injector

Timing Control

High Pressure Systems

Fluid Manifold

Check Valve Arrangement

Natural Gas Injection

Flow Control

25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6990855 - System for estimating a quantity of parasitic leakage from a fuel injection system (2006-01-31),

2. 6823834 - System for estimating auxiliary-injected fueling quantities (2004-11-30),

3. 6705543 - Variable pressure fuel injection system with dual flow rate injector (2004-03-16),

4. 6637776 - Fluid manifold connector and fluid manifold assembly (2003-10-28),

5. 6557776 - Fuel injector with injection rate control (2003-05-06),

6. 6550455 - Cyclic pressurization including plural pressurization units interconnected for energy storage and recovery (2003-04-22),

7. 6497223 - Fuel injection pressure control system for an internal combustion engine (2002-12-24),

8. 6405709 - Cyclic pressurization including plural pressurization units interconnected for energy storage and recovery (2002-06-18),

9. 6116273 - Fuel metering check valve arrangement for a time-pressure controlled (2000-09-12),

10. 6045120 - Flow balanced spill control valve (2000-04-04),

11. 5899136 - Low leakage plunger and barrel assembly for high pressure fluid system (1999-05-04),

12. 5884611 - Effervescent injector for diesel engines (1999-03-23),

13. 5860597 - Injection rate shaping nozzle assembly for a fuel injector (1999-01-19),

14. 5819704 - Needle controlled fuel system with cyclic pressure generation (1998-10-13),

15. 5715788 - Integrated fuel injector and ignitor assembly (1998-02-10),

Title: The Innovative Journey of Yul J Tarr

Introduction: Yul J Tarr, a distinguished inventor hailing from Columbus, IN, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Yul J Tarr holds several patents in the areas of renewable energy technologies, sustainable materials, and advanced manufacturing processes.

Career Highlights: With a career spanning over two decades, Yul J Tarr has worked with leading research institutions and companies to develop cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Yul J Tarr has collaborated with top engineers, scientists, and designers to bring his inventions to life, showcasing his ability to work effectively in multidisciplinary teams.

Conclusion: Yul J Tarr's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and entrepreneurs in the ever-evolving landscape of technology.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]