Andrew O Marrack

This inventor holds 26 USPTO granted patents and 2 published patent applications, primarily in Fuel Injection Technology. Top assignee: Caterpillar Inc.. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andrew O Marrack. Retrieved from https://idiyas.com/inventor/andrew-o-marrack

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

USPTO Granted Patents = 26 (Patent Applications = 2)

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 3

Forward Citations = 22(Granted Patents)

Company Filing History:

26 out of 9,828

Caterpillar Inc.

patents

Years Active: 2018-2026

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Areas of Expertise:

Fuel Injector

Dual Fuel System

Control Strategy

Pressure Relief Valve

Fuel Metering

Waveform Control

Injector Clamp

Tip Wear Diagnosis

Energy Waveform

Fluid Conditioning

Parasitic Loading

Valve Timing

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12577918 - Asymmetric fuel injection window and fuel metering window (2026-03-17),

2. 12571365 - Injector clamp with integrated fuel supply and return passages (2026-03-10),

3. 12565870 - Valve arrival time detection in fuel system having dual solenoid operated valves (2026-03-03),

4. 12523182 - Fuel injector control strategy using fuel bulk modulus for fuel injector command determination (2026-01-13),

5. 12486810 - Dual fuel system and method feeding same fuel at two pressures to fuel injector (2025-12-02),

6. 12460596 - Fuel injector drive system (2025-11-04),

7. 12410759 - Waveform for metering fuel into a fuel injector (2025-09-09),

8. 12331708 - Injection control valve in fuel injector configured for pressure relief (2025-06-17),

9. 12253041 - Engine parasitic loading strategy using fuel pressurization (2025-03-18),

10. 12116941 - Valve timing detection in fuel system using off cycle sweep (2024-10-15),

11. 12110832 - Fuel injector control system and method (2024-10-08),

12. 11994083 - Onboard diagnosis and compensation for tip wear in fuel injector (2024-05-28),

13. 11933257 - Fuel injector lift control (2024-03-19),

14. 11873776 - Fuel injector drive system (2024-01-16),

15. 11795887 - Fuel injector variability reduction (2023-10-24),

Title: The Inventor Profile of Andrew O Marrack

Introduction: Andrew O Marrack is a distinguished inventor based in Peoria, Illinois, known for his groundbreaking contributions to various fields.

Latest Patents: Andrew O Marrack's most recent patents include innovative solutions in the automotive industry, particularly focusing on sustainable energy technologies.

Career Highlights: With a career spanning over two decades, Andrew O Marrack has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing unique solutions. His work has significantly impacted the way we approach environmental challenges and technological advancements.

Collaborations: Throughout his career, Andrew O Marrack has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work across disciplines and industries has led to the successful implementation of his ideas in real-world applications.

Conclusion: Andrew O Marrack's passion for innovation and his relentless drive to push the boundaries of what is possible make him a true pioneer in the world of inventions. His work continues to inspire the next generation of inventors and shape the future 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]

2 patents pending: