Flint, MI, United States of America

John A McDougal

This inventor holds 20 USPTO granted patents, primarily in Internal Combustion Engines. Top assignees: John a. Mcdougal, Other. Active years: 1978-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John A McDougal. Retrieved from https://idiyas.com/inventor/john-a-mcdougal

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 10

Forward Citations = 288(Granted Patents)


Location History:

  • Flint, MI (US) (1978 - 1992)
  • Detroit, MI (US) (1981 - 1996)

Company Filing History:


Years Active: 1978-1996

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Areas of Expertise:
Ignition Systems
Spark Plugs
Fuel Evaluation
Vibration Sensors
Impact Structures
Ion Gap Control
Cleaning Devices
Spiral Windings
Engine Components
20 patents (USPTO):Explore Patents

Title: John A. McDougal: Innovator in Spark Plug Technology

Introduction

John A. McDougal, hailing from Flint, MI, is a remarkable inventor with a noteworthy portfolio of 20 patents to his name. His work primarily focuses on innovations in spark plug technology, which have significant implications for internal combustion engines.

Latest Patents

Among his latest innovations is a groundbreaking spark plug equipped with integral electrical components designed to produce a larger spark and a larger resulting flame kernel in internal combustion engines. This innovative spark plug features one or more coils integrated within it to create a magnetic field around the spark. The generated magnetic field bends and rotates the spark in a circular motion, enhancing combustion efficiency. Additionally, McDougal's design incorporates a capacitor for increasing the intensity of the spark. His method of creating these advanced spark plugs involves applying a cermet ink to the ceramic spark plug insulator before it has fully hardened. This cermet ink allows for the development of monolithic spark plug electrodes, integrated coils, and capacitors. Furthermore, the method can be adapted to create monolithic electrically conductive paths through various solid dielectric materials.

Career Highlights

Throughout his career, John A. McDougal has worked with companies that have contributed to his extensive experience in the field of innovations. His technical expertise and groundbreaking inventions have solidified his reputation as a leading figure in spark plug technology.

Collaborations

During his career, McDougal collaborated with various professionals, including his coworker John W. Lennington. Their collective endeavors have fostered advancements in automotive technology, specifically in enhancing spark plug performance.

Conclusion

John A. McDougal's contributions to the field of spark plug technology showcase his innovative spirit and dedication to enhancing the functionality of internal combustion engines. His patents not only reflect his inventive prowess but also pave the way for future advancements in automotive engineering. As the industry continues to evolve, the impact of his work will undoubtedly be felt for years to come.

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]
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