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For the Inventor, By the Inventor

Lexington, MA, United States of America

Michael A Ward

USPTO Granted Patents = 25

Average Co-Inventor Count = 1.2

ph-index = 20

Forward Citations = 1,301(Granted Patents)


Location History:

  • Cambridge, MA (US) (1976)
  • Arlington, MA (US) (1985 - 1996)
  • Stoneham, MA (US) (1996)
  • Lexington, MA (US) (1979 - 2000)
  • Quinlan, TX (US) (2019)

Company Filing History:

goldMedal15 out of 16 
 
Combustion Electromagnetics Inc.
 patents
silverMedal1 out of 1 
 
Combustion Electronics, Inc.
 patent
bronzeMedal1 out of 1 
 
Ignition Systems International, Llc.
 patent
4. 7 out of 832,718 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-2019

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25 patents (USPTO):Explore Patents
1. D858165 - Armrest for airplane pilot (2019-09-03),
2. 6142130 - Low inductance high energy inductive ignition system (2000-11-07),
3. 5947093 - Hybrid ignition with stress-balanced coils (1999-09-07),
4. 5577471 - Long-life, anti-fouling, high current, extended gap, low heat capacity (1996-11-26),
5. 5558071 - Ignition system power converter and controller (1996-09-24),
6. 5551411 - Dilution controlled lean burn system (1996-09-03),
7. 5517961 - Engine with flow coupled spark discharge (1996-05-21),
8. 5456241 - Optimized high power high energy ignition system (1995-10-10),
9. 5454352 - Variable cycle three-stroke engine (1995-10-03),
10. 5315982 - High efficiency, high output, compact CD ignition coil (1994-05-31),
11. 5211147 - Reverse stratified, ignition controlled, emissions best timing lean burn (1993-05-18),
12. 5207208 - Integrated converter high power CD ignition (1993-05-04),
13. 5131376 - Distributorless capacitive discharge ignition system (1992-07-21),
14. 4868730 - DC to DC converter current pump (1989-09-19),
15. 4841925 - Enhanced flame ignition for hydrocarbon fuels (1989-06-27),

Title: Innovations and Contributions of Michael A. Ward in Ignition System Technology

Introduction: Michael A. Ward is a prominent inventor based in Lexington, Massachusetts, with a remarkable portfolio that includes 24 patents to his name. His work focuses primarily on high-energy ignition systems that have significantly impacted internal combustion engine technology.

Latest Patents: Among his latest innovations is the patent for a "Low Inductance High Energy Inductive Ignition System." This system presents a hybrid ignition solution featuring stress-balanced coils. Another notable invention is the "Improved High Energy High Efficiency Hybrid Capacitive/Inductive Ignition System." This technology employs energy storage capacitors shunted by diodes, integrating high leakage inductors with primary and secondary windings configured side-by-side on a segmented bobbin. Additionally, it utilizes unidirectional switches for each coil, preferably implemented as IGBTs, along with high-efficiency shunt diode-switch means, allowing for a decaying inductive spark following the initial capacitive discharge.

Career Highlights: Michael A. Ward has had an illustrious career, previously contributing his expertise at Combustion Electromagnetics Inc. His innovations have positioned him as a key figure in developing more efficient ignition systems for internal combustion engines.

Collaborations: Throughout his career, Ward has collaborated with notable colleagues such as Winfield Hill and Robert P. Lefevre. Their combined efforts have likely advanced the technology within the field, enriching the innovations produced.

Conclusion: Michael A. Ward's contributions to the realm of ignition systems reflect his commitment to enhancing energy efficiency in internal combustion engines. His patents exemplify the fusion of innovative engineering and practical application, standing as a testament to his expertise and impact in the industry.

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