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Akron, OH, United States of America

Simmonds Precision Engine Systems, Inc.

USPTO Granted Patents = 19

Trademarks = 1

Forward Citations = 413

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16 inventors (with patents filed for the assignee):

Dennis M DeFreitas (8 out of 10 patents)

Howard V Bonavia (4 out of 6 patents)

Dale F Geislinger (4 out of 7 patents)

4. Albert Migliori (2 out of 27 patents)

5. James R Wright (2 out of 6 patents)

6. David N Owens (2 out of 2 patents)

7. John R Lindbery (1 out of 5 patents)

8. Richard C Frink (1 out of 2 patents)

9. David F Flanagan (1 out of 3 patents)

10. Michael J Terzo (1 out of 1 patent)

11. Keith E Iholts (1 out of 2 patents)

12. Philip J Morton (1 out of 1 patent)

13. David E Artus (1 out of 3 patents)

14. John E Killean (1 out of 1 patent)

15. Daniel E Rees (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 5689949 - Ignition methods and apparatus using microwave energy (1997-11-25),

2. 5673554 - Ignition methods and apparatus using microwave energy (1997-10-07),

3. 5628180 - Ignition methods and apparatus for combustors (1997-05-13),

4. 5590517 - Ignition methods and apparatus for combustors (1997-01-07),

5. 5588299 - Electrostatic fuel injector body with igniter electrodes formed in the (1996-12-31),

6. 5572135 - Diagnostic apparatus and methods for ignition circuits (1996-11-05),

7. 5530617 - Exciter circuit with oscillatory discharge and solid state switchiing (1996-06-25),

8. 5525644 - Potted electrical components and methods of making the same (1996-06-11),

9. 5515681 - Commonly housed electrostatic fuel atomizer and igniter apparatus for (1996-05-14),

10. 5510952 - Ignition system using multiple gated switches with variable discharge (1996-04-23),

11. 5508618 - Coreless detector for ignition dischage current (1996-04-16),

12. 5499497 - Temperature detector and control for an igniter (1996-03-19),

13. 5488536 - Exciter circuit using gated switches (1996-01-30),

14. 5473502 - Exciter with an output current multiplier (1995-12-05),

15. 5468161 - Semi-permanent electrical connector and backshell assembly (1995-11-21),

Company Overview

Simmonds Precision Engine Systems, Inc. is a prominent player in the aerospace and defense sectors, specializing in advanced engine control systems and precision components. The company focuses on the development and manufacturing of innovative solutions that enhance engine performance and reliability. With a strong emphasis on research and technology, Simmonds Precision is dedicated to delivering high-quality products that meet the rigorous demands of the aviation industry, contributing to safety and efficiency in flight operations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

19 Patents

#29 in Akron, OH

#738 in Ohio

#17,150 in US

#32,693 in the World

Akron, OH, United States of America

Simmonds Precision Engine Systems, Inc.

Forward Citations = 413

16 inventors:

Dennis M DeFreitas (8 out of 10 patents)

Howard V Bonavia (4 out of 6 patents)

Dale F Geislinger (4 out of 7 patents)

4. Albert Migliori (2 out of 27 patents)

5. James R Wright (2 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Simmonds Precision Engine Systems, Inc.. Retrieved from https://idiyas.com/company/simmonds-precision-engine-systems

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

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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