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For the Inventor, By the Inventor

St. Charles, IL, United States of America

Francis C Peterson

This inventor holds 51 USPTO granted patents, primarily in Fastener Technology (CPC class 4111). Top assignees: Illinois Tool Works Inc., Buell Industries, Inc., Buell Industrial, Inc.. Active years: 1981-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis C Peterson. Retrieved from https://idiyas.com/inventor/francis-c-peterson

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

USPTO Granted Patents = 51

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 21

Forward Citations = 1,151(Granted Patents)

Forward Citations (Not Self Cited) = 1,138(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • St. Charles, IL (US) (1981 - 1989)
  • Woodbury, CT (US) (1985 - 1992)

Company Filing History:

goldMedal27 out of 7,876 
 
Illinois Tool Works Inc.
 patents
silverMedal22 out of 31 
 
Buell Industries, Inc.
 patents
bronzeMedal1 out of 1 
 
Buell Industrial, Inc.
 patent
4. 1 out of 834,513 
Other
 patents

Years Active: 1981-1992

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Areas of Expertise:
Fastener
Shock Isolating Mount
Anti-Cross Threading
Fluid Coupling
Self-Mounting Fastener
Cage Nut
Crash Sensor Switch
Friction Welding
Thread Masking
Fastening Assembly
Printed Circuit Board Fastener
Locking Element
51 patents (USPTO):Explore Patents
1. 5096350 - Cage nut (1992-03-17),
2. 5032696 - Crash sensor switch (1991-07-16),
3. 5022804 - Self-mounting fastener (1991-06-11),
4. 4998759 - Door striker assembly (1991-03-12),
5. 4982596 - Die for manufacturing a fastener blank (1991-01-08),
6. 4966398 - Fluid conduit coupling (1990-10-30),
7. 4963064 - Fabric fastener (1990-10-16),
8. 4921203 - Spring element for a shock isolating mount (1990-05-01),
9. 4915560 - Anti-cross threading fastener (1990-04-10),
10. 4909688 - Mounting part, fastener (1990-03-20),
11. 4907930 - Anti cross thread nut (1990-03-13),
12. 4897005 - Gutted U-nut (1990-01-30),
13. 4875816 - Caged fastener (1989-10-24),
14. 4866990 - Threaded fastener test stand (1989-09-19),
15. 4856954 - Method of thread masking and thread masked part (1989-08-15),

Title: **Francis C. Peterson: Innovator and Inventor from St. Charles, IL**

Introduction

Francis C. Peterson is a renowned inventor based in St. Charles, Illinois, recognized for his significant contributions to the field of engineering and innovation. With an impressive portfolio of 51 patents, he has made a lasting impact through his inventive solutions.

Latest Patents

Among Peterson's latest patents are groundbreaking inventions such as the "Cage Nut" and a "Crash Sensor Switch." The Cage Nut is designed to minimize problems during paint welding, consisting of a body featuring a threaded bore and an encaging mechanism, along with a uniquely shaped separating member that typically takes the form of an uneven shim. This innovative design includes an embodiment where the shim is equipped with four detents extending towards the body. His Crash Sensor Switch patent features a plunger held in floating suspension by resilient springs, capable of shifting from a non-operative position to an operative position under crash forces that exceed the magnetic bias force. In one implementation, the switch closes to operate a connected safety device when current flows through a conductive zone on the plunger.

Career Highlights

Throughout his career, Francis C. Peterson has lent his expertise to several esteemed companies, including Illinois Tool Works Inc. and Buell Industries, Inc. His work has been pivotal in advancing various technologies and enhancing product safety and performance within these organizations.

Collaborations

Peterson's innovative journey has also included collaborations with notable individuals such as Richard J. Ernst and Robert J. Despins. These partnerships have fostered an environment of creativity and have resulted in the development of cutting-edge technologies and solutions.

Conclusion

Francis C. Peterson stands out as a prolific inventor whose dedication to innovation is evident in his numerous patents and professional accomplishments. His inventive spirit continues to influence the fields he has worked in, solidifying his legacy as a remarkable figure in the world of engineering and invention.

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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