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For the Inventor, By the Inventor

Blue Springs, MO, United States of America

Harmon Industries, Inc.

Calculating rank
USPTO Granted Patents = 21

% Expired Patents = 4.8

Forward Citations = 478

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21 inventors (with patents filed for the assignee):

goldMedal Forrest Henry Ballinger (6 out of 13 patents)

silverMedal Randall S Mecca (3 out of 3 patents)

bronzeMedal Robert E Heggestad (3 out of 3 patents)

4.  Samuel R Mollet (2 out of 2 patents)

5.  Jeffery J Utterback (2 out of 2 patents)

6.  James R Trickett (1 out of 5 patents)

7.  Mark P Orlassino (1 out of 11 patents)

8.  Donald B Schaefer, Jr (1 out of 3 patents)

9.  Irwin Weitman (1 out of 5 patents)

10.  John Hayward Johnson (1 out of 3 patents)

11.  Lee A McConnel (1 out of 2 patents)

12.  David J Wade (1 out of 1 patent)

13.  Wilfred L Farnham (1 out of 2 patents)

14.  William G Schneider (1 out of 1 patent)

15.  Jeffrey J Utterback (1 out of 1 patent)


21 patents:

1. 7152733 - Spring-loaded folding grill cover device (2006-12-26),
2. 6392553 - Signal interface module (2002-05-21),
3. 6064315 - Zero speed transducer (2000-05-16),
4. 5924652 - Island presence detected (1999-07-20),
5. 5769364 - Coded track circuit with diagnostic capability (1998-06-23),
6. 5628479 - Vital wheel detector (1997-05-13),
7. 5628478 - Cab signal pickup system with motor noise reduction (1997-05-13),
8. 5586736 - Cab signal sensor with noise suppression (1996-12-24),
9. 5533695 - Incremental train control system (1996-07-09),
10. 5507434 - Clamp mount for concrete ties (1996-04-16),
11. 5452870 - Fixed data transmission system for controlling train movement (1995-09-26),
12. 5436787 - Surge arrestor unit (1995-07-25),
13. 5340062 - Train control system integrating dynamic and fixed data (1994-08-23),
14. 5170970 - Method and apparatus for improving rail shunts (1992-12-15),
15. 5149025 - Detection of overheated railroad wheel and axle components (1992-09-22),
Company Overview
Harmon Industries, Inc. is a technology-driven company based in Blue Springs, Missouri, specializing in the development and manufacturing of advanced solutions for the transportation and logistics sectors. The organization focuses on innovative systems that enhance operational efficiency and safety, particularly in the areas of vehicle tracking, fleet management, and automated solutions. With a commitment to research and development, Harmon Industries aims to deliver cutting-edge technology that meets the evolving needs of its clients in a dynamic market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

21 Patents

#2 in Blue Springs, MO

#225 in Missouri

#15,712 in US

#30,001 in the World

Blue Springs, MO (US)
Blue Springs, MO, United States of America

Harmon Industries, Inc.

Forward Citations = 478

21 inventors:

goldMedal Forrest Henry Ballinger (6 out of 13 patents)

silverMedal Randall S Mecca (3 out of 3 patents)

bronzeMedal Robert E Heggestad (3 out of 3 patents)

4.  Samuel R Mollet (2 out of 2 patents)

5.  Jeffery J Utterback (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Harmon Industries, Inc.. Retrieved from https://idiyas.com/company/harmon-industries

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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