For the Inventor, By the Inventor

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Blue Springs, MO, United States of America

Harmon Industries, Inc.

USPTO Granted Patents = 21

% Expired Patents = 4.8

Forward Citations = 478

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21 inventors (with patents filed for the assignee):

Forrest Henry Ballinger (6 out of 13 patents)

Randall S Mecca (3 out of 3 patents)

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: Sort by Forward Citations

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),

Harmon Industries, Inc. is a leading manufacturer of electrical components for industrial applications. With over 50 years of experience, we provide high-quality products such as transformers, switchgear, and power distribution equipment. Our commitment to innovation and customer satisfaction sets us apart in the industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

21 Patents

#2 in Blue Springs, MO

#225 in Missouri

#15,652 in US

#29,854 in the World

Blue Springs, MO, United States of America

Harmon Industries, Inc.

Forward Citations = 478

21 inventors:

Forrest Henry Ballinger (6 out of 13 patents)

Randall S Mecca (3 out of 3 patents)

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)

Please report any incorrect information to [email protected]

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