Patents per Year
Top Inventors at Harmon Industries All Time
Showing 1–18 of 18 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Forrest H. Ballinger | 6 |
| 2 | Randall S. Mecca | 3 |
| 2 | Robert E. Heggestad | 3 |
| #4 | Jeffery J. Utterback | 2 |
| #4 | Samuel Robert Mollet | 2 |
| #6 | David J. Wade | 1 |
| #6 | Donald B. Schaefer, Jr. | 1 |
| #6 | Irwin Weitman | 1 |
| #6 | James R. Trickett | 1 |
| #6 | Jeffrey J. Utterback | 1 |
| #6 | Joseph Cipollone | 1 |
| #6 | John H. Johnson | 1 |
| #6 | Lee A. McConnel | 1 |
| #6 | Maurice H. Kohne | 1 |
| #6 | Mark Orlassino | 1 |
| #6 | Merrill W. Chambers | 1 |
| #6 | Wilfred L. Farnham | 1 |
| #6 | William G. Schneider | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Island presence detected | $3M | 1999 |
| Zero speed transducer | $3M | 2000 |
| Coded track circuit with diagnostic capability | $2M | 1998 |
| Incremental train control system | $2M | 1996 |
| Clamp mount for concrete ties | $2M | 1996 |