Top Inventors at Union Tank Car All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Gary C. Walter | 8 |
| 2 | Peter J. Douglas | 5 |
| 3 | Robert S. Toms | 5 |
| #4 | Greg Cieslak | 4 |
| #5 | Jay Lloyd | 4 |
| #6 | John A. Kolb | 4 |
| #7 | Neil Finn | 4 |
| #8 | James D. Parsons | 3 |
| #9 | Thomas H. Dalrymple | 3 |
| #10 | Daniel R. Green | 2 |
| #11 | Dan Schmidt | 2 |
| #12 | Nicholas Thompson | 2 |
| #13 | Paul Steven Wike | 2 |
| #14 | Spencer Dale Johnson | 2 |
| #15 | Blaise A. Horban | 1 |
| #16 | Buford Randall Jean | 1 |
| #17 | Carl L. Carney | 1 |
| #18 | Carl S. Hybinette | 1 |
| #19 | Frederick Lynn Whitehead | 1 |
| #20 | James Shirvinski | 1 |
| #21 | Jeremy DeLacerda | 1 |
| #22 | John V. Carleton | 1 |
| #23 | John T. Keyes | 1 |
| #24 | Joe Perez | 1 |
| #25 | Jonathan O. Schultz | 1 |
| #26 | Keith Peltason | 1 |
| #27 | Nathan Chilton | 1 |
| #28 | Philip James Daum | 1 |
| #29 | Tom L. Erb | 1 |
| #30 | Lawrence J. Schlink | 1 |
| #31 | Richard L. Zagrocki | 1 |
| #32 | Walter T. Croson | 1 |
| #33 | Nick Nenadic | 1 |
| #34 | Alan N. Henzi | 1 |