Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11465657 | Twenty-foot double stack well car | Jerry W. Vande Sande | 2022-10-11 |
| 6704991 | Method for forming a railway car with improved crosstie connections | Don Nguyen, Stephen W. Smith | 2004-03-16 |
| 6371033 | High capacity integrated railway car truck | Stephen W. Smith, V. Terrey Hawthorne, Samuel R. Williams, C. Dale Christie, John D. Oliver +1 more | 2002-04-16 |
| 6302031 | Sidewall for a railway car | Stephen W. Smith | 2001-10-16 |
| 6189456 | High capacity axle for railway freight cars | Stephen W. Smith | 2001-02-20 |
| 6138581 | Railway gondola car | Stephen W. Smith | 2000-10-31 |
| 6092472 | Composite box structure for a railway car | Mell R. Thoman | 2000-07-25 |
| 6000342 | Railway car underframe for an insulated composite boxcar | Mell R. Thoman | 1999-12-14 |
| 5890435 | Insulated composite railway boxcar and method | Mell R. Thoman | 1999-04-06 |
| 5857414 | Composite box structure for a railway car | Mell R. Thoman | 1999-01-12 |
| 5855174 | Railway car underframe for an insulated railway boxcar | Mell R. Thoman | 1999-01-05 |
| 5802984 | Load divider assembly and door assembly for a composite railway boxcar | Mell R. Thoman | 1998-09-08 |
| 5765485 | Insulated composite railway boxcar and method | Mell R. Thoman | 1998-06-16 |
| D317277 | End segment of a railway car | John A. Krug | 1991-06-04 |
| 4944233 | Hatch arrangement for covered hopper cars | Richard H. Dugge | 1990-07-31 |
| 4922833 | End structure for railway car | John A. Krug | 1990-05-08 |
| 4875417 | End structure for railway car | John A. Krug | 1989-10-24 |
| 4646653 | Corner fitting for open top railroad car | Philip A. Balbi | 1987-03-03 |