Patents per Year
Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106245 | Wheel chocks for use on vehicle transport carriers | James C. Pankow | 1992-04-21 |
| 5005739 | Railroad hopper car outlet gate end tube seal | James C. Pankow | 1991-04-09 |
| 4974999 | Lock for a railroad hopper car outlet gate end tube assembly | James C. Pankow | 1990-12-04 |
| 4975000 | Railroad hopper car outlet gate end tube assemblies | James C. Pankow | 1990-12-04 |
| 4973067 | Hopper car discharge gate seal | — | 1990-11-27 |
| 4867615 | Hopper car discharge gate | — | 1989-09-19 |
| 4543889 | Hatch cover seal assembly | — | 1985-10-01 |
| 4450773 | Sliding gate for a railroad hopper car | Ronald J. McComb | 1984-05-29 |
| 4429921 | Sliding bearing and seal | Thomas C. Soddy | 1984-02-07 |
| 4344365 | Railway hopper car gate anti-friction seal | Thomas C. Soddy | 1982-08-17 |
| 4324188 | Hopper discharge outlet and method | — | 1982-04-13 |