Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466558 | Aerator control arrangement | Richard H. Dugge | 1984-08-21 |
| 4323096 | Combination vacuum relief valve and pressure relief valve which are protected from the atmosphere | Richard H. Dugge | 1982-04-06 |
| 4234158 | Combination tank car valve skid and valve seat wherein the skid is welded to the valve seat | Gunter R. Behle, Charles E. Reedy | 1980-11-18 |
| 4234159 | Combination tank car valve skid and valve seat in which end portions on the skid are attached to the tank with fasteners which do not require stress relieving of the tank | Gunter R. Behle, Charles E. Reedy | 1980-11-18 |
| 4206709 | Hopper car for liquid unit-train service | Steven L. Jantzen | 1980-06-10 |
| 4184663 | Combination tank car valve skid and valve seat | Gunter R. Behle, Charles E. Reedy | 1980-01-22 |