Patents per Year
Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5302071 | Dust containment system for bottom dumping railroad cars | — | 1994-04-12 | |
| 5154271 | Telescopic chute | — | 1992-10-13 | |
| 4946018 | Extensible and retractable chute | Chung-Chang Lee, David A. Gadsby | 1990-08-07 | |
| 4760968 | Integrated dust containment system for rotary crusher/breakers and the like | — | 1988-08-02 | $3,109,000 |
| 4714097 | Dust containment system for bulk cargo containers | Robert S. Catan | 1987-12-22 | $2,128,000 |
| 4699187 | Dust control in hoppers | — | 1987-10-13 | $2,079,000 |
| 4655401 | Rotary car dumper with lump breaker apparatus | Samuel P. Insana, Edward Manning, Cornel Muhoray | 1987-04-07 | $2,244,000 |
| 4609321 | Rotary car dumper with dust collection system | — | 1986-09-02 | $1,823,000 |
| 4479749 | Rotary car dumper installation with integral dust collection | — | 1984-10-30 | $530,000 |