Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5494342 | Electropneumatic brake control system | — | 1996-02-27 |
| 5480042 | Lock and coupler for a railway ramp car having fluid and electrical couplings | — | 1996-01-02 |
| 5462394 | Latchmaster sliding pull up hitch | — | 1995-10-31 |
| 5452982 | System for positioning and supporting trailers on railcars | — | 1995-09-26 |
| 5445083 | Lock and coupler for a railway ramp car | — | 1995-08-29 |
| 5246081 | Method and apparatus for semitrailer transfer | — | 1993-09-21 |
| 5222443 | Railway ramp car | — | 1993-06-29 |
| 5112172 | Sliding pull up stanchion and method | — | 1992-05-12 |
| 5083843 | Automatic graduated/direct release valve | — | 1992-01-28 |
| 5067872 | Method for semitrailer transfer | — | 1991-11-26 |
| 4978178 | Automatic self-resetting parking brake | — | 1990-12-18 |
| 4973206 | Method and apparatus for loading and unloading semitrailers and off railroad flat cars | — | 1990-11-27 |
| 4947761 | Stub axle truck | — | 1990-08-14 |
| 4883000 | Stub axle truck | — | 1989-11-28 |
| 4874065 | Parking brake system for railway vehicles | — | 1989-10-17 |
| 4842341 | Brake pipe pressure modulating valve device | Lawrence E. Vaughn, Walter E. Rojecki | 1989-06-27 |
| 4799741 | Parking brake system for railway vehicles | — | 1989-01-24 |
| 4792269 | Container securing device | — | 1988-12-20 |
| 4776648 | Relay valve assembly | Ronald O. Newton | 1988-10-11 |
| 4775194 | Pneumatically operated graduated release valve for rail vehicles | Lawrence E. Vaughn, Ronald O. Newton | 1988-10-04 |
| 4766980 | Rail car brake apparatus | — | 1988-08-30 |
| 4746171 | Parking brake system for railway vehicles | — | 1988-05-24 |
| 4718351 | Articulated coupling for integral trains | — | 1988-01-12 |
| 4718800 | Stanchion | — | 1988-01-12 |
| 4702291 | Propulsion system for integral trains | — | 1987-10-27 |