Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5785392 | Selectable grade and uniform net shoe force braking for railway freight vehicle | — | 1998-07-28 |
| 5638276 | Microprocessor based system and method for regulating a railroad car brake pipe pressure | — | 1997-06-10 |
| 5634696 | Railway brake pipe bracket with access ports | Gary M. Sich, Gregory L. Johnston | 1997-06-03 |
| 5564794 | Train brake pipe pressure exhaust control system and regulating valve therefor | — | 1996-10-15 |
| 5524573 | Dog transportation box | — | 1996-06-11 |
| 5509727 | Ralway automatic brake control valve test unit | Edward W. Gaughan, Jeffrey D. Reid, Vincent F. Troiani | 1996-04-23 |
| 5503011 | Test connector for automatic test device | Daniel G. Scott, Gary M. Sich, Gregory L. Johnston | 1996-04-02 |
| 5501512 | System and method for automatically calibrating transducers in electro-pneumatic freight brake control systems | — | 1996-03-26 |
| 5480218 | Railway brake pipe bracket with access ports | Gary M. Sich | 1996-01-02 |
| 5466105 | Fastener assembly for installing valve devices and the like | Albert A. McKay | 1995-11-14 |
| 5450782 | Vibration desensitizing piston wear ring for railroad car control valve | Daniel G. Scott, Lawrence J. Andrews | 1995-09-19 |
| 5451099 | Railway brake pipe bracket access plate | Gary M. Sich | 1995-09-19 |
| 5429426 | Brake cylinder pressure relay valve for railroad freight car | — | 1995-07-04 |
| 5406448 | Capacitor hanger and attachment method | David W. Anderson, David W. Morrison, Richard A. Ashley, James R. Bannister, Jr., Claudus E. McNure +1 more | 1995-04-11 |
| 5333941 | High pressure valve for railway car brake control valve device | John B. Carroll | 1994-08-02 |
| 5326159 | Quick service limiting valve for freight brake control valve device | Edward W. Gaughan | 1994-07-05 |
| 5269595 | Empty/load changeover valve for railway car | Albert A. McKay | 1993-12-14 |
| 5207482 | Vent valve device having disabling means | Williard P. Spalding | 1993-05-04 |
| 5156402 | Swing training machine | — | 1992-10-20 |
| 5044698 | Freight brake control valve having lap leakage protection | Charles Weber | 1991-09-03 |
| 5005915 | Empty/load changeover valve for railway car | Albert A. McKay | 1991-04-09 |
| 4974911 | Vent valve device | — | 1990-12-04 |
| 4974910 | Freight brake control valve having improved quick service function | — | 1990-12-04 |
| 4875739 | Independent continual quick service valve device | Edward W. Gaughan | 1989-10-24 |
| 4850654 | Freight brake emergency valve | Edward W. Gaughan, Theodore B. Hill | 1989-07-25 |