Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1066436 | Extrusion die plate | Sean Evelich, Stuart Leslie, Alexander Breiner | 2025-03-11 |
| D1066437 | Extrusion die plate | Sean Evelich, Stuart Leslie, Alexander Breiner | 2025-03-11 |
| 6698849 | Pneumatic pressure control device for an empty/load changeover valve on a railway car | John B. Carroll | 2004-03-02 |
| 6305756 | Short travel detector for empty/load brake control | Mark S. Krampitz | 2001-10-23 |
| RE37322 | Two-piece check valve assembly | — | 2001-08-14 |
| 6186600 | Automatic test connector adapter plate for AB pipe bracket | Lawrence J. Andrews | 2001-02-13 |
| 6170511 | Normally open purge valve | Robert G. Bostedo, Gregory L. Johnston, Robert D. Dimsa, Ralph Santoro, Jr. | 2001-01-09 |
| 6164312 | Purge valve | Robert G. Bostedo, Gregory L. Johnston, Robert D. Dimsa, Ralph Santoro, Jr. | 2000-12-26 |
| 6089268 | Dual valve fitting for enabling quick measurement of pressure | Vincent F. Troiani, Gregory L. Johnston, John B. Carroll, Gary M. Sich, Wei Li +2 more | 2000-07-18 |
| 6070854 | Dual valve fitting for enabling quick measurement of pressure | Vincent F. Troiani, Gregory L. Johnston, John B. Carroll, Gary M. Sich, Wei Li +2 more | 2000-06-06 |
| 6029700 | Dual valve fitting for enabling quick measurement of pressure | Vincent F. Troiani, Gregory L. Johnston, John B. Carroll, Gary M. Sich, Wei Li +2 more | 2000-02-29 |
| 6009902 | Dual valve fitting for enabling quick measurement of pressure | Vincent F. Troiani, Gregory L. Johnston, John B. Carroll, Gary M. Sich, Wei Li +2 more | 2000-01-04 |
| 5952566 | Dual valve apparatus for enabling quick measurement of pressure | Gregory L. Johnston, Michael J. Veltri | 1999-09-14 |
| 5869754 | Dual seal coupling apparatus for enabling quick measurement of brake cylinder pressure | Gregory L. Johnston | 1999-02-09 |
| 5869765 | Dual seal fitting for enabling quick measurement of brake cylinder pressure | Gregory L. Johnston, Michael J. Veltri | 1999-02-09 |
| 5709436 | Arrangement for connecting a test device to a railroad car brake control valve device | — | 1998-01-20 |
| 5669412 | Two-piece check valve assembly | — | 1997-09-23 |
| 5503011 | Test connector for automatic test device | James E. Hart, Gary M. Sich, Gregory L. Johnston | 1996-04-02 |
| 5489169 | Vertical broaching machine | Richard M. Brosig | 1996-02-06 |
| 5450782 | Vibration desensitizing piston wear ring for railroad car control valve | James E. Hart, Lawrence J. Andrews | 1995-09-19 |
| 5437219 | Low stress conical type diaphragm | William K. Mong, Willard P. Spalding | 1995-08-01 |
| 5220863 | Conical diaphragm and method of making | William K. Mong, Willard P. Spalding | 1993-06-22 |
| 5131667 | Hose coupling gasket | William K. Mong | 1992-07-21 |
| 4951554 | Low stress diaphragm | William K. Mong, Mark S. Krampitz, Theodore B. Hill, Willard P. Spalding | 1990-08-28 |
| 4915018 | Diaphragm piston assembly | Theodore B. Hill | 1990-04-10 |