Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513199 | Railway truck pedestal bearing adapter | — | 2009-04-07 |
| 7389731 | Non-metallic insert for rail car bolster wedge | John W. Rudibaugh | 2008-06-24 |
| 7308855 | Railway truck pedestal bearing adapter | — | 2007-12-18 |
| 6550398 | Chafing reduction device for a center beam railway car | James Stephen Clark | 2003-04-22 |
| 5943961 | Split wedge bolster pocket insert | John W. Rudibaugh | 1999-08-31 |
| 5799582 | Bearing adapter and adapter pad for railway trucks | John W. Rudibaugh | 1998-09-01 |
| 5722327 | Device for improving warp stiffness of a railcar truck | V. Terrey Hawthorne, Charles P. Spencer, Terry L. Pitchford | 1998-03-03 |
| 5575222 | Telescoping bridge plate for autorack railroad cars | Robert J. Sauer, John W. Rudibaugh | 1996-11-19 |
| 5562045 | Bearing adapter and adapter pad for railway trucks | John W. Rudibaugh | 1996-10-08 |
| 5490464 | Plug assemblies and methods for plugging holes in railroad autorack cars | John W. Rudibaugh | 1996-02-13 |
| 5443015 | Center bowl wear liners for railroad cars with varying hardness values | John W. Rudibaugh | 1995-08-22 |
| 5404826 | Bearing adapter for railway trucks having downward depending ends on adapter plate for protecting the adapter thrust lugs | John W. Rudibaugh | 1995-04-11 |
| 4312607 | Pellet gate for pneumatic discharge hopper car | — | 1982-01-26 |
| 4304338 | Center-of-car cushioning device with gas return | Ross G. Carle | 1981-12-08 |
| 4224879 | Railway hopper car door latch | — | 1980-09-30 |