Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550394 | Retractable auxiliary bumper for hydraulic or pneumatic railway suspensions | — | 2003-04-22 |
| 6543367 | Lightweight truck sideframe | Todd W. Stecker, Roger D. Boster, II | 2003-04-08 |
| 6405657 | Railway truck with equalizer beam mounted disc brake caliper | — | 2002-06-18 |
| 6089165 | Railway truck with underslung equilizer beams | Roger F. Sanzo, William C. Jones, Jr., Todd A. Porter | 2000-07-18 |
| 6079335 | Unsprung third rail collector beam support for a swing arm primary suspension railway truck | — | 2000-06-27 |
| 5992330 | Railway vehicle suspension aligned truck | Kim T. Gilbert, Todd A. Porter | 1999-11-30 |
| 5947031 | Railway truck leveling valve arrangement for closer overall height control | — | 1999-09-07 |
| 5462139 | Cast bolt-on mounting bracket for supporting a disc brake on a railcar truck | William C. Jones, Jr., Roger F. Sanzo | 1995-10-31 |
| 5456187 | Railroad truck axle assembly retention mechanism | Anthony L. Richkas | 1995-10-10 |
| 4851617 | Device for mounting third rail engaging equipment on railway trucks | Dallas L. Schmitt | 1989-07-25 |
| 4771529 | Apparatus for tramming railway trucks | Keith L. Jackson, Dallas L. Schmitt | 1988-09-20 |
| 4760799 | Lightweight railway vehicle truck | Keith L. Jackson, Dallas L. Schmitt | 1988-08-02 |
| 4546706 | Equipment mounting structure for inside bearing railway car trucks | Keith L. Jackson, Eugene L. Benner, James J. Wickman | 1985-10-15 |
| 4466356 | Full diameter head shield construction for railway tank car | Robert C. Messersmith | 1984-08-21 |
| 4422473 | Tank ball valve having depending sleeve and handle attached to the sleeve | — | 1983-12-27 |
| 4394002 | Mounting flange for wafersphere bottom outlet valve | — | 1983-07-19 |
| 4223612 | Lifting device for railway tank car | — | 1980-09-23 |
| 4219047 | Telescoping eduction pipe assembly with elastomeric boot | — | 1980-08-26 |