Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697584 | Railroad searchlight signal with solid state illuminant and aspect indication | — | 1997-12-16 |
| 5664744 | Railway highway crossing signal | Santo A. DeFrancesco, Richard S. Jones | 1997-09-09 |
| 5639047 | Railroad signal with remote light source | Paul J. Boget | 1997-06-17 |
| 5598992 | Railway switch circuit controller | — | 1997-02-04 |
| 5507567 | System for initiating rear braking in a railway train and air sensor for use with the same | — | 1996-04-16 |
| 5467654 | Method and apparatus for determining the operating speed of a rail vehicle | Robert E. Hamilton | 1995-11-21 |
| 5460435 | System for initiating rear braking in a railway train and air sensor for use with the same | — | 1995-10-24 |
| 5234184 | Locomotive axle mounted cab signaling sensor | — | 1993-08-10 |
| 4997161 | Fuel control system throttle valve unit therefor and methods of making the same | Donald W. Hutchison, Steven A. Kimmel, Raymond J. Bonkovich, David Rath | 1991-03-05 |
| 4921210 | Fuel control system, throttle valve unit therefor and methods of making the same | Donald W. Hutchison, Steven A. Kimmel, Raymond J. Bonkovich, David Rath | 1990-05-01 |
| 4763875 | Pneumatic coupling having a latching mechanism and a bleed-off valve for attachment to an air brake hose | — | 1988-08-16 |
| 4753403 | Railroad track mounting arrangement | — | 1988-06-28 |
| 4700278 | Molded plastic bracket for lamp receptacle | — | 1987-10-13 |
| 4665858 | Mounting bracket for railway vehicle couplers | Ronald E. Harrigal | 1987-05-19 |