Ballinger; Forrest H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ballinger; Forrest H..The latest application filed is for "system for electrically connecting conductor to track member".
- Ballinger; Forrest H. - Grain Valley MO US
| Patent | Date |
|---|---|
| Warning horn control system, radar system, and method Grant 9,019,115 - Ballinger April 28, 2 | 2015-04-28 |
| System for electrically connecting conductor to track member Grant 8,764,461 - Ballinger July 1, 2 | 2014-07-01 |
| Foreign track current suppression system and method Grant 8,376,286 - Anderson , et al. February 19, 2 | 2013-02-19 |
| System For Electrically Connecting Conductor To Track Member App 20130017737 - Ballinger; Forrest H. | 2013-01-17 |
| Warning Horn Control System, Radar System, And Method App 20120001767 - BALLINGER; Forrest H. | 2012-01-05 |
| Foreign Track Current Suppression System And Method App 20110309205 - Anderson; Larry J. ; et al. | 2011-12-22 |
| Island presence detected Grant 5,924,652 - Ballinger July 20, 1 | 1999-07-20 |
| Vital wheel detector Grant 5,628,479 - Ballinger May 13, 1 | 1997-05-13 |
| Crossing control unit Grant 4,934,633 - Ballinger , et al. June 19, 1 | 1990-06-19 |
| Processing system for grade crossing warning Grant 4,581,700 - Farnham , et al. April 8, 1 | 1986-04-08 |
| Presence Detector Having Automatic Digital Tuning Grant 3,820,100 - Ballinger , et al. June 25, 1 | 1974-06-25 |
| Elapsed Time And Terminal Speed Computer For Automotive Vehicles Grant 3,748,580 - Stevens , et al. July 24, 1 | 1973-07-24 |
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