Inventor · disambiguated record
Forrest H. Ballinger
Also filed as: BALLINGER FORREST H · BALLINGER FORREST HENRY
13 granted patents·175 citations·filing 1984–2016
91Inventor score
Files withHARMON INDUSTRIES6BALLINGER FORREST H2GEN ELECTRIC2ALSTOM TRANSP TECH1BALLINGER FORREST HENRY1
Top patents by PatentIndex Score
13 records- 0180US9019115B2Warning horn control system, radar system, and methodBALLINGER FORREST H·Filed 2010·Granted Apr 28, 2015·11 cites·25 claims
- 0278US4581700AProcessing system for grade crossing warningSAB HARMON IND INC·Filed 1984·Granted Apr 8, 1986·40 cites·5 claims
- 0376US5628479AVital wheel detectorHARMON INDUSTRIES·Filed 1995·Granted May 13, 1997·40 cites·10 claims
- 0463US4934633ACrossing control unitHARMON INDUSTRIES·Filed 1988·Granted Jun 19, 1990·22 cites·10 claims
- 0559US5924652AIsland presence detectedHARMON INDUSTRIES·Filed 1997·Granted Jul 20, 1999·21 cites·15 claims
- 0655US5170970AMethod and apparatus for improving rail shuntsHARMON INDUSTRIES·Filed 1990·Granted Dec 15, 1992·17 cites·8 claims
- 0749US10292230B2System and method for controlling a wayside deviceALSTOM TRANSP TECH·Filed 2016·Granted May 14, 2019·0 cites·10 claims
- 0849US8149129B2Signal alignment monitoring system and method of assembling the sameBALLINGER FORREST HENRY·Filed 2009·Granted Apr 3, 2012·1 cites·16 claims
- 0949US7292144B2Apparatus and method for contact-less switchingGEN ELECTRIC·Filed 2004·Granted Nov 6, 2007·9 cites·27 claims
- 1041US8376286B2Foreign track current suppression system and methodGEN ELECTRIC·Filed 2010·Granted Feb 19, 2013·0 cites·14 claims
- 1140US4868538ARandom signature island circuitHARMON INDUSTRIES·Filed 1988·Granted Sep 19, 1989·10 cites·19 claims
- 1234US8764461B2System for electrically connecting conductor to track memberBALLINGER FORREST H·Filed 2011·Granted Jul 1, 2014·0 cites·15 claims
- 1332US5436787ASurge arrestor unitHARMON INDUSTRIES·Filed 1993·Granted Jul 25, 1995·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →