Assignee
NAT RAILROAD PASSENGER CORP
US·18 granted patents·1 pending application·579 citations·filing 1978–2015
Top patents by PatentIndex Score
19 records- 0192US6064428AAutomated track inspection vehicle and methodNAT RAILROAD PASSENGER CORP·Filed 1996·Granted May 16, 2000·153 cites·42 claims
- 0290US6052884AConveyorized system for rebuilding tread and disc brake actuator units for use in railway carsNAT RAILROAD PASSENGER CORP·Filed 1997·Granted Apr 25, 2000·95 cites·13 claims
- 0389US6356299B1Automated track inspection vehicle and methodNAT RAILROAD PASSENGER CORP·Filed 1999·Granted Mar 12, 2002·83 cites·30 claims
- 0487US9932045B2Loading platform that mitigates gap for passengersNAT RAILROAD PASSENGER CORP·Filed 2015·Granted Apr 3, 2018·9 cites·16 claims
- 0583US4135533AVehicle cleaning systemNAT RAILROAD PASSENGER CORP·Filed 1978·Granted Jan 23, 1979·56 cites·3 claims
- 0674US6345257B1Computer based interactive defect reporting system for the paperless reporting of problems in a vehicle forming part of a fleetNAT RAILROAD PASSENGER CORP·Filed 1998·Granted Feb 5, 2002·41 cites·34 claims
- 0766US5936153AApparatus and method for testing brake actuator units used in railroad carsNAT RAILROAD PASSENGER CORP·Filed 1997·Granted Aug 10, 1999·30 cites·23 claims
- 0863US6672516B1Thick web miter rail joint system between stationary and vertically movable track sectionsNAT RAILROAD PASSENGER CORP·Filed 2001·Granted Jan 6, 2004·8 cites·10 claims
- 0962US9347183B2Tie extension bracketNAT RAILROAD PASSENGER CORP·Filed 2013·Granted May 24, 2016·1 cites·25 claims
- 1060US6901381B2Method for rolling salable inventory control and system thereforNAT RAILROAD PASSENGER CORP·Filed 2001·Granted May 31, 2005·16 cites·23 claims
- 1150US6386492B1Temporary sign holderNAT RAILROAD PASSENGER CORP·Filed 1999·Granted May 14, 2002·20 cites·20 claims
- 1249US5963631AWayside communications safety systemNAT RAILROAD PASSENGER CORP·Filed 1997·Granted Oct 5, 1999·23 cites·11 claims
- 1347US5956228AElectrical equipment caseNAT RAILROAD PASSENGER CORP·Filed 1997·Granted Sep 21, 1999·14 cites·27 claims
- 1446US4365333ATest signal generatorNAT RAILROAD PASSENGER CORP·Filed 1980·Granted Dec 21, 1982·10 cites·6 claims
- 1545US2014156318A1User interface for onboard ticket validation and collectionNAT RAILROAD PASSENGER CORP·Filed 2012·Application pending·0 cites
- 1641US6115237AElectrical equipment caseNAT RAILROAD PASSENGER CORP·Filed 1999·Granted Sep 5, 2000·10 cites·6 claims
- 1734US6592081B2Electronic code generating circuit for use in railroad signaling systemsNAT RAILROAD PASSENGER CORP·Filed 2001·Granted Jul 15, 2003·6 cites·41 claims
- 1831US4649971ACrosstie boring apparatusNAT RAILROAD PASSENGER CORP·Filed 1985·Granted Mar 17, 1987·4 cites·9 claims
- 1923USD755078SBridge plateNAT RAILROAD PASSENGER CORP·Filed 2014·Granted May 3, 2016·0 cites·1 claims
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