Assignee
WESTINGHOUSE AIR BRAKE CO
US·579 granted patents·1 pending application·13,345 citations·filing 1973–2003
Top patents by PatentIndex Score
580 records- 0198US5978718ARail vision systemWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Nov 2, 1999·186 cites·21 claims
- 0298US5785392ASelectable grade and uniform net shoe force braking for railway freight vehicleWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Jul 28, 1998·113 cites·23 claims
- 0397US5995881AIntegrated cab signal rail navigation systemWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Nov 30, 1999·145 cites·28 claims
- 0496US6009902ADual valve fitting for enabling quick measurement of pressureWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Jan 4, 2000·89 cites·4 claims
- 0596US5744707ATrain brake performance monitorWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Apr 28, 1998·140 cites·18 claims
- 0696US4005838AStation stop and speed regulation system for trainsWESTINGHOUSE AIR BRAKE CO·Filed 1975·Granted Feb 1, 1977·111 cites·7 claims
- 0795US6275165B1A.A.R. compliant electronic braking systemWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Aug 14, 2001·89 cites·22 claims
- 0895US6131964ASAS fitting for tube and pipe connectionsWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Oct 17, 2000·163 cites·26 claims
- 0995US5833325AFreight brake control using train net braking ratioWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Nov 10, 1998·67 cites·6 claims
- 1095US5738416ARailway braking apparatus to effect a change in a handbrakeWESTINGHOUSE AIR BRAKE CO·Filed 1994·Granted Apr 14, 1998·47 cites·9 claims
- 1195US5720455AIntra-train radio communication systemWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Feb 24, 1998·171 cites·40 claims
- 1294US5950967AEnhanced distributed powerWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Sep 14, 1999·190 cites·21 claims
- 1394US5927822AFreight brake control using train net braking ratioWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Jul 27, 1999·59 cites·35 claims
- 1494US5748269AEnvironmentally-sealed, convectively-cooled active matrix liquid crystal display (LCD)WESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted May 5, 1998·453 cites·20 claims
- 1594US5701974ARailway hand brake apparatus with visual condition indicatorWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Dec 30, 1997·59 cites·2 claims
- 1694US5681015ARadio-based electro-pneumatic control communications systemWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Oct 28, 1997·231 cites·17 claims
- 1793US6071321AE-1 air dryer liquid separator with baffleWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Jun 6, 2000·125 cites·11 claims
- 1893US5393129AElectro-pneumatic freight brake control systemWESTINGHOUSE AIR BRAKE CO·Filed 1994·Granted Feb 28, 1995·50 cites·10 claims
- 1993US5222788AMicroprocessor based electro-pneumatic locomotive brake control system having brake assurance circuitWESTINGHOUSE AIR BRAKE CO·Filed 1991·Granted Jun 29, 1993·63 cites·15 claims
- 2093US3944986AVehicle movement control system for railroad terminalsWESTINGHOUSE AIR BRAKE CO·Filed 1974·Granted Mar 16, 1976·106 cites·12 claims
- 2192US5820226AFreight brake control for uniform car decelerationWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Oct 13, 1998·58 cites·12 claims
- 2292US5813635ATrain separation detectionWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Sep 29, 1998·82 cites·23 claims
- 2392US5740547ARail navigation systemWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Apr 14, 1998·194 cites·22 claims
- 2492US5634391AInert plastic coated flexible type diaphragm for application in a sanitary type pumpWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Jun 3, 1997·93 cites·21 claims
- 2591US6227625B1Two way field tester for EOT deviceWESTINGHOUSE AIR BRAKE CO·Filed 1999·Granted May 8, 2001·80 cites·20 claims
- 2691US5986579AMethod and apparatus for determining railcar order in a trainWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Nov 16, 1999·76 cites·30 claims
- 2791US5961698ATwin tower air dryerWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Oct 5, 1999·71 cites·4 claims
- 2891US5687633AInsert type member for use in a flexible type pump diaphragmWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Nov 18, 1997·98 cites·22 claims
- 2991US3964024ATransponder for an automatic vehicle identification systemWESTINGHOUSE AIR BRAKE CO·Filed 1974·Granted Jun 15, 1976·82 cites·10 claims
- 3090US6378668B1Spring applied parking brake assembly having a manual quick release featureWESTINGHOUSE AIR BRAKE CO·Filed 2000·Granted Apr 30, 2002·52 cites·17 claims
- 3190US6189980B1Locomotive to ECP brake conversion systemWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Feb 20, 2001·53 cites·23 claims
- 3290US5969643AMethod and apparatus for determining relative locomotive position in a train consistWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Oct 19, 1999·125 cites·18 claims
- 3390US5817934AHead of train deviceWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Oct 6, 1998·43 cites·5 claims
- 3490US5738311ADistributed power train separation detectionWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Apr 14, 1998·75 cites·8 claims
- 3590US5564794ATrain brake pipe pressure exhaust control system and regulating valve thereforWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Oct 15, 1996·52 cites·29 claims
- 3690US5069312AHandbrake for single-cylinder truck-mounted railway car brakeWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Dec 3, 1991·74 cites·18 claims
- 3790US4215767AParking brake deviceWESTINGHOUSE AIR BRAKE CO·Filed 1978·Granted Aug 5, 1980·33 cites·6 claims
- 3890US4056286ARemote control brake system for a railway trainWESTINGHOUSE AIR BRAKE CO·Filed 1976·Granted Nov 1, 1977·37 cites·20 claims
- 3989US5986577AMethod of determining car positionWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Nov 16, 1999·70 cites·20 claims
- 4089US5454399AApplication and release magnet valveWESTINGHOUSE AIR BRAKE CO·Filed 1993·Granted Oct 3, 1995·53 cites·19 claims
- 4189US4099543AVented ball type angle cockWESTINGHOUSE AIR BRAKE CO·Filed 1977·Granted Jul 11, 1978·49 cites·10 claims
- 4289US4033632AControl valve device with change-over means for direct or graduated release operationWESTINGHOUSE AIR BRAKE CO·Filed 1976·Granted Jul 5, 1977·25 cites·12 claims
- 4388US6089262ARetained seat check valveWESTINGHOUSE AIR BRAKE CO·Filed 1999·Granted Jul 18, 2000·44 cites·20 claims
- 4488US5934764AMethod for limiting brake cylinder pressure on locomotives equipped with distributive power and electronic brake systemsWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Aug 10, 1999·48 cites·13 claims
- 4588US5644461AHigh voltage d-c current limiterWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Jul 1, 1997·83 cites·13 claims
- 4688US5503467APneumatic emergency backup for electro-pneumatic freight brakeWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Apr 2, 1996·44 cites·10 claims
- 4788US5429216ADisc brake shoe assemblyWESTINGHOUSE AIR BRAKE CO·Filed 1994·Granted Jul 4, 1995·37 cites·9 claims
- 4888US4025126ABrake control valve device with movable control reservoir charging valveWESTINGHOUSE AIR BRAKE CO·Filed 1976·Granted May 24, 1977·23 cites·10 claims
- 4987US6360998B1Method and apparatus for controlling trains by determining a direction taken by a train through a railroad switchWESTINGHOUSE AIR BRAKE CO·Filed 1998·Granted Mar 26, 2002·72 cites·20 claims
- 5087US6241058B1Brake shoe with insert bonded to backing plateWESTINGHOUSE AIR BRAKE CO·Filed 1999·Granted Jun 5, 2001·41 cites·15 claims
Showing the top 50 of 580 patent records by PatentIndex Score.
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