Inventor · disambiguated record
Jack R. Long
Also filed as: LONG JACK R
8 granted patents·1 pending application·315 citations·filing 1987–2012
89Inventor score
Files withNAT CASTINGS INC5MERIDIAN RAIL INFORMATION SYST1NACO INC1RAILWAY METRICS AND DYNAMICS SWEDEN AB1
Top patents by PatentIndex Score
9 records- 0192US6142081APedestal rocker seat for providing passive axle steering to a rigid railway truckNACO INC·Filed 1998·Granted Nov 7, 2000·103 cites·17 claims
- 0290US5027716AStabilized swing-motion truck for railway carsNAT CASTINGS INC·Filed 1989·Granted Jul 2, 1991·62 cites·41 claims
- 0387US5463964ARocker seat connectionNAT CASTINGS INC·Filed 1994·Granted Nov 7, 1995·61 cites·21 claims
- 0480US9395276B2Method and system for detection and analysis of railway bogie operational problemsRAILWAY METRICS AND DYNAMICS SWEDEN AB·Filed 2012·Granted Jul 19, 2016·9 cites·16 claims
- 0574US5139161AAutomatic actuator for coupler knuckle-assembly of a railway passenger carNAT CASTINGS INC·Filed 1991·Granted Aug 18, 1992·37 cites·16 claims
- 0665US5507400ASlackless drawbar or coupler with swivel mountingNAT CASTINGS INC·Filed 1994·Granted Apr 16, 1996·27 cites·20 claims
- 0752US4744308ACombined center plate/center filler for railway freight carsNAT CASTINGS INC·Filed 1987·Granted May 17, 1988·16 cites·10 claims
- 0841US2002144624A1Three-piece railway truck frame having a selectively removable bolsterFiled 2002·Application pending·0 cites
- 0939US6422154B1Three-piece railway truck frame having a selectively removable bolsterMERIDIAN RAIL INFORMATION SYST·Filed 2000·Granted Jul 23, 2002·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →