Inventor · disambiguated record
Barry Drager
Also filed as: DRAGER BARRY · DRAGER BARRY T
10 granted patents·1 pending application·205 citations·filing 1990–2018
90Inventor score
Top patents by PatentIndex Score
11 records- 0178US5867004ARelative angel estimation apparatus for a sensorless switched reluctance machine systemSUNDSTRAND CORP·Filed 1996·Granted Feb 2, 1999·44 cites·10 claims
- 0274US6211633B1Synchronous sampling circuit for a sensorless switching reluctance machine systemHAMILTON SUNDSTRAND CORP·Filed 1996·Granted Apr 3, 2001·35 cites·2 claims
- 0374US5689165AEstimator initialization circuit and method for a sensorless switched reluctance machine systemSUNDSTRAND CORP·Filed 1996·Granted Nov 18, 1997·35 cites·16 claims
- 0473US5844385AAbsolute angle estimation apparatus for a sensorless switched reluctance machine systemSUNDSTRAND CORP·Filed 1996·Granted Dec 1, 1998·34 cites·11 claims
- 0569US7770526B2Railcar man-way cover lift-assist systemDRACO SPRING MFG CO INC·Filed 2008·Granted Aug 10, 2010·7 cites·8 claims
- 0663US6260833B1Fail safe coil spring including mounting mechanismFiled 2000·Granted Jul 17, 2001·13 cites·19 claims
- 0761US5920175AInstantaneous position indicating apparatus for a sensorless switched reluctance machine systemSUNDSTRAND CORP·Filed 1996·Granted Jul 6, 1999·22 cites·10 claims
- 0852US5529290AApparatus for quenching coil springs to assure coolingFiled 1995·Granted Jun 25, 1996·11 cites·17 claims
- 0944US11133665B2Direct current over voltage monitoring and protectionHAMILTON SUNDSTRAND CORP·Filed 2018·Granted Sep 28, 2021·0 cites·17 claims
- 1033US2002190452A1Coil spring having non-circular coilsFiled 2002·Application pending·0 cites
- 1128US4991185AMethod of testing n-bit programmable countersSUNDSTRAND CORP·Filed 1990·Granted Feb 5, 1991·4 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →