Inventor · disambiguated record
Raymond C. Franke
Also filed as: FRANKE RAYMOND C
16 granted patents·378 citations·filing 1977–2008
95Inventor score
Files withUNION SWITCH & SIGNAL INC12AMERICAN STANDARD INC2ANSALDO STS USA INC1WESTINGHOUSE AIR BRAKE CO1
Top patents by PatentIndex Score
16 records- 0186US5263670ACab signalling system utilizing coded track circuit signalsUNION SWITCH & SIGNAL INC·Filed 1992·Granted Nov 23, 1993·52 cites·15 claims
- 0280US6296208B1Railway switch machine point detection systemUNION SWITCH & SIGNAL INC·Filed 1999·Granted Oct 2, 2001·39 cites·25 claims
- 0380US5145131AMaster-Satellite railway track circuitUNION SWITCH & SIGNAL INC·Filed 1991·Granted Sep 8, 1992·43 cites·40 claims
- 0479US7296770B2Electronic vital relayUNION SWITCH & SIGNAL INC·Filed 2005·Granted Nov 20, 2007·16 cites·21 claims
- 0576US5459663ACab signal apparatus and methodUNION SWITCH & SIGNAL INC·Filed 1993·Granted Oct 17, 1995·36 cites·13 claims
- 0674US6484974B1Controller for switch machineUNION SWITCH & SIGNAL INC·Filed 2001·Granted Nov 26, 2002·44 cites·40 claims
- 0771US6366041B1Railway switch machine motor control apparatusUNION SWITCH & SIGNAL INC·Filed 2000·Granted Apr 2, 2002·20 cites·27 claims
- 0871US4118774ALocomotive speed control apparatusWESTINGHOUSE AIR BRAKE CO·Filed 1977·Granted Oct 3, 1978·21 cites·12 claims
- 0969US6300734B1Motor control apparatus for a railway switch machineUNION SWITCH & SIGNAL INC·Filed 2000·Granted Oct 9, 2001·18 cites·28 claims
- 1069US4723739ASynchronous rectification track circuitAMERICAN STANDARD INC·Filed 1985·Granted Feb 9, 1988·25 cites·19 claims
- 1157US6108220ASolid state fail-safe control of an AC load utilizing synchronous switchingUNION SWITCH & SIGNAL INC·Filed 1998·Granted Aug 22, 2000·19 cites·20 claims
- 1255US8348202B2Railroad switch machineANSALDO STS USA INC·Filed 2008·Granted Jan 8, 2013·2 cites·15 claims
- 1355US6494409B1Railway code following apparatusUNION SWITCH & SIGNAL INC·Filed 2002·Granted Dec 17, 2002·13 cites·21 claims
- 1455US6382567B2Railway switch machine point detection systemUNION SWITCH & SIGNAL INC·Filed 2001·Granted May 7, 2002·11 cites·21 claims
- 1553US4723738ARailway track circuit for electrified territory including impedance bonds and insulated jointsAMERICAN STANDARD INC·Filed 1986·Granted Feb 9, 1988·13 cites·10 claims
- 1638US7464904B2Method and system providing sleep and wake-up modes for railway track circuit unitUNION SWITCH & SIGNAL INC·Filed 2004·Granted Dec 16, 2008·6 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →