Inventor · disambiguated record
Raymond Lippmann
Also filed as: LIPPMANN RAYMOND
35 granted patents·3 pending applications·870 citations·filing 1985–2009
98Inventor score
Files withDELCO ELECTRONICS CORP23DELPHI TECH INC7GEN MOTORS CORP3DELCO ELECTRONICS CORPORAITON2LIPPMANN RAYMOND1
Top patents by PatentIndex Score
38 records- 0198US7350954B2Display apparatusDELPHI TECH INC·Filed 2005·Granted Apr 1, 2008·68 cites·6 claims
- 0288US5695269AMulti-color display lighting by ledDELCO ELECTRONICS CORP·Filed 1996·Granted Dec 9, 1997·93 cites·12 claims
- 0387US4947410AMethod and apparatus for counting with a nonvolatile memoryGEN MOTORS CORP·Filed 1989·Granted Aug 7, 1990·46 cites·1 claims
- 0486US6741184B1Pointer position detection using light emitting diodesDELPHI TECH INC·Filed 2002·Granted May 25, 2004·28 cites·47 claims
- 0586US4586105AHigh voltage protection device with a tape covered spark gapGEN MOTORS CORP·Filed 1985·Granted Apr 29, 1986·53 cites·4 claims
- 0685US5736865ACapacitive rotary position encoderDELCO ELECTRONICS CORP·Filed 1996·Granted Apr 7, 1998·51 cites·7 claims
- 0784US7021811B2Light distribution hubDELPHI TECH INC·Filed 2003·Granted Apr 4, 2006·31 cites·57 claims
- 0879US4859912AStable brightness vacuum fluorescent displayGEN MOTORS CORP·Filed 1985·Granted Aug 22, 1989·39 cites·6 claims
- 0977US5936603ALiquid crystal display with temperature compensated voltageDELCO ELECTRONICS CORP·Filed 1996·Granted Aug 10, 1999·52 cites·8 claims
- 1077US5665897AMethod of calibrating and zeroing stepper motor gaugesDELCO ELECTRONICS CORP·Filed 1996·Granted Sep 9, 1997·36 cites·15 claims
- 1174US5941122ALiquid level sensor incorporating a capacitive rotary position encoderDELCO ELECTRONICS CORP·Filed 1997·Granted Aug 24, 1999·27 cites·6 claims
- 1272US6160596ABacklighting system for a liquid crystal display unitDELPHI TECH INC·Filed 1999·Granted Dec 12, 2000·45 cites·20 claims
- 1372US5982158ASmart IC power controlDELCO ELECTRONICS CORPORAITON·Filed 1999·Granted Nov 9, 1999·26 cites·6 claims
- 1472US5783939AStepper motor gauge calibration by AC feedbackDELCO ELECTRONICS CORP·Filed 1996·Granted Jul 21, 1998·34 cites·7 claims
- 1565US5345398AGauge gliderDELCO ELECTRONICS CORP·Filed 1992·Granted Sep 6, 1994·21 cites·18 claims
- 1662US5394344ASlew rate limiter with asymmetrical operationDELCO ELECTRONICS CORP·Filed 1992·Granted Feb 28, 1995·22 cites·43 claims
- 1760US5485740AMethod of calibration for gauging fuel in an automotive tankDELCO ELECTRONICS CORP·Filed 1994·Granted Jan 23, 1996·20 cites·6 claims
- 1857US5623277ALiquid crystal display with image storage ROMDELCO ELECTRONICS CORP·Filed 1996·Granted Apr 22, 1997·20 cites·6 claims
- 1955US5233329AFilter with hysteresis for trip point applicationsDELCO ELECTRONICS CORP·Filed 1991·Granted Aug 3, 1993·18 cites·37 claims
- 2055US4882572AElectronic range indicator for a motor vehicleDELCO ELECTRONICS CORP·Filed 1989·Granted Nov 21, 1989·13 cites·7 claims
- 2154US7350934B2Illuminated display systemDELPHI TECH INC·Filed 2005·Granted Apr 1, 2008·1 cites·17 claims
- 2252US8092061B2Pipe having light-redirecting channelsSYLVESTER GAIL M·Filed 2009·Granted Jan 10, 2012·2 cites·26 claims
- 2352US5408418AFuel wobblerDELCO ELECTRONICS CORP·Filed 1992·Granted Apr 18, 1995·15 cites·17 claims
- 2451US2004120140A1Illuminated graphics using fluorescing materialsFiled 2003·Application pending·0 cites
- 2549US6384592B1Apparatus for minimizing angular rotor position errors in an air core gaugeDELPHI TECH INC·Filed 2000·Granted May 7, 2002·4 cites·14 claims
- 2649US5752409AMethod of accurately gauging fuel in an automotive tankDELCO ELECTRONICS CORPORAITON·Filed 1994·Granted May 19, 1998·14 cites·7 claims
- 2749US5146154ACircuit with ratiometric analog inputsDELCO ELECTRONICS CORP·Filed 1991·Granted Sep 8, 1992·14 cites·6 claims
- 2849US5014051AIncreased resolution sensor circuitDELCO ELECTRONICS CORP·Filed 1989·Granted May 7, 1991·12 cites·14 claims
- 2947US5709576ALCD connector alignment with printed wiring boardDELCO ELECTRONICS CORP·Filed 1996·Granted Jan 20, 1998·14 cites·15 claims
- 3046US4970441ABrightness stabilizing control of a VF displayDELCO ELECTRONICS CORP·Filed 1989·Granted Nov 13, 1990·8 cites·9 claims
- 3144US5325314AElectronic gauge transformDELCO ELECTRONICS CORP·Filed 1992·Granted Jun 28, 1994·11 cites·15 claims
- 3241US5701330ASerial communication method and apparatusDELCO ELECTRONICS CORP·Filed 1994·Granted Dec 23, 1997·10 cites·17 claims
- 3339US2007030413A1Liquid crystal display with differently-colored localized display areasLIPPMANN RAYMOND·Filed 2005·Application pending·0 cites
- 3437US2004056995A1Apparatus and method for maximizing LCD contrastDELPHI TECH INC·Filed 2002·Application pending·0 cites
- 3536US5489842AMethod and apparatus for determining the rotational position of a magnetic rotor relative to current carrying coils utilizing magnetic coupling between coilsDELCO ELECTRONICS CORP·Filed 1993·Granted Feb 6, 1996·5 cites·9 claims
- 3636US5371500AMaintaining ratiometric data in electronically manipulated signal processing systemsDELCO ELECTRONICS CORP·Filed 1992·Granted Dec 6, 1994·6 cites·10 claims
- 3731US5736641ACapacitance decoded accelerometerDELCO ELECTRONICS CORP·Filed 1996·Granted Apr 7, 1998·3 cites·13 claims
- 3831US5698974ARobust gauge driving circuit with pulse modulated inputDELCO ELECTRONICS CORP·Filed 1995·Granted Dec 16, 1997·8 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →