Inventor · disambiguated record
David L. Richardson
Also filed as: RICHARDSON DAVID L · RICHARDSON DAVID LIVINGSTONE
20 granted patents·1 pending application·1,377 citations·filing 1974–2024
97Inventor score
Files withNORTHROP GRUMMAN CORP12PROCTER & GAMBLE4ASLAN MEDICAL TECHNOLOGIES1OAK INDUSTRIES INC1ORBIT FAB INC1
Top patents by PatentIndex Score
21 records- 0196US4529534APeroxyacid bleach compositionsPROCTER & GAMBLE·Filed 1982·Granted Jul 16, 1985·126 cites·11 claims
- 0296US4268738AMicrowave energy moderatorPROCTER & GAMBLE·Filed 1977·Granted May 19, 1981·122 cites·24 claims
- 0396US4115292AEnzyme-containing detergent articlesPROCTER & GAMBLE·Filed 1977·Granted Sep 19, 1978·193 cites·34 claims
- 0495US6313620B1Detector system for identifying the frequency of a received signal useful in a channelized receiverNORTHROP GRUMMAN CORP·Filed 1995·Granted Nov 6, 2001·183 cites·9 claims
- 0594US4454543ADynamic video scramblingOAK INDUSTRIES INC·Filed 1981·Granted Jun 12, 1984·112 cites·4 claims
- 0687US4102823ALow and non-phosphate detergent compositionsPROCTER & GAMBLE·Filed 1974·Granted Jul 25, 1978·40 cites·14 claims
- 0785US6882274B2Energy conserving satellite tracking tagNORTHROP GRUMMAN CORP·Filed 2001·Granted Apr 19, 2005·91 cites·41 claims
- 0885US6329944B1Tag communication protocol & systemNORTHROP GRUMMAN CORP·Filed 2000·Granted Dec 11, 2001·68 cites·21 claims
- 0975US6297734B1Randomization of transmit timeNORTHROP GRUMMAN CORP·Filed 1999·Granted Oct 2, 2001·70 cites·16 claims
- 1073US5828333AMultiple access diplex doppler radarNORTHROP GRUMMAN CORP·Filed 1997·Granted Oct 27, 1998·80 cites·24 claims
- 1171US5861837APoly-frequency CW doppler radar system with leakage cancellation and methodNORTHROP GRUMMAN CORP·Filed 1997·Granted Jan 19, 1999·69 cites·11 claims
- 1267US6791489B1Radio tag for LFM radarNORTHROP GRUMMAN CORP·Filed 2001·Granted Sep 14, 2004·30 cites·26 claims
- 1364US6246729B1Method and apparatus for decoding a phase encoded data signalNORTHROP GRUMMAN CORP·Filed 1998·Granted Jun 12, 2001·51 cites·38 claims
- 1457US2025319995A1Passive fiducial markers and associated systems and methodsORBIT FAB INC·Filed 2024·Application pending·0 cites
- 1553US6052421AMethod for separating a desired signal from an interfering signalNORTHROP GRUMMAN CORP·Filed 1998·Granted Apr 18, 2000·36 cites·19 claims
- 1649US5714947AVehicle collision avoidance systemNORTHROP GRUMMAN CORP·Filed 1997·Granted Feb 3, 1998·32 cites·15 claims
- 1743US5188173APressure control system and cable guiding device for use in drilling wellsSCHLUMBERGER TECHNOLOGY CORP·Filed 1991·Granted Feb 23, 1993·23 cites·15 claims
- 1842US5574360ASimultaneous signal detectorNORTHROP GRUMMAN CORP·Filed 1995·Granted Nov 12, 1996·10 cites·17 claims
- 1939US5922007AEndoscopic surgical instrument with ratchet locking deviceASLAN MEDICAL TECHNOLOGIES·Filed 1998·Granted Jul 13, 1999·30 cites·8 claims
- 2037US5530451ARepeater with low spurious time outputsNORTHROP GRUMMAN CORP·Filed 1994·Granted Jun 25, 1996·8 cites·22 claims
- 2137USD320416SGameboardRICHARDSON DAVID L·Filed 1988·Granted Oct 1, 1991·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →