Inventor · disambiguated record
Robert A. Marshall
Also filed as: MARSHALL ROBERT · MARSHALL ROBERT A · MARSHALL ROBERT ANDREW
43 granted patents·5 pending applications·1,375 citations·filing 1978–2020
98Inventor score
Top patents by PatentIndex Score
48 records- 0195US7509505B2Method and system for managing power delivery for power over Ethernet systemsCISCO TECH INC·Filed 2005·Granted Mar 24, 2009·97 cites·17 claims
- 0292US8936683B2Synthetic opal and photonic crystalMARSHALL ROBERT A·Filed 2005·Granted Jan 20, 2015·11 cites·15 claims
- 0392US7026730B1Integrated connector unitCISCO TECH IND·Filed 2002·Granted Apr 11, 2006·57 cites·27 claims
- 0492US4446377ALow collapse speed lube oil pumping system for turbomachineryGEN ELECTRIC·Filed 1982·Granted May 1, 1984·55 cites·16 claims
- 0592US4208652AMethod and apparatus for identifying imagesNIELSEN A C·Filed 1978·Granted Jun 17, 1980·61 cites·27 claims
- 0690US7061142B1Inline power device detectionCISCO TECH INC·Filed 2003·Granted Jun 13, 2006·43 cites·22 claims
- 0790US6561836B1System and method for coupling a communication signal to a communication deviceCISCO TECH IND·Filed 2000·Granted May 13, 2003·51 cites·39 claims
- 0890US5503891AFlexible magnet attractant display matMARFLEX INTERNATIONAL INC·Filed 1994·Granted Apr 2, 1996·177 cites·11 claims
- 0989US6790097B1System and method for preventing cable discharge eventsCISCO TECH IND·Filed 2003·Granted Sep 14, 2004·49 cites·38 claims
- 1087US4166540ADocument sorter utilizing cascaded sorting stepsNIELSEN A C·Filed 1978·Granted Sep 4, 1979·41 cites·26 claims
- 1184US6973499B1Ticketing and keying for orchestrating distribution of network contentINTERTRUST TECH CORP·Filed 2000·Granted Dec 6, 2005·45 cites·41 claims
- 1282US7085839B1Network content managementINTERTRUST TECH CORP·Filed 2000·Granted Aug 1, 2006·41 cites·21 claims
- 1378US7190091B1Selectable source input power supplyCISCO TECH INC·Filed 2003·Granted Mar 13, 2007·34 cites·12 claims
- 1476US5245533AMarketing research method and system for management of manufacturer's discount coupon offersNIELSEN A C CO·Filed 1990·Granted Sep 14, 1993·266 cites·20 claims
- 1574US7767903B2System and method for thermal to electric conversionMARSHALL ROBERT A·Filed 2004·Granted Aug 3, 2010·13 cites·13 claims
- 1674US4266154APermeable mesh current collector for DC machinesGEN ELECTRIC·Filed 1979·Granted May 5, 1981·26 cites·17 claims
- 1772US8082457B2Data communications device for communicating with and concurrently providing power to a set of powerable devicesRANDALL ANTHONY L·Filed 2008·Granted Dec 20, 2011·8 cites·4 claims
- 1872US4345753AProcess and apparatus for aligning paper documentsNIELSEN A C CO·Filed 1980·Granted Aug 24, 1982·18 cites·11 claims
- 1971US7366297B1Method and system for converting alternating current to ethernet in-line powerCISCO TECH INC·Filed 2003·Granted Apr 29, 2008·15 cites·29 claims
- 2071US7105947B1Method and system for voltage tracking and sequencing in a power supplyCISCO TECH INC·Filed 2003·Granted Sep 12, 2006·26 cites·8 claims
- 2171US6972687B1System and method for detecting a structure failureMARSHALL ROBERT A·Filed 2003·Granted Dec 6, 2005·26 cites·38 claims
- 2270US4937742AAutomated system for statistically analyzing data characteristics of shipments of coupons to identify instances of coupon shipment parametric abnormalitiesNIELSEN A C CO·Filed 1986·Granted Jun 26, 1990·34 cites·43 claims
- 2369US7257220B1Method and system for providing extended reach of a digital subscriber line signalCISCO TECH INC·Filed 2000·Granted Aug 14, 2007·15 cites·21 claims
- 2467US6879496B1Method and system for reducing electromagnetic interference emissionsCISCO TECH IND·Filed 2002·Granted Apr 12, 2005·12 cites·26 claims
- 2563US7794538B2Self-assembly method, opal, photonic band gap, and light sourceMARSHALL ROBERT A·Filed 2006·Granted Sep 14, 2010·3 cites·1 claims
- 2662US6829214B1Multi-part communications card assemblyCISCO TECH IND·Filed 2000·Granted Dec 7, 2004·5 cites·23 claims
- 2762US4805403AEngine exhaust systemFORD MOTOR CO·Filed 1987·Granted Feb 21, 1989·21 cites·8 claims
- 2860US7787386B1Method and system for self-testing a line cardCISCO TECH INC·Filed 2001·Granted Aug 31, 2010·6 cites·41 claims
- 2959US6963641B1Method and apparatus for providing variable attenuation to data signals in an XDSL frequency rangeCISCO TECH IND·Filed 2000·Granted Nov 8, 2005·6 cites·15 claims
- 3059US6707656B1Over-voltage protection against periodic disturbancesCISCO TECH IND·Filed 2000·Granted Mar 16, 2004·8 cites·17 claims
- 3157US2004054575A1System, method and apparatus for distributing and redeeming customer selected couponsFiled 2002·Application pending·0 cites
- 3256US4843697AMethod of assembling componentsFORD MOTOR CO·Filed 1987·Granted Jul 4, 1989·14 cites·4 claims
- 3356US2003204442A1Scanning and voiding method and apparatus for processing couponsFiled 2002·Application pending·0 cites
- 3455US11436899B2System and method for visualizing a carbon footprintCARBON REVEAL LLC·Filed 2019·Granted Sep 6, 2022·0 cites·20 claims
- 3555US8134285B2Shaped selective thermal emitterMARSHALL ROBERT A·Filed 2007·Granted Mar 13, 2012·1 cites·29 claims
- 3655US8003280B1System and method for holographic lithographic production of a photonic crystalMARSHALL ROBERT ANDREW·Filed 2007·Granted Aug 23, 2011·2 cites·26 claims
- 3755US4186321ACurrent collector with compliant brush containing liquid metal reservoirGEN ELECTRIC·Filed 1978·Granted Jan 29, 1980·14 cites·17 claims
- 3854US7592927B1System and method for multiplexing traffic signals and bridge collapse detectionMARSHALL ROBERT A·Filed 2005·Granted Sep 22, 2009·2 cites·20 claims
- 3951US4853882ASystem and method for protecting against redundant mailingsNIELSEN A C CO·Filed 1987·Granted Aug 1, 1989·53 cites·55 claims
- 4050US10008379B1Infrared recycling incandescent light bulbMARSHALL ROBERT A·Filed 2016·Granted Jun 26, 2018·0 cites·28 claims
- 4147US7330898B2Network content managementINTERTRUST TECH CORP·Filed 2006·Granted Feb 12, 2008·0 cites·15 claims
- 4246US7500006B2Ticketing and keying for orchestrating distribution of network contentINTERTRUST TECH CORP·Filed 2005·Granted Mar 3, 2009·0 cites·36 claims
- 4346US4241272ANovel liquid metal current collector configurationGEN ELECTRIC·Filed 1978·Granted Dec 23, 1980·9 cites·12 claims
- 4439US2005057831A1Directional heat exchangerPRACTICAL TECHNOLOGY INC·Filed 2004·Application pending·0 cites
- 4538US5115824AFiltration of tobacco using moisture free, electrically neutral hydrophobic particlesCENTER FOR APPL RES INC·Filed 1990·Granted May 26, 1992·10 cites·24 claims
- 4638US2005109386A1System and method for enhanced thermophotovoltaic generationPRACTICAL TECHNOLOGY INC·Filed 2004·Application pending·0 cites
- 4737US2007001514A1Method and System for Voltage Tracking and Sequencing in a Power SupplyCISCO TECH INC·Filed 2006·Application pending·0 cites
- 4835US11362604B2Compact, low-cost electric field millUNIV COLORADO REGENTS·Filed 2020·Granted Jun 14, 2022·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →