Inventor · disambiguated record
Andrew J. Gardner
Also filed as: GARDNER ANDREW · GARDNER ANDREW J · GARDNER ANDREW JOSEPH · GARDNER ANDREW M
30 granted patents·5 pending applications·194 citations·filing 1997–2025
96Inventor score
Files withLINEAR TECH CORP11ANALOG DEVICES INTERNATIONAL UNLIMITED CO8ANALOG DEVICES INC3LINEAR TECHN INC3GARDNER ANDREW JOSEPH2
Top patents by PatentIndex Score
35 records- 0197US7420359B1Bandgap curvature correction and post-package trim implemented therewithLINEAR TECHN INC·Filed 2006·Granted Sep 2, 2008·58 cites·19 claims
- 0296US11418369B2Minimizing DC bias voltage difference across AC-blocking capacitors in PoDL systemANALOG DEVICES INTERNATIONAL UNLIMITED CO·Filed 2020·Granted Aug 16, 2022·7 cites·20 claims
- 0393US11038490B2Active gyrator circuit in one-pair ethernet with PoDLANALOG DEVICES INTERNATIONAL UNLIMITED CO·Filed 2020·Granted Jun 15, 2021·4 cites·20 claims
- 0491US9851772B21-wire bus PD detection and classification scheme for ethernet PoDLLINEAR TECH CORP·Filed 2015·Granted Dec 26, 2017·9 cites·17 claims
- 0589US8278895B2Efficiency measuring circuit for DC-DC converter which calculates internal resistance of switching inductor based on duty cycleGARDNER ANDREW JOSEPH·Filed 2010·Granted Oct 2, 2012·17 cites·24 claims
- 0688US9967104B2Detecting ground isolation fault in ethernet PoDL systemLINEAR TECH CORP·Filed 2015·Granted May 8, 2018·4 cites·11 claims
- 0784US10382005B2Communications system using hybrid common mode choke and kelvin sensing of voltageLINEAR TECH CORP·Filed 2017·Granted Aug 13, 2019·4 cites·18 claims
- 0883US10763919B1Galvanic barrier coupler for intrinsically safe power over data line applicationsANALOG DEVICES INTERNATIONAL UNLIMITED CO·Filed 2020·Granted Sep 1, 2020·2 cites·21 claims
- 0982US11290291B2Power over data lines system with combined dc coupling and common mode termination circuitryANALOG DEVICES INTERNATIONAL UNLIMITED CO·Filed 2019·Granted Mar 29, 2022·4 cites·20 claims
- 1082US10444823B2Communications system using hybrid common mode choke and kelvin sensing of voltageLINEAR TECH CORP·Filed 2017·Granted Oct 15, 2019·4 cites·20 claims
- 1180US10090666B2Circuit architectures for protecting against PoDL wire faultsLINEAR TECH CORP·Filed 2015·Granted Oct 2, 2018·2 cites·13 claims
- 1278US9676224B2Modular magnet writing instrument and hobby toolGARDNER ANDREW·Filed 2014·Granted Jun 13, 2017·3 cites·16 claims
- 1377US10404502B2Common mode noise attenuation techniques for twisted wire pairLINEAR TECH LLC·Filed 2018·Granted Sep 3, 2019·4 cites·18 claims
- 1477US7940091B1Bootstrapped switch for sampling voltages beyond the supply voltageLINEAR TECHN INC·Filed 2009·Granted May 10, 2011·10 cites·19 claims
- 1573US10313139B2Power over data lines system with redundant power connectionsLINEAR TECH CORP·Filed 2017·Granted Jun 4, 2019·2 cites·20 claims
- 1672US6919962B2Reflectometry apparatus and methodUNIV SOUTHERN CALIFORNIA·Filed 2004·Granted Jul 19, 2005·10 cites·33 claims
- 1772US2025330126A1Staged activation of switches for symbol based envelope trackingANALOG DEVICES INC·Filed 2025·Application pending·0 cites
- 1872US2025330132A1Fault protection of symbol based envelope trackersANALOG DEVICES INC·Filed 2025·Application pending·0 cites
- 1966US10868680B2Power over ethernet using shielded single twisted wire pairANALOG DEVICES INTERNATIONAL UNLIMITED CO·Filed 2018·Granted Dec 15, 2020·1 cites·17 claims
- 2066US5839227ASafety edge for an electrically operated doorFiled 1997·Granted Nov 24, 1998·29 cites·15 claims
- 2164US9860072B2System with sleep and wake up control over DC pathLINEAR TECH CORP·Filed 2016·Granted Jan 2, 2018·1 cites·16 claims
- 2261US9780974B2Broadband power coupling/decoupling network for PoDLLINEAR TECH CORP·Filed 2015·Granted Oct 3, 2017·1 cites·8 claims
- 2360US2024405725A1Magnetic field cancellation in radio frequency power amplifier envelope trackersANALOG DEVICES INTERNATIONAL UNLIMITED CO·Filed 2024·Application pending·0 cites
- 2457US12388668B2Isolated transceiver for power over ethernetANALOG DEVICES INC·Filed 2022·Granted Aug 12, 2025·0 cites·21 claims
- 2555US6931643B2Interrupt throttling for inter-processor communicationsTEXAS INSTRUMENTS INC·Filed 2001·Granted Aug 16, 2005·4 cites·31 claims
- 2653US8143871B1Dynamically-compensated controllerGARDNER ANDREW JOSEPH·Filed 2008·Granted Mar 27, 2012·5 cites·29 claims
- 2751US8786265B2Adjustable current limit switching regulator with constant loop gainMANLOVE GREGORY J·Filed 2009·Granted Jul 22, 2014·4 cites·15 claims
- 2850US7382303B1Non-perturbing power supply margin controllerLINEAR TECHN INC·Filed 2006·Granted Jun 3, 2008·2 cites·32 claims
- 2947US11309804B2PoDL powered device with active rectifier bridge and shunting switchANALOG DEVICES INTERNATIONAL UNLIMITED CO·Filed 2020·Granted Apr 19, 2022·0 cites·20 claims
- 3046US11394315B2PoDL powered device with active rectifier bridge to obviate the need for DC-coupling inductorsANALOG DEVICES INTERNATIONAL UNLIMITED CO·Filed 2020·Granted Jul 19, 2022·0 cites·18 claims
- 3146US9853838B2PoDL system with active dV/dt and dI/dt controlLINEAR TECH CORP·Filed 2015·Granted Dec 26, 2017·0 cites·20 claims
- 3242US10547206B2Fault-tolerant power networkLINEAR TECH CORP·Filed 2017·Granted Jan 28, 2020·0 cites·19 claims
- 3337US2016261255A1Accurately detecting low current thresholdLINEAR TECH CORP·Filed 2016·Application pending·0 cites
- 3433USD752685SPenINDIEDESIGN LTD·Filed 2013·Granted Mar 29, 2016·3 cites·1 claims
- 3531US2006119514A1Radio signal direction finderPRITCHARD JOHN·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →