Inventor · disambiguated record
Geoffrey Alan Long
Also filed as: LONG GEOFFREY A · LONG GEOFFREY A D · LONG GEOFFREY ALAN
62 granted patents·6 pending applications·717 citations·filing 1981–2025
98Inventor score
Top patents by PatentIndex Score
68 records- 0198US6512345B2Apparatus for obstacle traversionUNIV MICHIGAN·Filed 2001·Granted Jan 28, 2003·185 cites·31 claims
- 0297US10259563B2Combined fan and motorKITTY HAWK CORP·Filed 2017·Granted Apr 16, 2019·24 cites·19 claims
- 0397US10122227B1Skewed halbach array rotorKITTY HAWK CORP·Filed 2017·Granted Nov 6, 2018·16 cites·11 claims
- 0497US9898033B1Magnetic spring inceptorKITTY HAWK CORP·Filed 2016·Granted Feb 20, 2018·58 cites·9 claims
- 0597US9783288B1Lift fan position lock mechanismKITTY HAWK CORP·Filed 2016·Granted Oct 10, 2017·47 cites·19 claims
- 0697US9764833B1Ventilated rotor mounting boom for personal aircraftKITTY HAWK CORP·Filed 2016·Granted Sep 19, 2017·93 cites·19 claims
- 0796US12017764B2VTOL aircraft fan tilting mechanisms and arrangementsWISK AERO LLC·Filed 2021·Granted Jun 25, 2024·5 cites·21 claims
- 0895US10574110B2Lightweight and efficient electrical machine and method of manufactureLAUNCHPOINT TECH INC·Filed 2016·Granted Feb 25, 2020·23 cites·10 claims
- 0995US10350960B1Coupled battery and motor controller thermal management systemKITTY HAWK CORP·Filed 2017·Granted Jul 16, 2019·15 cites·18 claims
- 1094US10583912B2Combined fan and motorWISK AERO LLC·Filed 2019·Granted Mar 10, 2020·11 cites·20 claims
- 1194US10150560B2Ventilated rotor mounting boom for personal aircraftKITTY HAWK CORP·Filed 2017·Granted Dec 11, 2018·12 cites·17 claims
- 1293US11845532B1Propeller ground stop mechanismWISK AERO LLC·Filed 2021·Granted Dec 19, 2023·4 cites·20 claims
- 1393US10608505B1Cooling motor controller with a motor with ductWISK AERO LLC·Filed 2018·Granted Mar 31, 2020·23 cites·20 claims
- 1493US10418868B1Modular motor assemblyKITTY HAWK CORP·Filed 2018·Granted Sep 17, 2019·7 cites·15 claims
- 1592US11239841B1Diode fault detectionWISK AERO LLC·Filed 2021·Granted Feb 1, 2022·3 cites·21 claims
- 1692US9540103B2Passive deployment mechanism for lift fanKITTY HAWK CORP·Filed 2014·Granted Jan 10, 2017·17 cites·27 claims
- 1791US11016140B1Battery diode fault monitoringWISK AERO LLC·Filed 2018·Granted May 25, 2021·4 cites·17 claims
- 1891US10036654B1Fault tolerant servo sensor with linear hall sensors and discrete hall sensorsKITTY HAWK CORP·Filed 2017·Granted Jul 31, 2018·4 cites·24 claims
- 1991US9115774B2Centrifugal de-clutchZEE AERO INC·Filed 2013·Granted Aug 25, 2015·7 cites·12 claims
- 2090US11794607B2Redundant power distribution circuits including DC/DC convertersWISK AERO LLC·Filed 2021·Granted Oct 24, 2023·4 cites·21 claims
- 2190US11671096B1Diode fault detectionWISK AERO LLC·Filed 2021·Granted Jun 6, 2023·2 cites·20 claims
- 2289US11975830B2Aircraft with pusher propellerWISK AERO LLC·Filed 2021·Granted May 7, 2024·2 cites·20 claims
- 2389USD678169SAircraftKENNELLY BRENDAN·Filed 2011·Granted Mar 19, 2013·59 cites·1 claims
- 2488US12313668B1Battery diode fault monitoringWISK AERO LLC·Filed 2024·Granted May 27, 2025·0 cites·17 claims
- 2588US10586639B2Array of three pole magnetsWISK AERO LLC·Filed 2017·Granted Mar 10, 2020·3 cites·15 claims
- 2687US12157555B1Propeller ground stop mechanismWISK AERO LLC·Filed 2023·Granted Dec 3, 2024·1 cites·20 claims
- 2787US10744890B2Electric vehicle power distribution systemWISK AERO LLC·Filed 2018·Granted Aug 18, 2020·5 cites·20 claims
- 2886US10859401B2Fault tolerant servo sensor with linear hall sensors and discrete hall sensorsWISK AERO LLC·Filed 2018·Granted Dec 8, 2020·2 cites·22 claims
- 2986US9284962B2Variable geometry lift fan mechanismZEE AERO INC·Filed 2013·Granted Mar 15, 2016·14 cites·21 claims
- 3084US11069464B2Method and assembly for producing a magnetWISK AERO LLC·Filed 2020·Granted Jul 20, 2021·1 cites·20 claims
- 3184US10023054B2Electric vehicle power distribution systemKITTY HAWK CORP·Filed 2016·Granted Jul 17, 2018·4 cites·13 claims
- 3283US11953540B1Battery diode fault monitoringWISK AERO LLC·Filed 2021·Granted Apr 9, 2024·1 cites·20 claims
- 3382US10634710B1Ground network monitoring systemWISK AERO LLC·Filed 2018·Granted Apr 28, 2020·2 cites·21 claims
- 3481US11159074B1Cooling motor controller with a motor including wedge-shaped heat sinksWISK AERO LLC·Filed 2020·Granted Oct 26, 2021·2 cites·20 claims
- 3580US12509216B1Aerodynamic rotor blade configurationsWISK AERO LLC·Filed 2024·Granted Dec 30, 2025·0 cites·20 claims
- 3680US12351293B1Propeller ground stop mechanismWISK AERO LLC·Filed 2024·Granted Jul 8, 2025·0 cites·20 claims
- 3780US12291126B2Electrically powered vehicles with redundant power distribution circuitsWISK AERO LLC·Filed 2023·Granted May 6, 2025·0 cites·18 claims
- 3880US12038497B1Reflector installations for radar-based navigationWISK AERO LLC·Filed 2021·Granted Jul 16, 2024·1 cites·20 claims
- 3979US8853906B2Optical element switching system using a Halbach arrayHARRELL JOHN P·Filed 2010·Granted Oct 7, 2014·6 cites·20 claims
- 4079US2025051034A1Compact vertiport with efficient space utilizationWISK AERO LLC·Filed 2024·Application pending·0 cites
- 4179US2025051033A1Compact vertiport with efficient space utilizationWISK AERO LLC·Filed 2024·Application pending·0 cites
- 4278US8799300B2Bookmarking segments of contentSARETTO CESARE J·Filed 2011·Granted Aug 5, 2014·6 cites·17 claims
- 4376US2025222826A1Electrically powered vehicles with redundant power distribution circuitsWISK AERO LLC·Filed 2025·Application pending·0 cites
- 4475US11289962B2Method of rotor production including co-curing and magnetization in placeWISK AERO LLC·Filed 2017·Granted Mar 29, 2022·1 cites·18 claims
- 4575US10745099B2Conductor in compositeWISK AERO LLC·Filed 2017·Granted Aug 18, 2020·3 cites·19 claims
- 4674US12062945B2Method of rotor production including co-curing and magnetization in placeWISK AERO LLC·Filed 2021·Granted Aug 13, 2024·0 cites·22 claims
- 4774US10998778B2Modular motor assemblyWISK AERO LLC·Filed 2019·Granted May 4, 2021·2 cites·17 claims
- 4874US8193883B2Rotary switching mechanismLONG GEOFFREY A·Filed 2007·Granted Jun 5, 2012·8 cites·19 claims
- 4974US2025256842A1Blade pitch coupled to propulsion system tiltWISK AERO LLC·Filed 2025·Application pending·0 cites
- 5071US12483046B2Distributed low voltage power generation architecture for battery electrified aircraftWISK AERO LLC·Filed 2023·Granted Nov 25, 2025·0 cites·16 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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