Inventor · disambiguated record
Kirk Landon Groninga
Also filed as: GRONINGA KIRK · GRONINGA KIRK L · Groninga Kirk Landon
74 granted patents·8 pending applications·361 citations·filing 2010–2025
99Inventor score
Files withTEXTRON INNOVATIONS INC36BELL HELICOPTER TEXTRON INC28BELL TEXTRON INC16GRONINGA KIRK L1ROBERTSON DANIEL B1
Top patents by PatentIndex Score
82 records- 0199US11091258B2VTOL aircraft with tilting rotors and tilting ducted fansBELL TEXTRON INC·Filed 2019·Granted Aug 17, 2021·34 cites·20 claims
- 0299US11072423B1Low observable aircraft having a unitary lift fanTEXTRON INNOVATIONS INC·Filed 2020·Granted Jul 27, 2021·28 cites·19 claims
- 0398US11148797B1Low observable aircraft having trinary lift fansTEXTRON INNOVATIONS INC·Filed 2020·Granted Oct 19, 2021·6 cites·20 claims
- 0498US10513334B2X-tiltwing aircraftTEXTRON INNOVATIONS INC·Filed 2017·Granted Dec 24, 2019·25 cites·20 claims
- 0597US11167844B2Low observable aircraft having tandem longitudinal lift fansTEXTRON INNOVATIONS INC·Filed 2020·Granted Nov 9, 2021·4 cites·20 claims
- 0697US10384776B2Tiltrotor aircraft having vertical lift and hover augmentationBELL HELICOPTER TEXTRON INC·Filed 2017·Granted Aug 20, 2019·20 cites·19 claims
- 0796US10421541B2Aircraft with tilting cross-flow fan wingsBELL HELICOPTER TEXTRON INC·Filed 2017·Granted Sep 24, 2019·14 cites·23 claims
- 0896US8636246B2Aircraft wing extension and nozzle systemTEXTRON INNOVATIONS INC·Filed 2013·Granted Jan 28, 2014·23 cites·4 claims
- 0995US12246827B1VTOL aircraft with tilting rotors and tilting ducted fansBELL TEXTRON INC·Filed 2023·Granted Mar 11, 2025·2 cites·9 claims
- 1095US11597510B2Ducted fans having fluidic thrust vectoringTEXTRON INNOVATIONS INC·Filed 2020·Granted Mar 7, 2023·3 cites·18 claims
- 1195US10106253B2Tilting ducted fan aircraft generating a pitch control momentBELL HELICOPTER TEXTRON INC·Filed 2016·Granted Oct 23, 2018·13 cites·19 claims
- 1294US11780576B1Long-endurance aircraft having tiltable propulsionTEXTRON INNOVATIONS INC·Filed 2022·Granted Oct 10, 2023·6 cites·20 claims
- 1394US10597152B2Dual tiltwing aircraft having a quadrilateral linkageTEXTRON INNOVATIONS INC·Filed 2017·Granted Mar 24, 2020·9 cites·19 claims
- 1494US8469308B2Aircraft wing extension and nozzle systemROBERTSON DANIEL B·Filed 2011·Granted Jun 25, 2013·24 cites·14 claims
- 1593US11873085B2VTOL aircraft with tilting rotors and tilting ducted fansBELL TEXTRON INC·Filed 2021·Granted Jan 16, 2024·2 cites·11 claims
- 1692US11518512B2Power line inspection vehicleTEXTRON INNOVATIONS INC·Filed 2020·Granted Dec 6, 2022·6 cites·19 claims
- 1792US11148799B2Tilting duct compound helicopterTEXTRON INNOVATIONS INC·Filed 2018·Granted Oct 19, 2021·7 cites·10 claims
- 1891US11801939B2Rotor system with belt driven propulsion and stowingBELL TEXTRON INC·Filed 2022·Granted Oct 31, 2023·2 cites·20 claims
- 1990US11167839B2Fluidic pitch control systems for use in forward flightTEXTRON INNOVATIONS INC·Filed 2020·Granted Nov 9, 2021·2 cites·20 claims
- 2090US11142302B1Fluidic split flap systems for yaw control in forward flightTEXTRON INNOVATIONS INC·Filed 2020·Granted Oct 12, 2021·2 cites·20 claims
- 2190US11084573B1Fluidic drag rudder systems for yaw control in forward flightTEXTRON INNOVATIONS INC·Filed 2020·Granted Aug 10, 2021·2 cites·20 claims
- 2290US11077951B1Propulsion systems for low observable aircraftTEXTRON INNOVATIONS INC·Filed 2020·Granted Aug 3, 2021·2 cites·19 claims
- 2390US10494095B2Hybrid powered unmanned aircraft systemBELL HELICOPTER TEXTRON INC·Filed 2017·Granted Dec 3, 2019·14 cites·20 claims
- 2489US11807357B2Tilting hexrotor aircraftBELL TEXTRON INC·Filed 2021·Granted Nov 7, 2023·2 cites·20 claims
- 2589US10407169B2Aircraft having dual rotor-to-wing conversion capabilitiesBELL HELICOPTER TEXTRON INC·Filed 2016·Granted Sep 10, 2019·7 cites·20 claims
- 2688US10730622B2Personal air vehicle with ducted fansBELL HELICOPTER TEXTRON INC·Filed 2017·Granted Aug 4, 2020·6 cites·31 claims
- 2788US10414492B2Aircraft having rotor-to-wing conversion capabilitiesBELL HELICOPTER TEXTRON INC·Filed 2016·Granted Sep 17, 2019·6 cites·20 claims
- 2887US11993360B2Energy attenuating pod carrier system for vertical lift aircraftBELL TEXTRON INC·Filed 2020·Granted May 28, 2024·2 cites·9 claims
- 2986US12246819B1Thrust vectoring pylon arrangement and method thereforTEXTRON INNOVATIONS INC·Filed 2023·Granted Mar 11, 2025·3 cites·15 claims
- 3086US11208207B2Vertical takeoff and landing (VTOL) aircraftBELL HELICOPTER TEXTRON INC·Filed 2018·Granted Dec 28, 2021·5 cites·19 claims
- 3186US10279900B2Rotorcraft variable thrust cross-flow fan systemsBELL HELICOPTER TEXTRON INC·Filed 2016·Granted May 7, 2019·8 cites·19 claims
- 3286US8636244B2Propulsive anti-torque nozzle system with rotating thrust director for a rotorcraftGRONINGA KIRK L·Filed 2010·Granted Jan 28, 2014·17 cites·17 claims
- 3384US11077939B1Low observable aircraft having tandem lateral lift fansTEXTRON INNOVATIONS INC·Filed 2020·Granted Aug 3, 2021·1 cites·19 claims
- 3484US10836481B2Biplane tiltrotor aircraftBELL HELICOPTER TEXTRON INC·Filed 2017·Granted Nov 17, 2020·4 cites·18 claims
- 3583US11325699B2Ducted fans having edgewise flow augmentationTEXTRON INNOVATIONS INC·Filed 2020·Granted May 10, 2022·1 cites·20 claims
- 3683US11279479B2Fluidic yaw control systems for use in hoverTEXTRON INNOVATIONS INC·Filed 2020·Granted Mar 22, 2022·1 cites·19 claims
- 3783US11180241B2Fluidic roll control systems for use in hoverTEXTRON INNOVATIONS INC·Filed 2020·Granted Nov 23, 2021·1 cites·19 claims
- 3883US11174020B2Fluidic roll control systems for use in forward flightTEXTRON INNOVATIONS INC·Filed 2020·Granted Nov 16, 2021·1 cites·20 claims
- 3983US10562618B2Helicopter with wing augmented liftBELL HELICOPTER TEXTRON INC·Filed 2017·Granted Feb 18, 2020·4 cites·19 claims
- 4081US11718397B2Electric tiltrotor aircraftBELL TEXTRON INC·Filed 2021·Granted Aug 8, 2023·1 cites·15 claims
- 4180US12466553B2VTOL aircraft with tilting rotors and tilting ducted fansTEXTRON INNOVATIONS INC·Filed 2025·Granted Nov 11, 2025·0 cites·18 claims
- 4280US11542020B2Electric aircraft side access batteries and single file passenger seatingBELL TEXTRON INC·Filed 2021·Granted Jan 3, 2023·1 cites·20 claims
- 4378US11613375B2Dual motor input with overrunning clutchBELL TEXTRON INC·Filed 2019·Granted Mar 28, 2023·2 cites·20 claims
- 4478US10377480B2Apparatus and method for directing thrust from tilting cross-flow fan wings on an aircraftBELL HELICOPTER TEXTRON INC·Filed 2017·Granted Aug 13, 2019·3 cites·19 claims
- 4577US12459681B2Rotor system with belt driven propulsion and stowingTEXTRON INNOVATIONS INC·Filed 2023·Granted Nov 4, 2025·0 cites·20 claims
- 4677US12240600B2Electric tiltrotor aircraftTEXTRON INNOVATIONS INC·Filed 2023·Granted Mar 4, 2025·0 cites·16 claims
- 4777US10814967B2Cargo transportation system having perimeter propulsionTEXTRON INNOVATIONS INC·Filed 2017·Granted Oct 27, 2020·5 cites·16 claims
- 4876US11970283B2Dual motor input with overrunning clutchTEXTRON INNOVATIONS INC·Filed 2023·Granted Apr 30, 2024·0 cites·20 claims
- 4975US12168508B2Tilting hexrotor aircraftBELL TEXTRON INC·Filed 2021·Granted Dec 17, 2024·1 cites·19 claims
- 5075US10293931B2Aircraft generating a triaxial dynamic thrust matrixBELL HELICOPTER TEXTRON INC·Filed 2016·Granted May 21, 2019·4 cites·19 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →