Inventor · disambiguated record
Grant Michael Beall
Also filed as: BEALL GRANT · BEALL GRANT M · BEALL GRANT MICHAEL
14 granted patents·17 citations·filing 2018–2024
86Inventor score
Top patents by PatentIndex Score
14 records- 0194US12172770B2Aircraft rotor assembly with segmented input shaft for electric motor stack and gearbox unitTEXTRON INNOVATIONS INC·Filed 2022·Granted Dec 24, 2024·6 cites·17 claims
- 0293US11964757B2Proprotor lockout systems for tiltrotor aircraftTEXTRON INNOVATIONS INC·Filed 2022·Granted Apr 23, 2024·3 cites·18 claims
- 0392US11831220B2Electric motor stack with integral one-piece gearbox input shaftBELL TEXTRON INC·Filed 2020·Granted Nov 28, 2023·4 cites·14 claims
- 0485US11390395B2Aircraft rotor assembly with segmented input shaft for electric motor stack and gearbox unitBELL TEXTRON INC·Filed 2020·Granted Jul 19, 2022·2 cites·20 claims
- 0583US11994200B1Concentric electric-motor driveshaft system and methodTEXTRON INNOVATIONS INC·Filed 2022·Granted May 28, 2024·1 cites·11 claims
- 0679US11975826B2Electric tiltrotor aircraft with fixed motorsBELL TEXTRON INC·Filed 2021·Granted May 7, 2024·1 cites·14 claims
- 0775US12473083B2Electric tiltrotor aircraft with tilting coaxial motors and gearboxTEXTRON INNOVATIONS INC·Filed 2023·Granted Nov 18, 2025·0 cites·16 claims
- 0875US12434823B2Electric tiltrotor aircraft with fixed motorsTEXTRON INNOVATIONS INC·Filed 2024·Granted Oct 7, 2025·0 cites·18 claims
- 0967US11722033B2Electric motor with backup bearing assemblyBELL TEXTRON INC·Filed 2021·Granted Aug 8, 2023·0 cites·15 claims
- 1065US11814163B2Electric tiltrotor aircraft with tilting coaxial motors and gearboxBELL TEXTRON INC·Filed 2021·Granted Nov 14, 2023·0 cites·10 claims
- 1161US11815368B2Dual-mount for spring-loaded gear-driven resolversBELL TEXTRON INC·Filed 2020·Granted Nov 14, 2023·0 cites·20 claims
- 1258US11772804B2Electric tiltrotor aircraft with offset tilting motorsBELL TEXTRON INC·Filed 2021·Granted Oct 3, 2023·0 cites·20 claims
- 1352US11781544B2Electric drive system for rotorcraftBELL TEXTRON INC·Filed 2020·Granted Oct 10, 2023·0 cites·20 claims
- 1451US10894304B2System for image guided assembly and a fastening tool for assembly of a structureBELL HELICOPTER TEXTRON INC·Filed 2018·Granted Jan 19, 2021·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →