Inventor
ROBERTSON DANIEL B
US33 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTSON DANIEL B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BELL HELICOPTER TEXTRON INC
18 patentsUS9701406B2Jul 11, 2017
Convertible tiltrotor aircraft
BELL HELICOPTER TEXTRON INC27 citations93
US7731121B2Jun 8, 2010
Propulsive anti-torque system for rotorcraft
BELL HELICOPTER TEXTRON INC49 citations90
US7594625B2Sep 29, 2009
Proprotor blade with leading edge slot
BELL HELICOPTER TEXTRON INC22 citations88
US10421541B2Sep 24, 2019
Aircraft with tilting cross-flow fan wings
BELL HELICOPTER TEXTRON INC14 citations85
US10336443B2Jul 2, 2019
Retractable and deployable flight rotor system
BELL HELICOPTER TEXTRON INC12 citations83
US9290266B2Mar 22, 2016
Speed control assembly and methods of using same
BELL HELICOPTER TEXTRON INC13 citations83
US7828525B2Nov 9, 2010
Soft in-plane tiltrotor hub
BELL HELICOPTER TEXTRON INC13 citations83
US9334060B2May 10, 2016
Infrared suppressing exhaust system
BELL HELICOPTER TEXTRON INC16 citations81
US10730622B2Aug 4, 2020
Personal air vehicle with ducted fans
BELL HELICOPTER TEXTRON INC6 citations73
US10589855B2Mar 17, 2020
Tiltrotor aircraft with outboard fixed engines
BELL HELICOPTER TEXTRON INC2 citations73
US10836481B2Nov 17, 2020
Biplane tiltrotor aircraft
BELL HELICOPTER TEXTRON INC4 citations72
US10427780B2Oct 1, 2019
Electric cold flow tipjet rotorcraft
BELL HELICOPTER TEXTRON INC2 citations72
US10377480B2Aug 13, 2019
Apparatus and method for directing thrust from tilting cross-flow fan wings on an aircraft
BELL HELICOPTER TEXTRON INC3 citations72
US10654580B2May 19, 2020
Tiltrotor outboard fixed engine configuration with offset rotation spindle and interconnect drive shaft
BELL HELICOPTER TEXTRON INC1 citations62
US11286037B2Mar 29, 2022
Ducted rotor blade tip extension
BELL HELICOPTER TEXTRON INC0 citations58
US11286036B2Mar 29, 2022
Ducted rotor blade tip extension
BELL HELICOPTER TEXTRON INC0 citations58
US10479495B2Nov 19, 2019
Aircraft tail with cross-flow fan systems
BELL HELICOPTER TEXTRON INC0 citations51
US10633086B2Apr 28, 2020
Rotorcraft anti-torque and directional control using a centrifugal blower
BELL HELICOPTER TEXTRON INC0 citations48
BELL TEXTRON INC
6 patentsUS11091258B2Aug 17, 2021
VTOL aircraft with tilting rotors and tilting ducted fans
BELL TEXTRON INC34 citations94
US12246827B1Mar 11, 2025
VTOL aircraft with tilting rotors and tilting ducted fans
BELL TEXTRON INC2 citations74
US11873085B2Jan 16, 2024
VTOL aircraft with tilting rotors and tilting ducted fans
BELL TEXTRON INC2 citations73
US11613375B2Mar 28, 2023
Dual motor input with overrunning clutch
BELL TEXTRON INC2 citations73
US11097838B2Aug 24, 2021
Duct with optimized horizontal stator shape
BELL TEXTRON INC0 citations62
US11117655B2Sep 14, 2021
Counter-rotating tail rotor
BELL TEXTRON INC0 citations52
TEXTRON INNOVATIONS INC
3 patentsUS8636246B2Jan 28, 2014
Aircraft wing extension and nozzle system
TEXTRON INNOVATIONS INC23 citations92
US12466553B2Nov 11, 2025
VTOL aircraft with tilting rotors and tilting ducted fans
TEXTRON INNOVATIONS INC0 citations62
US11970283B2Apr 30, 2024
Dual motor input with overrunning clutch
TEXTRON INNOVATIONS INC0 citations62