Inventor
NORTH DAVID D
US13 patents
⚠️ This page may combine multiple inventors who share the name “NORTH DAVID D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NASA
9 patentsUS9475579B2Oct 25, 2016
Vertical take-off and landing vehicle with increased cruise efficiency
NASA62 citations94
US10071801B2Sep 11, 2018
Tri-rotor aircraft capable of vertical takeoff and landing and transitioning to forward flight
NASA26 citations91
US8922041B1Dec 30, 2014
Tethered vehicle control and tracking system
NASA19 citations90
US9896200B2Feb 20, 2018
Vertical takeoff and landing vehicle with increased cruise efficiency
NASA15 citations89
US10370100B2Aug 6, 2019
Aerodynamically actuated thrust vectoring devices
NASA17 citations84
US10538321B2Jan 21, 2020
Tri-rotor aircraft capable of vertical takeoff and landing and transitioning to forward flight
NASA3 citations70
US9599995B2Mar 21, 2017
Tethered vehicle control and tracking system
NASA2 citations70
US11613349B2Mar 28, 2023
Vertical take off and landing (VTOL) aircraft with vectored thrust having continuously variable pitch attitude in hover
NASA3 citations65
US11014664B2May 25, 2021
Vertical take off and landing (VTOL) aircraft with vectored thrust having continuously variable pitch attitude in hover
NASA1 citations55