Inventor
Ko Allan
US17 patents
Patents
17 patentsUS10011346B2Jul 3, 2018
Propeller blade indentations for improved aerodynamic performance and sound control
AMAZON TECH INC19 citations94
US9592910B1Mar 14, 2017
Geometrically reconfigurable propellers
AMAZON TECH INC23 citations94
US9731839B1Aug 15, 2017
Aerial vehicle delivery shroud
AMAZON TECH INC16 citations92
US10259574B2Apr 16, 2019
Propeller surface area treatments for sound dampening
AMAZON TECH INC14 citations86
US10053208B1Aug 21, 2018
Systems and methods for simulating ground effect
AMAZON TECH INC7 citations84
US9745050B2Aug 29, 2017
Selecting propellers for performance and noise shaping
AMAZON TECH INC5 citations84
US9643718B1May 9, 2017
Simulated ground effect for aerial vehicles
AMAZON TECH INC9 citations84
US10933988B2Mar 2, 2021
Propeller blade treatments for sound control
AMAZON TECH INC2 citations73
US10259562B2Apr 16, 2019
Propeller blade trailing edge fringes for improved sound control
AMAZON TECH INC6 citations73
US10179646B1Jan 15, 2019
Reconfiguring propellers during aerial vehicle operation
AMAZON TECH INC2 citations73
US10099773B2Oct 16, 2018
Propeller blade leading edge serrations for improved sound control
AMAZON TECH INC6 citations73
US9902490B2Feb 27, 2018
Intentionally imbalancing propellers for performance and noise-shaping
AMAZON TECH INC2 citations73
US10232931B2Mar 19, 2019
Selecting propellers for performance and noise shaping
AMAZON TECH INC4 citations71
US10822077B1Nov 3, 2020
Geometrically reconfigurable propellers
AMAZON TECH INC0 citations52
US10399665B2Sep 3, 2019
Propeller blade indentations for improved aerodynamic performance and sound control
AMAZON TECH INC0 citations52
US10214279B2Feb 26, 2019
Operating aerial vehicles with intentionally imbalanced propellers
AMAZON TECH INC0 citations52
US10086951B1Oct 2, 2018
Aerial vehicle delivery shroud
AMAZON TECH INC0 citations52