Inventor

GRONENTHAL EDWARD W

US5 patents

⚠️ This page may combine multiple inventors who share the name “GRONENTHAL EDWARD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIKORSKY AIRCRAFT CORP

3 patents

US5642982AJul 1, 1997

Retraction/extension mechanism for variable diameter rotors

SIKORSKY AIRCRAFT CORP39 citations91

US5636969AJun 10, 1997

Torque tube/spar assembly for variable diameter helicopter rotors

SIKORSKY AIRCRAFT CORP32 citations87

US5620304AApr 15, 1997

Rotor system having alternating length rotor blades and positioning means therefor for reducing blade-vortex interaction (BVI) noise

SIKORSKY AIRCRAFT CORP27 citations87

BOEING CO

2 patents

US7243881B2Jul 17, 2007

Multi-function trailing edge devices and associated methods

BOEING CO53 citations90

US6857598B2Feb 22, 2005

Integrated high-speed aircraft and associated methods of manufacture

BOEING CO17 citations88