Inventor
WELCH DOUGLAS A
US7 patents
⚠️ This page may combine multiple inventors who share the name “WELCH DOUGLAS A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
5 patentsUS6146099ANov 14, 2000
Frangible fan blade
UNITED TECHNOLOGIES CORP55 citations92
US6059524AMay 9, 2000
Penetration resistant fan casing for a turbine engine
UNITED TECHNOLOGIES CORP72 citations92
US6846159B2Jan 25, 2005
Chamfered attachment for a bladed rotor
UNITED TECHNOLOGIES CORP33 citations89
US6048174AApr 11, 2000
Impact resistant hollow airfoils
UNITED TECHNOLOGIES CORP36 citations89
US5836744ANov 17, 1998
Frangible fan blade
UNITED TECHNOLOGIES CORP42 citations88