Inventor
SPEAR DAVID A
US6 patents
⚠️ This page may combine multiple inventors who share the name “SPEAR DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
4 patentsUS5642985AJul 1, 1997
Swept turbomachinery blade
UNITED TECHNOLOGIES CORP139 citations98
US5397215AMar 14, 1995
Flow directing assembly for the compression section of a rotary machine
UNITED TECHNOLOGIES CORP151 citations97
USRE38040EMar 18, 2003
Swept turbomachinery blade
UNITED TECHNOLOGIES CORP48 citations95
US5460488AOct 24, 1995
Shrouded fan blade for a turbine engine
UNITED TECHNOLOGIES CORP25 citations92