Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Lightweight propulsor blade with internal spars and rigid base members

Lightweight propulsor blade with internal spars and rigid base members

US Patent 5129787 · Granted Jul 14, 1992

Estimated economic value: $3,642,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Composite propulsor blade support structure and system2020
Floating toy2013
Fan blade retention and variable pitch system2011
Variable pitch rotor blade with double flexible retention elements2009
Composite airfoil assembly2004
Bolted-on propeller blade2001
Bar wedge preload apparatus for a propeller blade2001
Preloaded retention assembly for aircraft propeller blade retention2000
Hybrid braze alloy1996
Composite blade with partial length spar1993
Method of making contoured fiber reinforced body1993
Composite blade manufacture1993