Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Combined multi-speed jet engine for the drive of airplanes and space vehicles

Combined multi-speed jet engine for the drive of airplanes and space vehicles

US Patent 4909031 · Granted Mar 20, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Cooling arrangement for jet engines1993
Thermally stressed, torsionally rigid connection1993
Propfan turbine engine1993
Propelling nozzle for a hypersonic engine1992
Fuel feed method and apparatus for a turboramjet engine1991
Propfan turbo-engine1990
Weapon system1990
Heat exchanger comprised of sections detachably and sealably clamped together an1990
Variable-geometry turbocompressor1989
Shaped tube with elliptical cross-section for tubular heat exchangers and a meth1988
Heat exchanger1984