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US2199125A
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Antifriction metaling of bearings
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US2179706A
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Sleeve valve engine
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US2170444A
|
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Two-speed step-up gear with hydraulic control
|
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US2163929A
|
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Control of the sleeve valves of engines
|
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US2170443A
|
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Mounting of cylinders in motors
|
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US2148795A
|
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Flexible coupling
|
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US1930549A
|
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Servo-brake
|
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US1914063A
|
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Device for heating carburetors or the air fed to carburetors
|
|
US1893192A
|
|
Packing joint for water cooled internal combustion engines
|
|
US1930548A
|
|
Propeller with variable pitch
|
|
US1895874A
|
|
Driving arrangement for aircraft propellers
|
|
US1825769A
|
|
Construction of the cylinders of internal combustion engines
|
|
US1920674A
|
|
Variable pitch propeller
|
|
US1825768A
|
|
Propeller with variable pitch
|
|
US1866873A
|
|
Internal combustion engine
|
|
US1775926A
|
|
Aircraft engine
|
|
US1755804A
|
|
Speed changing and reducing gear for aeroplane engines
|
|
US1858798A
|
|
Connecting rod of engines with radially arranged cylinders
|
|
US1772237A
|
|
Air heater for carburetors
|
|
US1702244A
|
|
Speed-reducing gear
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