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US1804945A
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Device for hoisting alpha floating object subject to wave action
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Tension engine
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Hoisting engine
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US1684063A
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Fluid-pressure-operated device
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US1566111A
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Fluid-pressure-operated device and control therefor
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US1634912A
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Engine
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US1621554A
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Winding engine
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US1586210A
|
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Winding engine
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US1505103A
|
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Loading machine
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US1685927A
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Method and apparatus for fueling ships at sea
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US1476536A
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Bucket and associated parts for cableways
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US1460169A
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Sheave wheel
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US1674979A
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Driving mechanism
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US1585162A
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Hoisting and conveying device
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US1514219A
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Logging apparatus
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US1535238A
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Thrust mechanism
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US1532542A
|
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Thrusting mechanism
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US1738384A
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Engine
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US1533201A
|
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Two-speed hoisting mechanism
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US1501614A
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Adjustable thrust bearing
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