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US2898860A
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Electro-magnetic device for pumping liquids
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GB703777A
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Improvements in driving mechanism for ships and the like
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DE881547C
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Method for insulating laminated cores for electrical machines
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DE832404C
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Deep well pump driven by a shaft from above ground
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DE806209C
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Device for towing ship vehicles
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DE917475C
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Ship propulsion by means of electric motors arranged in a nacelle and directly coupled to the propeller
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DE915662C
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Ship propulsion by means of propellers with gondolas containing a drive motor
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DE805408C
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Device for protecting electric motors working under fluids against the ingress of contaminants
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DE899828C
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Electric submersible motor with vertical shaft and leaf stand
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DE903720C
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Electric submersible motor with a vertical shaft filled with water
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DE900788C
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Propulsion device for ships
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