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US5650680A
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Dynamo electric machine with permanent magnet rotor structure
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US1752592A
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Coin-controlled switch-operating mechanism
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US1761786A
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Short-circuiting switch
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US1743815A
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Coin-controlled electric-switch-operating mechanism
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US1677762A
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Motor-assembling fixture
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US1512546A
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Pulley-ventilating means
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US1437595A
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Water-cooled pulley
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US1453466A
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Power-transmission apparatus
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US1433553A
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Automatic safety brake
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US1443541A
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Ventilated pulley
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US1388865A
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Ventilated pulley
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US1433828A
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Ventilated pulley
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GB168565A
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Air cooled pulley
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CA215212A
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Insulated squirrel cage windings
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CA212765A
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Variable speed power transmitting device
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CA215213A
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Induction motor
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CA211658A
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Adjustable constant speed power transmitting device
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CA211924A
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Centrifugal governor
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CA207006A
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Adjustable fan for dynamo electric machines
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CA207005A
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Dynamo electric machine
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