GB0815894D0
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Electric motor-generators
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GB0813955D0
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Integrated motor-generators
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GB0718260D0
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Electric motor-generators
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GB0608644D0
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Higher-voltage commutator & method of commutating current in a rotating electrical machine
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GB0513588D0
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Commutator & method of commutating current in a rotating electrical machine
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GB0505708D0
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Improved dc electric motor
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GB0502449D0
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DC electric motor
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GB0500798D0
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Rotating electric machine
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GB0427658D0
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Rotating electric machine
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GB0427645D0
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Commutators
|
GB0306901D0
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Commutators
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GB0306598D0
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Commutators
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GB0227976D0
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Rotating Electrical Machine
|
GB0227316D0
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Electric motor-generators
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US2799823A
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Analytical procedure
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US2133483A
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Method for detecting ice formation
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