4. Metal working
  5. Method of mechanical manufacture
  6. Impeller making

Douglas R. Burnham

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Electrical system for turbine/alternator on common shaft

Electricity: single generator systems – With physical starting and/or stopping of the generator
Reexamination Certificate

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Electrical system for turbine/alternator on common shaft

Prime-mover dynamo plants – Turbogenerators
Reexamination Certificate

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Hot forming process

Metal working – Method of mechanical manufacture – Impeller making
Patent

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Method and apparatus for compensating output voltage...

Prime-mover dynamo plants – Turbogenerators
Reexamination Certificate

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Method and apparatus for controlling output current of...

Prime-mover dynamo plants – Turbogenerators
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1563432

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