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

Herbert L. Walker

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Gas turbine engine frame with an integral fluid reservoir...

Power plants – Combustion products used as motive fluid – With lubricators
Reexamination Certificate

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Method for linear friction welding and product made by such meth

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Welded – cemented or fused
Patent

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Method for linear friction welding and product made by such...

Metal working – Method of mechanical manufacture – Impeller making
Reexamination Certificate

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Method for making gas turbine engine blade attachment slots

Metal working – Method of mechanical manufacture – Impeller making
Patent

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Turbine engine windmilling brake

Rotary kinetic fluid motors or pumps – Including destructible – fusible – or deformable non-reusable...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-724174

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