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

Hartmut Haehnle

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Cooled component, casting core for manufacturing such a...

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate

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Drilled cooling air openings in gas turbine components

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate

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Method of modifying an existing casting mold for a turbine...

Metal working – Method of mechanical manufacture – Impeller making
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Rotor for a gas turbine

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate

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Turbine blade with actively cooled shroud-band element

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Discharge solely at periphery normal to rotation axis
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2261252

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