4. Measuring and testing
  5. With fluid pressure
  6. Leakage

Johann Hoell

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Carbon brush for collector

Electricity: transmission to vehicles – Collectors – Suspended conveyors
Patent

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Collector shoe and method for producing it

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Collector shoe for collector and process for producing it

Electricity: transmission to vehicles – Collectors – Third-rail shoe
Patent

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Collector shoe for collector and process for producing it

Electricity: transmission to vehicles – Collectors – Third-rail shoe
Patent

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Method of producing a flat commutator and a flat commutator...

Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate

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Profile ID: LFUS-PAI-P-246420

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