4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Herman W. Erichsen

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Differential pressure transducer

Measuring and testing – Fluid pressure gauge – Diaphragm
Patent

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Measuring the quantity of a gas in a tank

Measuring and testing – Gas analysis – Detector detail
Patent

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Method of manufacturing pressure transducers

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Pressure transducer

Measuring and testing – Fluid pressure gauge – Mounting and connection
Patent

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Pressure transducer

Electrical resistors – Strain gauge type – Fluid- or gas pressure-actuated
Patent

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Profile ID: LFUS-PAI-P-265797

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