4. Measuring and testing
  5. Gas analysis
  6. Gas chromatography

Alphonse E. Zumsteg

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Beveled, coupled mode piezo-electric resonator

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent

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Multiple resonator or filter vibrating in a coupled mode

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent

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Piezoelectric contamination detector

Measuring and testing – Gas analysis – Gas chromatography
Patent

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Signal generator including high and low frequency oscillators

Oscillators – Electromechanical resonator – Crystal
Patent

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Profile ID: LFUS-PAI-P-1175909

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