4. Liquid purification or separation
  5. Comminuting

Karl Frei

Inventor

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Apparatus for generating and radiating ultrasonic energy

Agitating – By vibration – By electrostrictive or magnetostrictive transducer
Patent

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Defoaming device for a packaging machine

Package making – Methods – With contents treating
Reexamination Certificate

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Device for continuous disintegration of activated sludge

Liquid purification or separation – Comminuting
Patent

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Method for continuous disintegration of activated sludge

Liquid purification or separation – Processes – Treatment by living organism
Patent

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Process and device for sifting, sorting, screening, filtering or

Classifying – separating – and assorting solids – Sifting – Distributers or spreaders
Patent

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Profile ID: LFUS-PAI-P-943521

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