4. Electric lamp and discharge devices
  5. Photosensitive
  6. Photomultiplier

Wolfgang Ehrfeld

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Antifriction bearing provided with polymer electronics

Measuring and testing – Dynamometers – Responsive to torque
Reexamination Certificate

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Cross flow microfilter

Liquid purification or separation – Casing divided by membrane into sections having inlet – Planar membrane
Patent

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Determination of the partial pressure and the concentration of a

Optics: measuring and testing – With plural diverse test or art
Patent

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Disk motor with bearing prestressing feature

Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate

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Electrochemical measuring cell

Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent

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Profile ID: LFUS-PAI-P-33485

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