4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

Volker Dreyer

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Apparatus for determining and/or monitoring a predetermined cont

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Apparatus for establishing and/or monitoring a predetermined fil

Measuring and testing – Liquid level or depth gauge
Patent

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Apparatus for establishing and/or monitoring a predetermined...

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Apparatus for monitoring a field device

Communications: directive radio wave systems and devices (e.g. – Determining distance – Material level within container
Reexamination Certificate

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Arrangement for determining the level in a container

Measuring and testing – Liquid level or depth gauge – Immersible electrode type
Patent

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Profile ID: LFUS-PAI-P-260479

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