4. Measuring, testing, or signalling instruments
  5. Measuring, regulating or indicating instrument, or casing
  6. Volume, flow or rate

Irwin A. Hicks

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Adjustable tangent assembly for a diaphragm gas meter

Measuring and testing – Volume or rate of flow – Element
Patent

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Adjusting tool

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Diaphragm gas meter

Measuring and testing – Volume or rate of flow – Expansible chamber
Patent

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Direct gearless drive mechanism for an internal gate rotary vane

Measuring and testing – Volume or rate of flow – Expansible chamber
Patent

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Fluid meter instrument cover

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Element or attachment
Patent

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Profile ID: LFUS-PAI-P-169938

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