4. Measuring and testing
  5. Fluid pressure gauge
  6. Bourdon

Paul Liu

Inventor

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Connecting arm having a clamping end for use in bourdon gauges

Measuring and testing – Fluid pressure gauge – Bourdon
Patent

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Electrically pumped semiconductor active region with a...

Active solid-state devices (e.g. – transistors – solid-state diode – Responsive to non-electrical signal – Electromagnetic or particle radiation
Reexamination Certificate

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Engine life counter

Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Counting based on number of times machine or apparatus operates
Patent

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Fluid level measuring device with armless float

Measuring and testing – Liquid level or depth gauge – Float
Patent

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Level measuring device with an armless float

Measuring and testing – Liquid level or depth gauge – Float
Patent

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Profile ID: LFUS-PAI-P-181104

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