4. Measuring and testing
  5. Gas analysis
  6. Density or specific gravity

Robert J. Murphy, Jr.

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Apparatus and method for analyzing well fluid sag

Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Content or effect of a constituent of a liquid mixture
Reexamination Certificate

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Apparatus and method for excluding gas from a liquid

Gas separation – Means within gas stream for conducting concentrate to collector
Patent

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Apparatus and method for measuring viscosity

Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Cleaning or foaming ability
Patent

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Bias supply circuit and a switching power supply employing...

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate

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Electrode holder useful in a corrosion testing device

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Corrosion tester
Patent

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Profile ID: LFUS-PAI-P-373799

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