4. Fire extinguishers
  5. Special applications
  6. For cooking installation

Preston N. Weintraub

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Equalizer valve and associated method for sealing a fluid flow

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate

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Formation tester pretest using pulsed flow rate control

Measuring and testing – Borehole or drilling – Formation logging
Reexamination Certificate

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Formation testing while drilling data compression

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation
Reexamination Certificate

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MWD formation tester

Wells – Processes – Sampling well fluid
Reexamination Certificate

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MWD formation tester

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2196058

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