4. Radiant energy
  5. Geological testing or irradiation
  6. Well testing apparatus and methods

John L. Lee

Attorney

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Acoustic detection of stress-induced mechanical damage in a...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
Reexamination Certificate

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Acoustic transducer with spiral-shaped piezoelectric shell

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric
Reexamination Certificate

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Active reduction of tool borne noise in a sonic logging tool

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through drill string or casing
Reexamination Certificate

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Analysis of downhole OBM-contaminated formation fluid

Radiant energy – Geological testing or irradiation – Well testing apparatus and methods
Reexamination Certificate

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Analysis of downhole OBM-contaminated formation fluid

Radiant energy – Geological testing or irradiation – Well testing apparatus and methods
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2013669

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