4. Stock material or miscellaneous articles
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Geoff Downton

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Bi-directional rotary steerable system actuator assembly and...

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along...
Reexamination Certificate

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Control method for use with a steerable drilling system

Data processing: structural design – modeling – simulation – and em – Simulating nonelectrical device or system – Fluid
Reexamination Certificate

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Control method for use with a steerable drilling system

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Tool position direction or inclination measuring or...
Reexamination Certificate

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Downhole motor seal and method

Rotary expansible chamber devices – Unlike helical surfaces on relatively wobbling rotating...
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Downhole rate of penetration sensor assembly and method

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
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Profile ID: LFUS-PAI-P-2297080

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