4. Measuring and testing
  5. Surface and cutting edge testing
  6. Roughness

Yang Xu

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Anchor system for packers in well injection service

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Apparatus and methods for downconverting radio frequency...

Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate

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Configurable circuits using phase change switches

Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Reexamination Certificate

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Delta-sigma modulator clock dithering in a fractional-N...

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synchronizing
Reexamination Certificate

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Dissolvable downhole trigger device

Wells – Processes – Destroying or dissolving well part
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1822204

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