4. Optical waveguides
  5. Accessories
  6. External retainer/clamp

John J. Grunbeck

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Creep-resistant optical fiber attachment

Optical waveguides – Accessories – External retainer/clamp
Reexamination Certificate

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Downhole cable gripping/shearing device

Wells – Means for cutting cable or rope below ground
Reexamination Certificate

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Feedthrough fiber strain relief

Optical waveguides – Accessories – Bushing structure
Reexamination Certificate

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Feedthrough fiber strain relief

Optical waveguides – Accessories – Bushing structure
Reexamination Certificate

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Fused tension-based fiber grating pressure sensor

Measuring and testing – Fluid pressure gauge – Photoelectric
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2136020

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