4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Charles H. Kershaw

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Combustion-driven hydroelectric generating system

Internal-combustion engines – Liquid piston
Reexamination Certificate

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Combustion-driven hydroelectric generating system with...

Power plants – Fluid within expansible chamber heated or cooled – Having means within the working chamber to effect the...
Reexamination Certificate

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Fiber optic transducer with fiber-to-fiber edge coupling

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Fluid control valve

Fluid handling – Line condition change responsive valves – Direct response valves
Reexamination Certificate

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Fluid coupled fiber optic sensor

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-1362887

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