4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. Infrared responsive

John D. King

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Diving plane

Ships – Submersible device – Diver assistance device
Patent

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Fire detection method and apparatus using overlapping spectral b

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Flame sensors and methods of sensing flame

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent

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Hydrogen fire detection system & method

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Method and apparatus of detecting fire by flame imaging

Image analysis – Applications
Reexamination Certificate

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Profile ID: LFUS-PAI-P-365482

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