4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. Ultraviolet light responsive means

Ray W. Chrisman

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Method and apparatus for determining flow rates and concentratio

Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent

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Method for determining the onset of crystallization

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

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Method for measuring the relative concentration of larger and sm

Optics: measuring and testing – By particle light scattering – With photocell detection
Patent

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Method for measuring the size of objects in a fluid medium

Optics: measuring and testing – By dispersed light spectroscopy – With raman type light scattering
Patent

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Methods and apparatus for measuring the light absorbance of a fl

Radiant energy – Invisible radiant energy responsive electric signalling – Ultraviolet light responsive means
Patent

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Profile ID: LFUS-PAI-P-198513

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