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Class Information
Number: 250/335
Name: Radiant energy > Cloud or bubble chambers
Description: Subject matter including vessels transparent in whole or in part to permit visual observation of the interior and means establishing a supersaturated condition in a gas or liquid confined in the vessel to cause visible vapor or bubbles to form in response to an ionizing event or the passage of a particle therethrough.

Patents under this class:

Patent Number Title Of Patent Date Issued
8174693 Calibration optic for a solar/earth spectrometer May. 8, 2012
7605910 Particle measuring system and method Oct. 20, 2009
6330060 Cloud condensation nucleus spectrometer Dec. 11, 2001
4967187 Method and apparatus for particle concentration detection using a cloud chamber Oct. 30, 1990
4047031 Apparatus for obtaining radiographs Sep. 6, 1977
3957511 Method for producing a visible image by use of a photoconductor May. 18, 1976
3940621 Heat transfer device Feb. 24, 1976

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