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Class Information
Number: 356/37
Name: Optics: measuring and testing > With sample preparation > Condensation nuclei detector
Description: Subject matter wherein moisture or other liquids are deposited on particles to enlarge them or optically modify them (e.g., improve reflection) to facilitate optical study of the particles.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8711338 Apparatus for counting particles in a gas Apr. 29, 2014
8603247 Apparatus for counting particles in a gas Dec. 10, 2013
8449657 Continuous droplet generator devices and methods May. 28, 2013
8208132 Condensation nucleus counter Jun. 26, 2012
8194234 Methods for detecting particles in aerosol gas streams Jun. 5, 2012
7981365 Electrospray coating of aerosols for labeling and identification Jul. 19, 2011
7852465 System for measuring liquid flow rates Dec. 14, 2010
7808393 Smoke detector and sampling air supplying method for smoke detector Oct. 5, 2010
7790467 Diode laser based ketone and aldehyde detection Sep. 7, 2010
7777867 Devices, methods, and systems for detecting particles in aerosol gas streams Aug. 17, 2010
7777868 System for measuring non-volatile residue in ultra pure water Aug. 17, 2010
7656510 Stream-wise thermal gradient cloud condensation nuclei chamber Feb. 2, 2010
7605910 Particle measuring system and method Oct. 20, 2009
7201878 Aerosol particle analyzer for measuring an analyte in airborne particles Apr. 10, 2007
7201879 Aerosol into liquid collector for depositing particles from a large volume of gas into a small volume of liquid Apr. 10, 2007
7153475 Aerosol particle analyzer for measuring the amount of analyte in airborne particles Dec. 26, 2006
7125518 Aerosol particle analyzer for measuring the amount of analyte in airborne particles Oct. 24, 2006
7006218 Low temperature adaptor for evaporative light detection Feb. 28, 2006
6980284 Condensation particle counter Dec. 27, 2005
6829044 Compact, high-efficiency condensation nucleus counter Dec. 7, 2004
6712881 Continuous, laminar flow water-based particle condensation device and method Mar. 30, 2004
6643001 Patterned platelets Nov. 4, 2003
6639671 Wide-range particle counter Oct. 28, 2003
6567157 Fast mixing condensation nucleus counter May. 20, 2003
6529272 Techniques for characterizing cloud condensation nuclel Mar. 4, 2003
6498641 Condensation nucleus counter with multi-directional fluid flow system Dec. 24, 2002
6469781 Photoinduced nucleation: a novel tool for detecting molecules in air at ultra-low concentrations Oct. 22, 2002
6469780 Apparatus and method for detecting particles in reactive and toxic gases Oct. 22, 2002
6392745 Method and apparatus for the fast detection of surface characteristics May. 21, 2002
6362880 Low temperature adaptor for evaporative light detection Mar. 26, 2002
6263744 Automated mobility-classified-aerosol detector Jul. 24, 2001
6229605 Evaporative light scattering device May. 8, 2001
6122055 ELSD diffuser Sep. 19, 2000
5903338 Condensation nucleus counter using mixing and cooling May. 11, 1999
5872622 Condensation nucleus counter having vapor stabilization and working fluid recovery Feb. 16, 1999
5675405 Condensation nucleus counter employing supersaturation by thermal differentiation Oct. 7, 1997
5659388 Method and apparatus for operating a condensation nucleus counter with improved counting stability and accuracy over a variable detection threshold Aug. 19, 1997
5578995 Method of monitoring and controlling condensate quality Nov. 26, 1996
5374396 Syringe injection system for measuring non-volatile residue in solvents Dec. 20, 1994
5298967 Measurement of concentrations of dissolved solvent Mar. 29, 1994
5278626 Non-volatile residue system for monitoring impurities in a liquid Jan. 11, 1994
5247842 Electrospray apparatus for producing uniform submicrometer droplets Sep. 28, 1993
5239356 Condensation nucleus counter Aug. 24, 1993
5118959 Water separation system for condensation particle counter Jun. 2, 1992
5098657 Apparatus for measuring impurity concentrations in a liquid Mar. 24, 1992
5072626 Measurement of ultrafine particle size distributions Dec. 17, 1991
5027642 Method of detecting and or removing trace amounts of condensible vapors from compressed gas Jul. 2, 1991
5026155 Process for sizing particles using condensation nucleus counting Jun. 25, 1991
5011281 Humidification and cloud chamber block for particle concentration detection Apr. 30, 1991
4967095 Method and apparatus for detecting and sizing particles on surfaces Oct. 30, 1990

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