PACIFIC SCIENTIFIC INSTRUMENTS COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 10196
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6061132 Dual detector array with noise cancellation for a particle size detection deviceJul 20, 98May 09, 00[G01N]
6031610 Multi-lobe pump for particle countersOct 06, 97Feb 29, 00[G01N]
6016194 Particles counting apparatus and method having improved particle sizing resolutionJul 10, 98Jan 18, 00[G01N]
5946092 Dual laser heterodyne optical particle detection techniqueNov 25, 98Aug 31, 99[G01N]
5903347 Particle counter employing a chromium based solid-state laser with an intracavity view volumeJun 23, 97May 11, 99[G01N]
5872622 Condensation nucleus counter having vapor stabilization and working fluid recoveryJul 07, 97Feb 16, 99[G01N]
5864399 Method for counting particles in a fluent streamJun 23, 97Jan 26, 99[G01N]
5684585 Optical particle counter employing a field-calibratorSep 22, 95Nov 04, 97[G01J, G01N]
5675405 Condensation nucleus counter employing supersaturation by thermal differentiationAug 12, 96Oct 07, 97[G01N]
5664599 Flow controller for a particle sensorJun 14, 96Sep 09, 97[F16K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5565984 Re-entrant illumination system for particle measuring deviceExpiredJun 12, 95Oct 15, 96[G01N]
5011286 Multisensor particle counter utilizing a single energy sourceExpiredAug 03, 89Apr 30, 91[G01N]

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