O.I. Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 8126
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 8198
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 3125
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8679408 Total organic carbon analysisApr 16, 10Mar 25, 14[G01N]
8465697 System and method for regulating flow in fluidic devicesDec 31, 08Jun 18, 13[G01N]
8216447 Total organic compound (TOC) analyzerDec 14, 09Jul 10, 12[G01N]
8191437 Gas sample collection and analysisMay 15, 08Jun 05, 12[G01N]
7715010 Non-dispersive electromagnetic radiation detectorJan 25, 08May 11, 10[G01N]
7550722 Focal plane detector assembly of a mass spectrometerMar 04, 05Jun 23, 09[H01J]
7442920 Optical bench for a mass spectrometer systemAug 16, 05Oct 28, 08[B01D]
7306770 High temperature combustion tubeSep 15, 04Dec 11, 07[B01J]
7223972 Stabilization of a magnetic section of a mass spectrometerMar 31, 05May 29, 07[H01J]
6979818 Mass spectrometer for both positive and negative particle detectionJun 03, 04Dec 27, 05[H01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0183,929 Total organic carbon analysisAbandonedFeb 09, 06Aug 09, 07[G01N]
2007/0178,022 Analyte systemAbandonedJul 25, 06Aug 02, 07[B01J]
2006/0062,691 Electronic flow control system for gas phase dilutionAbandonedSep 22, 04Mar 23, 06[G01D]
2006/0011,829 Gas chromatograph and mass spectrometerAbandonedMar 04, 05Jan 19, 06[H01J]
2004/0222,374 Ion detector array assembly and devices comprising the sameAbandonedMar 29, 04Nov 11, 04[H01J]
2004/0083,889 Immersion heater for sparge vesselAbandonedNov 05, 02May 06, 04[B01D]
2004/0087,031 PH measurement systemAbandonedNov 05, 02May 06, 04[G01N, G01F]
6640654 Variable split sampler for air monitoringExpiredJul 29, 02Nov 04, 03[G01N]
5795368 Microtrap sample concentrator and methods of useExpiredMar 01, 96Aug 18, 98[B01D]
5762314 Diaphragm valve for cryogenic applicationsExpiredFeb 17, 95Jun 09, 98[F16K]
5528039 Method and apparatus for linearization of non-dispersive infrared detector responseExpiredMar 01, 95Jun 18, 96[G01N]
5125742 Long path gas absorption cellExpiredJul 25, 90Jun 30, 92[G01N]
5103179 Water analyzer with multiple electrodesExpiredMar 05, 90Apr 07, 92[G01N]
5052805 Ventilation unit for a flame photometric detection deviceExpiredSep 12, 90Oct 01, 91[G01J, G01N]
5014541 Continuous air monitoring apparatus and methodExpiredFeb 21, 89May 14, 91[G01N]
4917709 Permeation pH control systemExpiredAug 27, 87Apr 17, 90[B01D]
4805441 Continuous air monitoring apparatus and methodExpiredFeb 22, 88Feb 21, 89[G01N]
4804846 Photoionization detector for gas chromatographyExpiredDec 04, 87Feb 14, 89[H01J, G01N]
4649124 Electrolytic conductivity detection processExpiredSep 09, 85Mar 10, 87[G01N]
4619902 Total organic carbon analyzerExpiredJul 27, 84Oct 28, 86[G01N]

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