A.C., INC.

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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 3203

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5811812 Multiple-gas NDIR analyzerNov 01, 96Sep 22, 98[G01N]
5582797 Sensor support subassemblyMar 01, 95Dec 10, 96[G01N]
5464982 Respiratory gas analyzerMar 21, 94Nov 07, 95[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5376163 Filter systemExpiredMay 18, 93Dec 27, 94[B01D]
5186655 RF connectorExpiredMay 05, 92Feb 16, 93[H01R]
5146283 Spectrophotometer sample cellExpiredMar 26, 91Sep 08, 92[G01N]
5049170 Filter assembly for gas analyzerExpiredSep 11, 90Sep 17, 91[B01D]
4829183 Dual sample cell gas analyzerExpiredSep 11, 87May 09, 89[G01N]
4692621 Digital anesthetic agent analyzerExpiredOct 11, 85Sep 08, 87[G01N]
4687934 Infrared gas analyzer with automatic zero adjustmentExpiredJan 10, 86Aug 18, 87[G01J, G01D]
4679573 Adaptor assembly for airway tubeExpiredAug 11, 86Jul 14, 87[A61B]
4480190 Non-dispersive infrared gas analyzerExpiredMay 20, 82Oct 30, 84[G01N]
4437004 Modular gas analyzerExpiredAug 24, 81Mar 13, 84[G01J, G01N]
4423739 End tidal carbon dioxide gas analyzerExpiredAug 24, 81Jan 03, 84[A61B]
4398091 Temperature compensated gas analyzerExpiredAug 24, 81Aug 09, 83[G01N]
4346296 Non-dispersive infrared gas analyzerExpiredAug 15, 80Aug 24, 82[G01N]
4241309 Synchronizing method and apparatusExpiredOct 05, 78Dec 23, 80[H03K]
4233513 Gas analyzerExpiredOct 05, 78Nov 11, 80[G01J, G01N]
4200791 Gas analyzer and gas analyzing methodExpiredOct 11, 78Apr 29, 80[G01J]

Top Inventors for This Owner

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