Coulter Electronics, 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 4202

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5155044 Lysing reagent system for isolation, identification and/or analysis of leukocytes from whole blood samplesDec 12, 91Oct 13, 92[G01N]
RE31149 Apparatus for monitoring chemical reactions and employing moving photometer meansAug 27, 81Feb 15, 83[G01N]
RE31150 Apparatus for monitoring chemical reactions and employing moving photometer meansAug 27, 81Feb 15, 83[G01N]
RE31108 Apparatus for monitoring chemical reactions and employing moving photometer meansAug 27, 81Dec 21, 82[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5731206 Method and reagent system for isolation, identification and/or analysis of leukocytes from whole blood samplesExpiredMar 29, 96Mar 24, 98[G01N]
5188935 Reagent system and method for identification, enumeration and examination of classes and subclasses of blood leukocytesExpiredNov 13, 90Feb 23, 93[G01N]
5125737 Multi-part differential analyzing apparatus utilizing light scatter techniquesExpiredFeb 13, 90Jun 30, 92[G01N]
5108690 Mat for supporting a person in an upright position and process for obtaining a resilient article having a static module which is stable over a long periodExpiredOct 15, 90Apr 28, 92[B29B]
5104221 Particle size analysis utilizing polarization intensity differential scatteringExpiredAug 31, 90Apr 14, 92[G01N]
5056918 Method and apparatus for particle size analysisExpiredMar 03, 89Oct 15, 91[G01N]
5022547 Multiple fluid container assemblyExpiredJul 22, 88Jun 11, 91[B65D]
4972137 Isolation circuit for blood cell counterExpiredMay 31, 89Nov 20, 90[G01N]
4957008 Fluid sampling and transfer valve assemblyExpiredDec 28, 88Sep 18, 90[G01N]
4953978 Particle size analysis utilizing polarization intensity differential scatteringExpiredMar 03, 89Sep 04, 90[G01N]
4921206 Snap-together solenoid operated pinch valve assemblyExpiredDec 20, 88May 01, 90[F16K]
4896546 Liquid metering and transfer valve assemblyExpiredJan 11, 89Jan 30, 90[G01N]
4887473 Bellows pump and actuating apparatusExpiredOct 14, 88Dec 19, 89[G01N]
4858154 Interlaboratory quality assurance programExpiredApr 07, 86Aug 15, 89[G01N]
4801534 Water soluble zanthylium derivative substratesExpiredJun 18, 87Jan 31, 89[C12Q, C12N]
4791355 Particle analyzer for measuring the resistance and reactance of a particleExpiredOct 21, 86Dec 13, 88[G01N]
4781460 System for measuring the size distribution of particles dispersed in a fluidExpiredJun 29, 87Nov 01, 88[G01N]
4775833 Lodged debris detector for a particle analyzerExpiredOct 03, 86Oct 04, 88[G01N]
4752690 Method and apparatus for detecting incongruities, such as air bubbles, in fluid materialExpiredAug 11, 86Jun 21, 88[G01N]
4751179 Method and reagents for differential determination of four populations of leukocytes in bloodExpiredMay 31, 84Jun 14, 88[C12Q, G01N]

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