DREW SCIENTIFIC HOLDINGS, 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 12194
 
  
 
B01L CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE 157
 
  
 
C12M APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY 148
 
  
 
C12Q MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICRO-ORGANISMS 1124
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7294307 Apparatus for pumping and directing fluids for hematology testingOct 27, 04Nov 13, 07[G01N]
6646742 Optical device and method for multi-angle laser light scatterFeb 19, 00Nov 11, 03[G01N]
6235002 Syringe for use in fluid-handling apparatusApr 17, 98May 22, 01[B01L]
5983735 Method and apparatus for analyzing particulate matterSep 01, 98Nov 16, 99[G01N]
5981169 Method for closing a cuvetteFeb 08, 99Nov 09, 99[C12Q]
5907240 Method and apparatus for cell differentiation by measuring apparent cell size, membrane integrity and intracellular complexityMay 12, 97May 25, 99[G01N]
5869328 Cuvette for performing a diagnostic test on a specimenAug 08, 97Feb 09, 99[C12M]
5728351 Apparatus for making a plurality of reagent mixtures and analyzing particle distributions of the reagent mixturesJan 09, 95Mar 17, 98[G01N]
5542452 Valve assemblyFeb 07, 95Aug 06, 96[F16K]
5486477 Reagent system for improved multiple species blood analysisAug 11, 93Jan 23, 96[G01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7608180 Amperometric sensorExpiredDec 21, 05Oct 27, 09[G01N]
7135100 Amperometric sensorExpiredJun 29, 00Nov 14, 06[G01N]
2006/0060,471 Multi-ionophore membrane electerodeAbandonedNov 21, 03Mar 23, 06[G01N]
6979569 Apparatus and method for mixing fluids for analysisExpiredNov 23, 98Dec 27, 05[G01N]
2004/0265,940 Amperometer sensorAbandonedMay 05, 04Dec 30, 04[C12Q]
6812032 Apparatus and method for making a plurality of reagent mixtures and analyzing particle distributions of the reagent mixturesExpiredMar 16, 98Nov 02, 04[G01N]
6507400 Optical system for multi-part differential particle discrimination and an apparatus using the sameExpiredFeb 19, 00Jan 14, 03[G01N]
5895869 Method and apparatus for analyzing particulate matterExpiredOct 31, 96Apr 20, 99[G01N]
5840254 Apparatus for mixing fluids for analysisExpiredJun 02, 95Nov 24, 98[G01N]

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