Costar Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C12M APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY 247
 
  
 
B01D SEPARATION 1133
 
  
 
B01L CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE 157
 
  
 
C12N MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF 1166
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5508005 Non-screeching laboratory articleOct 26, 93Apr 16, 96[B01L]
5449917 Method and apparatus for forming a plurality of tracks in a flexible workpiece with a high energy particleApr 12, 94Sep 12, 95[H01J]
5376273 Supported microporous membraneJun 25, 93Dec 27, 94[B01D]
5272083 Culture device and method of use having a detachable cell or tissue growth surfaceMay 28, 91Dec 21, 93[C12N, C12M]
5215920 Apparatus for growing tissue cultures in vitroMay 03, 91Jun 01, 93[C12M]
5110556 Multi-well test plateAug 22, 91May 05, 92[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5650323 System for growing and manipulating tissue cultures using 96-well format equipmentExpiredJun 26, 91Jul 22, 97[C12M]
5516564 Sterile irradiated hydrophobic pipette tipExpiredApr 28, 93May 14, 96[B29D, B65D, B32B, B65B]
5139951 Culture device having a detachable cell or tissue growth surfaceExpiredOct 10, 90Aug 18, 92[C12M]
5104624 PipetterExpiredApr 08, 91Apr 14, 92[B01L]
5084246 Multi-well test plateExpiredOct 28, 86Jan 28, 92[G01N]
5026649 Apparatus for growing tissue cultures in vitroExpiredMar 20, 86Jun 25, 91[C12M]
4948564 Multi-well filter strip and composite assembliesExpiredNov 02, 89Aug 14, 90[B01L, G01N]
4927604 Multiwell filter plate vacuum manifold assemblyExpiredDec 05, 88May 22, 90[G01N]
4927764 Tissue culture flaskExpiredNov 17, 87May 22, 90[C12M, B01L]
4895706 Multi-well filter strip and composite assembliesExpiredApr 28, 88Jan 23, 90[B01L, G01N]
D302855 Multi-channel pipetterExpiredJan 28, 87Aug 15, 89[]
4824642 Multi-channel pipetterExpiredOct 21, 86Apr 25, 89[G01N]
4770854 Laboratory flaskExpiredFeb 03, 86Sep 13, 88[C12M]
4690757 Small volume laboratory filterExpiredMar 21, 86Sep 01, 87[B01D]
4683058 Filter for centrifuge tubeExpiredMar 20, 86Jul 28, 87[B01D]

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