Cortana Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F17D PIPE-LINE SYSTEMS; PIPE-LINES 311
 
  
 
F15C FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES 210
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 137
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8039055 Method to increase the efficiency of polymer drag reduction for marine and industrial applicationsJan 02, 08Oct 18, 11[B05D, B63B]
RE41398 Design of viscoelastic coatings to reduce turbulent friction dragFeb 10, 05Jun 29, 10[G01N]
6516652 Design of viscoelastic coatings to reduce turbulent friction dragApr 10, 00Feb 11, 03[G01N]
6435214 Apparatus for reducing dissipation rate of fluid ejected into boundary layerMay 29, 01Aug 20, 02[F15C]
6357374 Method and apparatus for increasing the effectiveness and efficiency of multiple boundary layer control techniquesJul 21, 00Mar 19, 02[B63B]
6357464 Method for reducing dissipation rate of fluid ejected into boundary layerAug 10, 01Mar 19, 02[F17D]
6349734 Method for reducing dissipation rate of fluid ejected into boundary layerOct 30, 00Feb 26, 02[F17D]
6305399 Method for reducing dissipation rate of fluid ejected into boundary layerAug 11, 00Oct 23, 01[F17D]
6237636 Apparatus for reducing dissipation rate of fluid ejected into boundary layerApr 03, 00May 29, 01[F15C]
6200014 Method and apparatus for mixing high molecular weight materials with liquidsDec 31, 98Mar 13, 01[B01F]

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Expired/Abandoned/Withdrawn Patents

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