HANSON RESEARCH CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5682001 Dissolution test apparatus with counterbalance systemSep 03, 96Oct 28, 97[B01F]
5296139 Diffusion cell with filter screenJun 16, 93Mar 22, 94[B01D]
5198109 Diffusion cellMar 23, 92Mar 30, 93[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6076410 Liquid sample collector and liquid return apparatusExpiredAug 31, 98Jun 20, 00[G01N]
5639953 Alignment verification device for a rotating shaftExpiredFeb 26, 96Jun 17, 97[G01B]
D377152 Dissolution test apparatusExpiredFeb 26, 96Jan 07, 97[]

Top Inventors for This Owner

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