GEMOLOGICAL INSTITUTE OF AMERICA, 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 9197
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 7198
 
  
 
A44C JEWELLERY; BRACELETS; OTHER PERSONAL ADORNMENTS; COINS 119
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B44B MACHINES, APPARATUS, OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING 16
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
H01S DEVICES USING STIMULATED EMISSION191

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8760758 Reflected dark field method and apparatusOct 12, 12Jun 24, 14[G01N]
8724217 Reflected dark field method and apparatusOct 12, 12May 13, 14[G01N, G02B]
8289621 Reflected dark field method and apparatusOct 07, 08Oct 16, 12[G02B]
8239143 System and method for gemstone cut gradingJul 13, 09Aug 07, 12[G06F, G01R]
8120758 Fast UV-VIS-NIR absorption spectrometer system and methodFeb 27, 09Feb 21, 12[G01N]
8095325 System and method for gemstone cut gradingJun 30, 09Jan 10, 12[G06B, G06F]
7834987 Systems and methods for evaluating the appearance of a gemstoneMar 22, 06Nov 16, 10[G01N]
7571060 System and method for gemstone cut gradingSep 27, 04Aug 04, 09[G06F, G01B]
7515251 Fluorescence measuring device for gemstonesAug 24, 07Apr 07, 09[G01N]
7436497 Apparatus and method for providing spot lighting for gemstone observationMar 21, 06Oct 14, 08[G01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0008,925 Gem identification viewerAbandonedAug 16, 01Jan 24, 02[G02B]

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