168155 ⎘
Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems specially adapted for particular applications Investigating jewels
Laser marking system
#302Microinscribed gemstone
#303Fluorescence measuring device for gemstones
#304Apparatus for determining the shape of a gemstone
#305Systems and methods for evaluating and displaying the dispersion of a diamond or other gemstone
#306JEWELRY INNER STRUCTURE DETECTING METHOD AND APPARATUS THEREOF
#307Enhancing the optical characteristics of a gemstone
#308Method and system for color grading of gemstones
#309Personalized gemstone certificate card
#310Apparatus for generating data for determining a property of a gemstone
#311System and method for video presentation of jewelry
#312Engraved gemstone viewer
#313Systems and methods for evaluating the appearance of a gemstone
#314Systems and methods for evaluating the appearance of a gemstone
#315Systems and methods for evaluating the appearance of a gemstone
#316System and method for generating a gemstone proportion graphic
#317Method and arrangement for non-destructive composition analysis of delicate samples
#318Method for grading gemstone cut and symmetry
#319Method and system for prediction the color of gemstones
#320Method and system for laser marking in the volume of gemstones such as diamonds
#321Systems and methods for evaluating the appearance of a gemstone
#322Fluorescence measuring device for gemstones
#323Apparatus and method for providing spot lighting for gemstone observation
#324Method and system for online evaluation of gemstones
#325Method and apparatus for object viewing, observation, inspection, identification, and verification
#326Method for discerning colorless and near colorless diamonds and arrangement for carrying out this method
#327Capture and display of image of three-dimensional object
#328System and method for three-dimensional location of inclusions in a gemstone
#329Fire demonstration tool and method for using thereof
#330Methods, apparatus, and systems for evaluating gemstones
#331Methods, apparatus, and systems for evaluating gemstones
#332Methods, apparatus, and systems for evaluating gemstones
#333Methods, apparatus, and systems for evaluating gemstones
#334Fluorescence measuring device for gemstones
#335Method for digital color grading of gems and communication thereof
#336Detection of imperfections in precious stones
#337Anti-fraud apparatus and method for protecting valuables
#338Laser marking system
#339Gem microscope having a swivel base and a stationary power cord
#340Gem microscope with portability kit
#341Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone
#342Apparatus for generating data for determining a property of a gemstone and methods and computer programs for determining a property of a gemstone
#343Apparatus and method for providing spot lighting for gemstone observation
#344Microinscribed gemstone
#345Method and apparatus for analyzing a gemstone
#346Gemstone inscription viewing system and applications thereof
#347System and method for gemstone identification
#348Comparing gemstone signatures using angular spectrum information
#349Passivation of nonlinear optical crystals
#350Comparing gemstone signatures using angular spectrum information
#351Methods, systems, and media for rating and analyzing diamonds
#352Rapid identification method of Argyle diamond's origin by charactristic Raman spectra
#353Method of rapid identification of natural and synthetic diamonds using third-order Raman spectra
#354Utility electronic precious gemstone type and quality detector