ClassID:

7529

A44C17/001 - CPC Classification

Classification description:

Gems or the like Faceting gems

Recent Application in this class:
#1
20260137178
2026-05-21

CUT STONE AND ITS PRODUCTION METHOD

#2
20260108027
2026-04-23

GEMSTONE AND METHODS OF CUTTING THE SAME

#3
20250107600
2025-04-03

GEMSTONE

#4
20240389723
2024-11-28

GEMSTONE AND METHODS OF CUTTING THE SAME

#5
20240358126
2024-10-31

GEMSTONE AND METHODS OF CUTTING THE SAME

#6
20240197046
2024-06-20

Gemstone and methods of cutting the same

#7
20240164493
2024-05-23

Gemstone and method of cutting the same

#8
20240164492
2024-05-23

Gemstone and methods of cutting the same

#9
20240156219
2024-05-16

Gemstone and methods of cutting the same

#10
20240114982
2024-04-11

DIAMOND BOW TIE QUALIFICATION SYSTEM

#11
20230225467
2023-07-20

Gemstone and methods of cutting the same

#12
20230225466
2023-07-20

Gemstone and methods of cutting the same

#13
20230218052
2023-07-13

METHOD FOR CORING AND SLICING A CVD DIAMOND PRODUCT AND APPARATUS FOR CARRYING IT OUT

#14
20230100222
2023-03-30

AUTOMATED APPARATUS AND METHOD FOR OBJECT FACETING

#15
20230068790
2023-03-02

Four-stone seamless cushion cut diamond and method for making the same

#16
20220349830
2022-11-03

Gemstone planning

#17
20220287421
2022-09-15

Decorative structure

#18
20220134477
2022-05-05

Method and apparatus for manufacturing a workpiece into a product

#19
20220061479
2022-03-03

MULTI-LAYER OF DECORATIVE FACETED FASHION JEWELLERY STONES FOR TECHNICAL USE

#20
20220039525
2022-02-10

Gemstone and methods of cutting the same

#21
20220031030
2022-02-03

Gemstone

#22
20210361040
2021-11-25

Gemstone and methods of cutting the same

#23
20210244140
2021-08-12

Diamond cuts providing increased light amplification

#24
20210235823
2021-08-05

DIAMOND BASED GEM AND METHOD OF MAKING SAME

#25
20210219676
2021-07-22

Gemstone and methods of cutting the same

#26
20210212422
2021-07-15

Gemstone and methods of cutting the same

#27
20210212421
2021-07-15

Gemstone and methods of cutting the same

#28
20210137228
2021-05-13

Size enhancer precious stone setting

#29
20210024017
2021-01-28

Decorative composite body

#30
20210022460
2021-01-28

Piece of jewellery, method for cutting a stone, in particular a diamond, and associated mounting pin

#31
20200288827
2020-09-17

Cut for gemstone

#32
20200214406
2020-07-09

GEMSTONE

#33
20200187606
2020-06-18

A GEMSTONE WITH A HEART SHAPE AT THE CENTRE AND ITS METHOD OF MANUFACTURE

#34
20200171607
2020-06-04

System and method for creation of a predetermined structure from a diamond bulk

#35
20200121040
2020-04-23

Fabricating diffractive structures on gemstones for high optical performance

#36
20200077754
2020-03-12

GEMSTONE HAVING HEARTS AND ARROWS CUSHION-CUT

#37
20200060394
2020-02-27

Faceted gemstone with enhanced color dispersion and diminished haze

#38
20200022470
2020-01-23

UNIQUELY CUT GEMSTONE WITH A HEART SHAPE AT THE CENTRE AND ITS METHOD OF MANUFACTURE

#39
20200008544
2020-01-09

Faceted gemstone for focal point illumination and method of making faceted gemstone

#40
20190350322
2019-11-21

GEMSTONE FACET IMAGE ILLUMINATION

#41
20190343246
2019-11-14

Four-stone seamless cushion cut diamond and method for making the same

#42
20190335863
2019-11-07

Diamond with ten hearts and ten arrows

#43
20190298011
2019-10-03

GEMSTONE

#44
20190223565
2019-07-25

Gemstone

#45
20190223564
2019-07-25

GEMSTONE CUT

#46
20190142119
2019-05-16

FOUR-STONE SEAMLESS RADIANT CUT DIAMOND AND METHOD FOR MAKING THE SAME

#47
20190133269
2019-05-09

Process of cutting and assembling diamonds to form composite diamond having enhanced brilliance and shade

#48
20190037980
2019-02-07

Managing optical characteristics of gemstones with diffractive structures

#49
20180360175
2018-12-20

METHOD AND APPARATUS FOR MACHINING DIAMONDS AND GEMSTONES USING FILAMENTATION BY BURST ULTRAFAST LASER PULSES

#50
20180271234
2018-09-27

Gemstone and method for producing the same

#51
20180168298
2018-06-21

Jewelry setting system

#52
20180168297
2018-06-21

Four-stone seamless radiant cut diamond and method for making the same

#53
20180168296
2018-06-21

FOUR-STONE SEAMLESS CUSHION CUT DIAMOND AND METHOD FOR MAKING THE SAME

#54
20180146751
2018-05-31

GEMSTONE HAVING HEARTS AND ARROWS PATTERN AND METHOD OF CUTTING THE SAME

#55
20180042344
2018-02-15

GEMSTONE

#56
20180020790
2018-01-25

Diamond with eighty-one facets having a ten hearts and ten arrows inner structure and a cutting method thereof

#57
20170303647
2017-10-26

CUT GEM AND ARTICLE COMPRISING SUCH A GEM

#58
20170196318
2017-07-13

ENGRAVING METHOD AND PATTERN FOR INCREASING BRILLIANCE OF FLAT CUT GEMSTONE

#59
20170181511
2017-06-29

METHOD AND SYSTEM FOR GEMSTONES

#60
20170065040
2017-03-09

BRILLIANTIZED GEMSTONE AND METHOD OF MANUFACTURE

#61
20160366993
2016-12-22

Oval shaped diamond cut having hearts and arrows pattern

#62
20160309860
2016-10-27

More stable princess cut diamond

#63
20160120274
2016-05-05

Step-cut gemstone

#64
20160066663
2016-03-10

CUSHION SHAPED HEARTS AND ARROWS GEMSTONE AND METHOD

#65
20160007699
2016-01-14

Square princess cut gemstone

#66
20150359303
2015-12-17

Timepiece part, and method for producing such a timepiece part

#67
20150320153
2015-11-12

Circular cut diamond

#68
20150201720
2015-07-23

Chaton cut for a gemstone made of topaz

#69
20150173469
2015-06-25

Cushion cut gemstone with excellent optical brilliance

#70
20150121960
2015-05-07

METHOD AND APPARATUS FOR MACHINING DIAMONDS AND GEMSTONES USING FILAMENTATION BY BURST ULTRAFAST LASER PULSES

#71
20150059404
2015-03-05

COLORFUL AND BRIGHT DIAMOND

#72
20150052947
2015-02-26

GEMSTONE CUT

#73
20150020544
2015-01-22

Cushion shaped hearts and arrows gemstone and method

#74
20140290638
2014-10-02

GEMSTONE AND METHOD FOR CUTTING THE SAME

#75
20140116088
2014-05-01

GEMSTONE CUT

#76
20140107986
2014-04-17

Method and system for improved optical modeling of gemstones

#77
20140067331
2014-03-06

Gemstone cut grading method and apparatus

#78
20140033765
2014-02-06

Method for determining a cut for a gemstone

#79
20140026616
2014-01-30

Decagonal shaped diamond which displays hearts and arrows pattern

#80
20140013801
2014-01-16

Hearts & Arrows SiC Gemstone

#81
20130327090
2013-12-12

Hearts & Arrows SiC Gemstone

#82
20130319045
2013-12-05

Silicon Carbide Krupps Cut Gemstone

#83
20130298605
2013-11-14

Silicon Carbide Asscher Cut Gemstone

#84
20130291589
2013-11-07

Silicon Carbide Princess Cut Gemstone

#85
20130213090
2013-08-22

Hearts & Arrows SiC Cushion-Cut Gemstone

#86
20130192579
2013-08-01

Gemstone production from CVD diamond plate

#87
20130125585
2013-05-23

Heart shaped diamond cut and method having hearts and arrows pattern

#88
20130055763
2013-03-07

Hearts & Arrows SiC Gemstone

#89
20130042648
2013-02-21

FACET PATTERNS AND ARRANGEMENTS FOR GEMSTONES

#90
20130019636
2013-01-24

Modified princess cut diamond having hearts and arrows pattern and method

#91
20120297826
2012-11-29

Gemstone cut with improved characteristics

#92
20120291487
2012-11-22

GEMSTONE OF NATURAL DIAMOND AND METHOD APPLIED THERETO

#93
20120227444
2012-09-13

Gemstone with a chaton cut

#94
20120180525
2012-07-19

Cut gemstone providing a specific optical pattern

#95
20120096898
2012-04-26

Product with Improved Optical Characteristics

#96
20120079853
2012-04-05

GEM WITH BRILLIANT CUT

#97
20120060557
2012-03-15

Cut Product, in Particular Diamond, with Improved Characteristics and Method for Manufacturing Such a Product

#98
20120047948
2012-03-01

MULTIFACETED GEMSTONES WITH CONNECTING LINK

#99
20120024010
2012-02-02

Enhancing the optical characteristics of a gemstone

#100
20120024009
2012-02-02

MULTI-FACETED GEMSTONE FOR MULTI-STONE JEWELRY ITEM

#101
20110302960
2011-12-15

Cut gemstone providing a specific optical pattern

#102
20110265514
2011-11-03

METHOD OF CUTTING DIAMONDS

#103
20110239705
2011-10-06

DECORATIVE JEWEL AND METHOD FOR CUTTING DECORATIVE JEWEL

#104
20110146350
2011-06-23

Round brilliant cut gemstone and method for cutting the same

#105
20110146349
2011-06-23

Gemstone

#106
20110041555
2011-02-24

Gemstone setting including a gem faceted to display a plurality of images from an outer focal region

#107
20110016918
2011-01-27

ORNAMENTAL DIAMOND HAVING TWO-STAGE PAVILION

#108
20110000259
2011-01-06

Gemstone and method for cutting the same

#109
20100282234
2010-11-11

Diamond having two-stage pavilion

#110
20100250201
2010-09-30

Method and system for improved optical modeling of gemstones

#111
20100242540
2010-09-30

GEMSTONE HAVING A MIRROR-COATED FRONT

#112
20100154473
2010-06-24

Round brilliant cut diamond and its incision method

#113
20100059034
2010-03-11

Gemstone production from CVD diamond plate

#114
20100010752
2010-01-14

System and method for gemstone cut grading

#115
20100010751
2010-01-14

System and method for gemstone cut grading

#116
20100000507
2010-01-07

ANGLE CUT ON CVD DIAMOND

#117
20090308104
2009-12-17

Gemstone cut

#118
20090260396
2009-10-22

METHODS FOR PROCESSING ORNAMENTAL DIAMONDS AND CORRESPONDING ORNAMENTAL DIAMONDS

#119
20090183525
2009-07-23

Cut gemstone exhibiting excellent optical brilliance

#120
20090178438
2009-07-16

DECAGONAL SHAPED DIAMOND WHICH DISPLAYS HEARTS AND ARROWS PATTERN

#121
20090126402
2009-05-21

Gemstones and methods for controlling the appearance thereof

#122
20090056374
2009-03-05

Gemstone Facet Configuration

#123
20090038341
2009-02-12

Round brilliant cut diamond and its incision method

#124
20080271488
2008-11-06

Oval shaped diamond cut having hearts and arrows pattern

#125
20080271487
2008-11-06

Triangular star shaped diamond having hearts and arrows pattern

#126
20080271486
2008-11-06

Hexagon shaped diamond which displays hearts and arrows pattern

#127
20080271485
2008-11-06

Triangular shaped diamond which displays hearts and arrows pattern

#128
20080271484
2008-11-06

Heart shaped diamond cut having hearts and arrows pattern

#129
20080190139
2008-08-14

Precious, Semiprecious or Mineral Cut Stone, and the Method of Cutting Same

#130
20080184739
2008-08-07

Gemstone setting including a gem faceted to display a plurality of images from an outer focal region

#131
20080148772
2008-06-26

Precious and Semiprecious Stone Cut

#132
20080034793
2008-02-14

Gemstone cut

#133
20070261440
2007-11-15

LIBERTY CUT GEMSTONE

#134
20070186586
2007-08-16

Oval-cut diamond

#135
20070186585
2007-08-16

Oval-cut diamond

#136
20070157667
2007-07-12

Enhancing the optical characteristics of a gemstone

#137
20070113586
2007-05-24

Modified princess cut diamond having hearts and arrows pattern and method

#138
20070089458
2007-04-26

Faceted gemstone

#139
20070006616
2007-01-11

DIAMOND CUT

#140
20060137674
2006-06-29

Diamond cutting method and diamond provided by the method

#141
20060124119
2006-06-15

Method for cutting diamond

#142
20060086143
2006-04-27

Round cut gemstone

#143
20060074588
2006-04-06

System and method for gemstone cut grading

#144
20060037360
2006-02-23

Stone cut and method of making

#145
20060026991
2006-02-09

Method for cutting diamond and diamond proportion

#146
20050252241
2005-11-17

Diamond cut

#147
20050166635
2005-08-04

Cut design of diamonds providing plenty of visual-perceptible reflection for ornamental use and observation method thereof

#148
20050160766
2005-07-28

Diamond cut

#149
20050115275
2005-06-02

Rounded rectangular gemstone

#150
20050081563
2005-04-21

Gemstone cut

#151
20050050921
2005-03-10

Diamond cut

#152
20050011226
2005-01-20

Precious stone cut and method of making

#153
20050005641
2005-01-13

Diamond cutting method, enneahedral-cut diamonds and assembly of enneahedral-cut diamonds

#154
20050005640
2005-01-13

Gemstone and corresponding method of cutting

#155
20050000405
2005-01-06

Celebration diamond having dome-shaped crown with pavilion

#156
20050000246
2005-01-06

Method of faceting of gemstones to produce spiraling effect

#157
16431364
2022-10-25

Emerald-cut diamond method

#158
15870404
2020-02-04

Methods, systems, and media for rating and analyzing diamonds

#159
15717472
2019-09-10

Maximum light performance gemstone cutting technique

#160
15662843
2019-10-22

Emerald-cut diamond