ClassID:

59450

B43K8/03 - CPC Classification

Classification description:

Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material Ink reservoirs; Ink cartridges

Recent Application in this class:
#1
20250275828
2025-09-04

SURGICAL SKIN MARKER

#2
20250010654
2025-01-09

A REPLACEABLE CARTRIDGE FOR A WRITING INSTRUMENT AND METHOD THEREOF

#3
20250000606
2025-01-02

Surgical skin marker

#4
20240300258
2024-09-12

Variable color shade marker

#5
20240140130
2024-05-02

Multi-posture bedside writing pen

#6
20240083192
2024-03-14

HETEROGENEOUS FIBER FLUID RESERVOIRS

#7
20240051329
2024-02-15

Writing implement

#8
20240042735
2024-02-08

Liquid storage member for coating tools

#9
20230373237
2023-11-23

Double-head marker pen

#10
20230226844
2023-07-20

WRITING INSTRUMENTS AND ASSOCIATED NIB ASSEMBLIES

#11
20230133997
2023-05-04

Marker pen with replaceable marker cartridge

#12
20220388330
2022-12-08

Nib for writing felt pen

#13
20220355612
2022-11-10

Liquid storage member for coating tools

#14
20220203750
2022-06-30

WRITING INSTRUMENTS

#15
20220080765
2022-03-17

Liquid applicator

#16
20220064464
2022-03-03

Dry Erase Inks, and Associated Methods and Writing Instruments

#17
20220061496
2022-03-03

Cosmetic applicator

#18
20220008306
2022-01-13

WATER-BASED LIQUID COSMETIC

#19
20210402824
2021-12-30

Applicator

#20
20210370706
2021-12-02

Heterogeneous fiber fluid reservoirs

#21
20210362533
2021-11-25

Writing instruments and associated methods

#22
20210221162
2021-07-22

Applicator

#23
20210138825
2021-05-13

Multicolor marker assembly

#24
20210138824
2021-05-13

Pen and pen refill

#25
20210122184
2021-04-29

Retractable Marker Assembly

#26
20210122183
2021-04-29

Liquid storage and release device and pen

#27
20210122182
2021-04-29

Nib for writing felt pen

#28
20210031556
2021-02-04

Refill for a writing felt pen

#29
20200398605
2020-12-24

Writing felt pen

#30
20200384794
2020-12-10

Direct liquid-type brush pen

#31
20200276855
2020-09-03

Writing instruments and associated methods

#32
20200230996
2020-07-23

Applicator with gas-liquid exchanging section and occluding body

#33
20200190346
2020-06-18

Oil-based ink composition for writing instrument

#34
20200129401
2020-04-30

Water-based liquid cosmetic

#35
20200121058
2020-04-23

Application container

#36
20200094609
2020-03-26

Pressure difference compensation membrane

#37
20200062977
2020-02-27

WRITING, MARKING, AND/OR DRAWING LIQUID FOR CAPILLARY SYSTEMS, ESPECIALLY FOR APPLICATOR IMPLEMENTS HAVING A CAPILLARY SYSTEM, AND APPLICATOR IMPLEMENT

#38
20190248171
2019-08-15

Direct-liquid writing instrument

#39
20190247143
2019-08-15

Marker Assembly for Use in Clinical Marking

#40
20190241006
2019-08-08

Refillable writing instrument

#41
20190152253
2019-05-23

Pressure difference compensation membrane

#42
20190143740
2019-05-16

Surgical marker

#43
20190084340
2019-03-21

Writing tool

#44
20190070890
2019-03-07

DEVICE FOR DISPENSING CHEMILUMINESCENT SOLUTION

#45
20180370274
2018-12-27

Writing instrument

#46
20180333979
2018-11-22

Writing tool and dispensing unit thereof

#47
20180311994
2018-11-01

Fluid applicator refill system

#48
20180066156
2018-03-08

Writing, marking and/or drawing liquid for writing implements, especially for capillary pens, and writing implement

#49
20180065400
2018-03-08

Surgical marker

#50
20170311696
2017-11-02

Pen and pen refill having a longitudinally extending groove for transferring decorative particles

#51
20170136804
2017-05-18

Roller-ball paint marker

#52
20170072735
2017-03-16

Angle-adjustable, gravity flow ink refill and pen

#53
20170028770
2017-02-02

Marker for optical mark response forms

#54
20170008330
2017-01-12

MARKER

#55
20170001465
2017-01-05

Reservoir type writing pen having micro-porous straight-liquid structure

#56
20160376458
2016-12-29

Thermochromic micro particles and thermochromic ink composition, writing apparatus and smart window using the same

#57
20160376457
2016-12-29

Thermochromic micro particles and thermochromic ink composition, writing apparatus and smart window using the same

#58
20160318333
2016-11-03

Marking device and method

#59
20160288561
2016-10-06

Writing instrument and ink cartridge

#60
20160257161
2016-09-08

Ink reservoir member for writing instrument, and valve type writing instrument using the same

#61
20160250884
2016-09-01

Pressure fluctuation buffering mechanism and applicator

#62
20160229218
2016-08-11

Writing instrument and ink cartridge

#63
20160075893
2016-03-17

Oil-based pigment ink composition and oil-based pigment ink writing tool

#64
20160046142
2016-02-18

MULTIFUNCTIONAL MARKING INSTRUMENT

#65
20160031256
2016-02-04

Marker maker

#66
20150298489
2015-10-22

Writing instrument

#67
20150224812
2015-08-13

Slide type writing tool having device for preventing dryness

#68
20150202912
2015-07-23

Refill for writing tool and writing tool

#69
20150165813
2015-06-18

Fingertip mountable writing instrument

#70
20150151565
2015-06-04

Writing instrument

#71
20150147473
2015-05-28

AIRBRUSH EFFECT SYSTEM

#72
20150086258
2015-03-26

Surgical marker

#73
20150063894
2015-03-05

Writing instrument having an ink balance mechanism

#74
20140223720
2014-08-14

Marker maker

#75
20140218737
2014-08-07

Marker for optical mark response forms

#76
20140186093
2014-07-03

Water-based ink composition and marking pen

#77
20140161508
2014-06-12

Refill plug release assembly and writing instrument comprising same

#78
20140140752
2014-05-22

Writing implement refill and writing implement

#79
20140023423
2014-01-23

Apparatus for selectably providing multiple colors of ink from a marker pen

#80
20140016987
2014-01-16

Applicator

#81
20130318761
2013-12-05

Multicolor writing tools and methods

#82
20130294811
2013-11-07

Ink-delivery systems

#83
20130271533
2013-10-17

Ink-delivery systems

#84
20130197358
2013-08-01

Method and device for surgical marking

#85
20130064597
2013-03-14

Writing instrument and ink cartridge unit

#86
20130064595
2013-03-14

Writing instrument

#87
20130061440
2013-03-14

Multicolor writing tools and methods

#88
20130004231
2013-01-03

APPLICATOR

#89
20120328354
2012-12-27

Click-type applicator

#90
20120207533
2012-08-16

MARKER PEN WITH A BENDING ASSEMBLY

#91
20120141188
2012-06-07

Reversibly thermochromic aqueous ink composition, and writing instrument and writing instrument set each utilizing same

#92
20120107036
2012-05-03

Writing pen with ink storage

#93
20120087708
2012-04-12

ELECTRICAL WIRE IDENTIFICATION MARKER

#94
20110310066
2011-12-22

DIGITAL PEN

#95
20110200380
2011-08-18

Multicolor writing tools and methods

#96
20110103875
2011-05-05

RETRACTABLE PUSH BUTTON PEN

#97
20110012965
2011-01-20

Ink delivery systems

#98
20100272499
2010-10-28

ENVIRONMENTALLY FRIENDLY DISPOSABLE PEN

#99
20100266328
2010-10-21

Applicator

#100
20100172689
2010-07-08

Writing implement

#101
20100158600
2010-06-24

Writing instrument containing a granular material in the ink chamber

#102
20100080645
2010-04-01

Whiteboard marker

#103
20100061793
2010-03-11

Million color pen

#104
20100047004
2010-02-25

Combination writing instrument

#105
20100003063
2010-01-07

Liquid applicator

#106
20090269122
2009-10-29

INK REPLENISHMENT CARTRIDGE AND ENCAPSULATED FIBER TYPE WRITING INSTRUMENT USING INK REPLENISHMENT CARTRIDGE

#107
20090245920
2009-10-01

Capless Retractable Marking Pen

#108
20090154983
2009-06-18

MULTI-COLOR WRITING AND PAINTING INSTRUMENTS WITH SINGLE NIB FED WITH USER-SELECTED COLORED INK

#109
20090154982
2009-06-18

Multicolor writing and painting instruments with multiple, bundled, hard, wear-resistant nibs

#110
20090035051
2009-02-05

Device for storing and applying a fluid product

#111
20090016804
2009-01-15

Written record pencil of s form to use liquid

#112
20090003919
2009-01-01

Marker for optical mark response forms

#113
20080260452
2008-10-23

Writing instrument, drawing instrument and/or marking instrument and reservoir for such instruments

#114
20080205964
2008-08-28

Ink Tube Structure

#115
20080063463
2008-03-13

Liquid supply device

#116
20080063462
2008-03-13

MARKING INSTRUMENTS AND METHODS OF MANUFACTURING MARKING INSTRUMENTS

#117
20070274767
2007-11-29

Permanent ink refill and permanent ink refillable writing instrument articles and methods

#118
20070274764
2007-11-29

Capless writing tools and methods

#119
20070274761
2007-11-29

Multicolor writing tools and methods

#120
20070248401
2007-10-25

Liquid supply implement

#121
20070053738
2007-03-08

Writing instrument, in particular a roller ball pen comprising an information support

#122
20060263144
2006-11-23

Marking instrument

#123
20060210348
2006-09-21

Writing instruments

#124
20060053975
2006-03-16

Color-memorizing photochromic writing instrument, color-memorizing photochromic writing instrument set using the same and method for alternately expressing color-memorizing photochromic function of writing image

#125
20050254881
2005-11-17

Flat Ink Cartridge for Writing Instruments

#126
20050249542
2005-11-10

Writing utensil

#127
20050226677
2005-10-13

Liquid applicator

#128
20050226675
2005-10-13

Single- or double-ended multi-section nib marker

#129
20050201814
2005-09-15

Illuminated highlighter and advertising vehicle

#130
20050169691
2005-08-04

Applicator

#131
20050100388
2005-05-12

Combination writing instrument

#132
18344983
2023-12-26

Marker retention and rotation device