ClassID:

59438

B43K7/08 - CPC Classification

Classification description:

Ball-point pens; Ink reservoirs; Ink cartridges Preventing leakage

Recent Application in this class:
#1
20250033402
2025-01-30

WRITING IMPLEMENT

#2
20240042735
2024-02-08

Liquid storage member for coating tools

#3
20220080767
2022-03-17

Writing instrument

#4
20210178803
2021-06-17

Writing tool provided with refill

#5
20200094609
2020-03-26

Pressure difference compensation membrane

#6
20200047540
2020-02-13

Writing instrument

#7
20190337323
2019-11-07

Refill for writing implements and writing implements using the same

#8
20190283485
2019-09-19

Liquid ink writing instrument

#9
20190152253
2019-05-23

Pressure difference compensation membrane

#10
20190143739
2019-05-16

Pressure regulating device for writing tool and writing tool having the same

#11
20180086133
2018-03-29

Writing instrument

#12
20160229218
2016-08-11

Writing instrument and ink cartridge

#13
20160177114
2016-06-23

Oil-based ball-point pen refill, oil-based ball-point pen, and oil-based ball-point pen ink composition

#14
20150376423
2015-12-31

Water-based ink composition and water-based ballpoint pen

#15
20150367673
2015-12-24

Component for writing, drawing, painting and/or cosmetic implements and method for the production thereof

#16
20150336420
2015-11-26

Writing instrument

#17
20150298489
2015-10-22

Writing instrument

#18
20150078803
2015-03-19

Ballpoint pen

#19
20130121744
2013-05-16

Thermochromic writing instrument

#20
20120308290
2012-12-06

Writing instrument

#21
20120107036
2012-05-03

Writing pen with ink storage

#22
20100178098
2010-07-15

Writing implement comprising a device for venting the reservoir

#23
20100158600
2010-06-24

Writing instrument containing a granular material in the ink chamber

#24
20100098476
2010-04-22

Thermochromic writing instrument

#25
20100086343
2010-04-08

REGULATOR STRUCTURE OF CARTRIDGE ROLLER BALL PEN

#26
20100074672
2010-03-25

WRITING INSTRUMENT

#27
20090136283
2009-05-28

WRITING INSTRUMENT FOR HAND-HELD DEVICES

#28
20090028628
2009-01-29

Direct liquid-writing instrument

#29
20080101849
2008-05-01

Ballpoint pen

#30
20080063463
2008-03-13

Liquid supply device

#31
20070292200
2007-12-20

Water-based ballpoint pen

#32
20070248401
2007-10-25

Liquid supply implement

#33
20070237569
2007-10-11

Ink backflow preventive for water-based ball-point pens

#34
20070070165
2007-03-29

Coating tool

#35
20070020031
2007-01-25

Follower for non-aqueous ball point pen and non-aqueous ball point pen

#36
20060263144
2006-11-23

Marking instrument

#37
20060222446
2006-10-05

Applicator device

#38
20060222444
2006-10-05

Applicator device

#39
20060210348
2006-09-21

Writing instruments

#40
20060117996
2006-06-08

Oil-based ink composition for ballpoint pen using oil-based ink

#41
20060075924
2006-04-13

Refill for correction pen and refill unit

#42
20060047017
2006-03-02

Ink follower

#43
20060013641
2006-01-19

Ink composition for pressurized ball-point pen and pressurized ball-point pen

#44
20050232685
2005-10-20

Writing instrument

#45
20050228070
2005-10-13

Oil-based ink composition for ballpoint pen and ball-point pen using oil-based ink

#46
20050169694
2005-08-04

Ink reservoir for writing instrument

#47
20050123341
2005-06-09

Refill for oil-based ink ballpoint pen and oil-based ink ballpoint pen

#48
20050117960
2005-06-02

Gas pressurized writing instrument and writing instrument refill

#49
20050079001
2005-04-14

Gas-pressurized writing instrument and writing instrument refill

#50
20050074273
2005-04-07

Ink follower for water-based ink ballpoint pen

#51
20050019090
2005-01-27

Water-based ballpoint pen