ClassID:

126706

D21G3/005 - CPC Classification

Classification description:

Doctors Doctor knifes

Recent Application in this class:
#1
20260071383
2026-03-12

FIBER BODY PRODUCTION APPARATUS AND FIBER BODY PRODUCTION METHOD

#2
20250033314
2025-01-30

CREPING BLADE FOR TISSUE MAKING

#3
20240262071
2024-08-08

Blade and creping arrangement

#4
20240229357
2024-07-11

Fibrous Structures

#5
20240191432
2024-06-13

Set for Maintenance of a Doctor Blade in a Fiber Web Machine and Doctor Arrangement in a Fiber Web Machine

#6
20240102244
2024-03-28

Stud for a Doctor Blade Holder in a Fiber Web Machine and Doctor Blade Assembly for a Fiber Web Machine

#7
20240084510
2024-03-14

Bracket for a pivot rod in a doctor arrangement and doctor arrangement for a fiber web machine

#8
20240011222
2024-01-11

A YANKEE DRYING CYLINDER AND A TISSUE PAPER MAKING MACHINE

#9
20230203754
2023-06-29

METHOD AND APPARATUS FOR EVALUATING A HEALTH STATUS OF A DOCTOR BLADE OF A PAPERMAKING MACHINE, AND COMPUTING DEVICE

#10
20230203753
2023-06-29

METHOD AND APPARATUS FOR ANOMALY DETECTION ON A DOCTOR BLADE OF A PAPERMAKING MACHINE, AND COMPUTING DEVICE

#11
20230151546
2023-05-18

BIO-COMPOSITE SUSTAINABLE DOCTOR BLADE

#12
20230027102
2023-01-26

CREPED FIBROUS STRUCTURES

#13
20230001442
2023-01-05

Die coating on air supported shell

#14
20220403596
2022-12-22

Elongated component for a manufacturing machine of a fibrous cellulosic web, its use and method for recycling

#15
20220379577
2022-12-01

Creping blade for tissue making

#16
20220356647
2022-11-10

Doctor device and method for determining the contact pressure of a doctor

#17
20220243398
2022-08-04

Systems and methods for providing doctor blade holders with vibration mitigation

#18
20220178076
2022-06-09

Fibrous structures

#19
20220098795
2022-03-31

Blowing equipment for doctor equipment of a fiber web machine and fiber web machine doctor equipment equipped with blowing equipment

#20
20220064866
2022-03-03

Fibrous structures

#21
20210316329
2021-10-14

DOCTOR BLADE WITH POLYMERIC RETENTION MEANS, DOCTOR BLADE HOLDER COMPRISING SUCH A DOCTOR BLADE AND METHOD FOR PROVIDING RETENTION MEANS ON A DOCTOR BLADE

#22
20210301466
2021-09-30

Monitoring apparatus and monitoring method

#23
20200354896
2020-11-12

Creped fibrous structures

#24
20200147919
2020-05-14

Doctor blade device

#25
20200109520
2020-04-09

Fibrous structures

#26
20200048837
2020-02-13

Sheet characterization of crepe paper

#27
20190360156
2019-11-28

HINGE/TAPER CLAMP ROD HOLDER INSERT

#28
20190301098
2019-10-03

Wear composites including one or more metal layers

#29
20190136459
2019-05-09

Creped fibrous structures

#30
20190120811
2019-04-25

Deposit detection in a paper making system via vibration analysis

#31
20190112765
2019-04-18

Masked coating blade

#32
20190062997
2019-02-28

Methods of making paper products using a molding roll

#33
20190001585
2019-01-03

Conditioning doctor blade for fiber web machine

#34
20180320315
2018-11-08

Doctor blade holder for cylinders, and system comprising a cylinder and a doctor blade holder

#35
20180320314
2018-11-08

Rigid and flexible doctor blade holder and system comprising a cylinder and a doctor blade holder

#36
20180319153
2018-11-08

Doctor blade, inking arrangement and use of doctor blade in flexographic printing

#37
20180112361
2018-04-26

Differential pillow height fibrous structures

#38
20180112358
2018-04-26

Fibrous structures

#39
20180112357
2018-04-26

Fibrous structures

#40
20180105989
2018-04-19

Hinge/taper clamp rod holder insert

#41
20180100271
2018-04-12

Doctor control systems for papermaking machines and related methods

#42
20180022055
2018-01-25

Doctor blade device

#43
20170348723
2017-12-07

Doctor blade handling system

#44
20170342660
2017-11-30

Long life cermet coated creping blade

#45
20170044719
2017-02-16

Doctor blade holders and doctor blade holder systems including planar elements with three dimensional fabric reinforcement materials

#46
20170016181
2017-01-19

Doctor control systems for papermaking machines and related methods

#47
20160138223
2016-05-19

Doctor Device For Fiber Web Machine And Doctor Arrangement In Fiber Web Machine

#48
20160070226
2016-03-10

Doctor apparatus and blade holder

#49
20150159327
2015-06-11

Doctor for a paper machine

#50
20150122444
2015-05-07

Doctor blade holder systems

#51
20150075928
2015-03-19

SYSTEMS AND METHODS FOR PROVIDING DOCTOR BLADE HOLDERS WITH VIBRATION MITIGATION

#52
20150075742
2015-03-19

Systems and methods for doctor blade load and vibration measurement as well as blade vibration mitigation

#53
20140137361
2014-05-22

DIRT-REPELLENT CLEANING SCRAPER

#54
20140106113
2014-04-17

Doctor blade material

#55
20140041577
2014-02-13

Hinge/taper clamp rod holder insert

#56
20140023846
2014-01-23

Doctor blade including combination carbon/glass yarns

#57
20130174779
2013-07-11

Blade coating

#58
20120167330
2012-07-05

Doctor blade holder

#59
20120122376
2012-05-17

PRE-HONED DOCTOR BLADE WITH A CURVED PROFILE LAMELLA AND METHOD FOR PRODUCING SAID DOCTOR BLADE

#60
20120060317
2012-03-15

SCRAPER

#61
20120012268
2012-01-19

Blade, structural components of a blade, and method for manufacturing a blade and the structural components of a blade

#62
20120012267
2012-01-19

DOCTOR BLADE ARRANGEMENT AND METHOD IN FIBRE PROCESSING

#63
20110226144
2011-09-22

DIAMOND-COATED DOCTOR BLADE

#64
20110099744
2011-05-05

SCRAPER

#65
20110026993
2011-02-03

POSITIONABLE DOCTOR BLADE HOLDERS INCLUDING AT LEAST ONE INTERNAL PLENUM

#66
20100300638
2010-12-02

Doctor blade for the paper industry

#67
20100243189
2010-09-30

Apparatus and method for pivotal mounting of a doctor blade assembly in a paper machine

#68
20100215857
2010-08-26

Doctor apparatus and a method for a web forming machine for doctoring a moving surface as well as a blade holder

#69
20100018661
2010-01-28

Scraping apparatus for the paper industry

#70
20090308270
2009-12-17

DOCTOR BLADE

#71
20090226706
2009-09-10

Doctor blade and method for manufacture of doctor blade

#72
20090221205
2009-09-03

Doctor Blade for the Roll of a Paper or Board Machine and Method for Manufacturing the Doctor Blade

#73
20090220819
2009-09-03

BIMETALLIC DOCTOR BLADE WITH WORKING EDGE PRODUCED BY POWDER METALLURGY

#74
20090208706
2009-08-20

Blade Apparatus and Method of Manufacture Therefor

#75
20090188643
2009-07-30

Creping blade

#76
20090148208
2009-06-11

Integrated doctor blade holders

#77
20090065165
2009-03-12

Scraper blade holding device with scraper blade carrier

#78
20080292378
2008-11-27

Doctor device and blade exchange method for doctor device

#79
20080235960
2008-10-02

Blade, structural components of a blade, and method for manufacturing a blade and the structural components of a blade

#80
20080190579
2008-08-14

Doctor blade holder permitting efficient assembly of doctor assemblies and replacement of doctor blades

#81
20080163997
2008-07-10

Spring Doctor

#82
20080127495
2008-06-05

Pre-honed doctor blade with a curved profile lamella and method for producing said doctor blade

#83
20080096037
2008-04-24

Sreading knives, doctor blades and crepe scrapers and powder metallurgical method for producing the same

#84
20080041011
2008-02-21

Beam construction and method for manufacturing the same

#85
20080023168
2008-01-31

Creping blade with a highly smooth bevel surface

#86
20070187057
2007-08-16

Device for detachably fixing a holder for a doctor blade in a paper production plant

#87
20070174990
2007-08-02

KEEP FOR DOCTOR BLADE HOLDER

#88
20070163738
2007-07-19

Beam structure for a web forming machine

#89
20070158045
2007-07-12

Edge-provided tool and method for the manufacture thereof

#90
20070052134
2007-03-08

PLANAR ELEMENTS INCORPORATING BASALT FIBERS FOR USE IN PAPERMAKING APPARATUS

#91
20070017392
2007-01-25

Doctor blade coated with polymeric material and coating method

#92
20060289141
2006-12-28

Composite doctor arrangement

#93
20060225647
2006-10-12

Doctor blade holder

#94
20060225589
2006-10-12

Doctoring apparatus

#95
20060185812
2006-08-24

Removable doctor blade holder with lockable mount

#96
20060180291
2006-08-17

Composite-construction treatment equipment

#97
20060150897
2006-07-13

Wear resistant coating blade or a corresponding blade for the treatment of a paper web

#98
20060144546
2006-07-06

Arrangement in an oscillator

#99
20060130749
2006-06-22

Composite doctor blade

#100
20060085938
2006-04-27

Beam structure for a paper, board or finishing machine

#101
20060078687
2006-04-13

Method and apparatus for making a wear resistant plating on a coating blade or the like

#102
20060054293
2006-03-16

Scraper blade mounting device

#103
20050279478
2005-12-22

Planar elements for use in papermaking machines

#104
20050223513
2005-10-13

Calibration device

#105
20050217818
2005-10-06

Universal doctor blade with indicia

#106
20050172444
2005-08-11

Method of making composite doctor blades

#107
20050160551
2005-07-28

Blade for a scraping device and method for manufacturing a blade of this kind

#108
20050121164
2005-06-09

Treatment equipment, including a beam, for a paper machine

#109
20050098292
2005-05-12

Doctor blade purge system

#110
20050087318
2005-04-28

Blade holding device, assembly including the same, and method of operating associated thereto

#111
20050076464
2005-04-14

Device for cleaning a roll in a paper production plant

#112
20050051292
2005-03-10

Creping blade