ClassID:

126705

D21G3/00 - CPC Classification

Classification description:

Doctors

Sub-classes:
Recent Application in this class:
#1
20250354027
2025-11-20

INK JET PRIMER APPLIED ON A CORRUGATOR

#2
20240102244
2024-03-28

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

#3
20220243398
2022-08-04

Systems and methods for providing doctor blade holders with vibration mitigation

#4
20190360156
2019-11-28

HINGE/TAPER CLAMP ROD HOLDER INSERT

#5
20190242061
2019-08-08

System and a method for collecting and handling dust in a paper-making environment

#6
20190224601
2019-07-25

Dust-handling device for collecting and handling dust in a paper-making environment

#7
20180171557
2018-06-21

Support Plate for a Doctor of a Fiber Web Machine and Doctor Assembly of a Fiber Web Machine and Method in a Doctor of a Fiber Web Machine

#8
20180105989
2018-04-19

Hinge/taper clamp rod holder insert

#9
20170268172
2017-09-21

Supporting mechanism for a papermaking machine dewatering blade

#10
20170144184
2017-05-25

Apparatus with pad having a fabric structure to apply a liquid

#11
20160340830
2016-11-24

Method for early warning chatter detection and asset protection management

#12
20160070226
2016-03-10

Doctor apparatus and blade holder

#13
20150211180
2015-07-30

Roll cleaning apparatus

#14
20150075742
2015-03-19

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

#15
20140196860
2014-07-17

Device for retaining doctor blades

#16
20140123431
2014-05-08

Roller cleaning assembly

#17
20140041577
2014-02-13

Hinge/taper clamp rod holder insert

#18
20130269897
2013-10-17

IMPREGNATED BLADE COATING

#19
20130269896
2013-10-17

Doctor blade for a fiber web machine and doctor arrangement in a fiber web machine

#20
20130224384
2013-08-29

Apparatus wtih pad having a fabric structure to apply a liquid

#21
20130139988
2013-06-06

Planar Elements for Use in Papermaking Machines

#22
20130103326
2013-04-25

Method for early warning chatter detection and asset protection management

#23
20120260452
2012-10-18

Systems and methods for cleaning and conditioning a moving surface using cleaning apparatus with plate elements for mounting to doctor blade holders

#24
20120216978
2012-08-30

Roll Cleaning Apparatus

#25
20120145347
2012-06-14

DRY END WEB TRANSPORT SYSTEM

#26
20120119007
2012-05-17

METHOD FOR COATING A WEAR PART, USE OF A WEAR PART COATED ACCORDING TO THE METHOD, WEAR PART AND REFINER

#27
20120055646
2012-03-08

Doctor blade with sensing system

#28
20100236009
2010-09-23

ROLL CLEANING APPARATUS

#29
20100218909
2010-09-02

Systems and methods for cleaning and conditioning a moving surface using cleaning apparatus with plate elements for mounting to doctor blade holders

#30
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

#31
20100200187
2010-08-12

Systems and methods for providing improved dewatering performance in a papermaking machine

#32
20100186770
2010-07-29

Systems and methods for providing improved dewatering performance in a papermaking machine

#33
20090159229
2009-06-25

Functional Composition, and Method for Improvement in Detachability of Wet Paper Using the Same

#34
20090126764
2009-05-21

Method and system for collecting paper dust

#35
20090056051
2009-03-05

Roll cleaning apparatus

#36
20080264592
2008-10-30

Creping foil for redirecting dust

#37
20080121770
2008-05-29

Device for Detachably Fixing a Holder for a Doctor Blade in a Paper Production Plant

#38
20070018028
2007-01-25

Stabilizing apparatus for paper webs in the course of formation

#39
20050279478
2005-12-22

Planar elements for use in papermaking machines

#40
20050177971
2005-08-18

Roll cleaning apparatus

#41
20050161185
2005-07-28

Device for stabilizing a paper web

#42
20050051292
2005-03-10

Creping blade

#43
20050022729
2005-02-03

Cleaning and coating apparatus, and a method for a moving surface