ClassID:

121500

D01D4/025 - CPC Classification

Classification description:

Spinnerette packs; Cleaning thereof; Spinnerettes Melt-blowing or solution-blowing dies

Recent Application in this class:
#1
20260092405
2026-04-02

CO-MINGLING OF PARTICULATE MATERIAL AND CO-AXIAL-MELTBLOWN FIBERS

#2
20250354298
2025-11-20

SPINNERET FOR MULTI-ROW COAXIAL SPUNBOND AND/OR MELT-BLOWN TYPE PLANT

#3
20250290231
2025-09-18

SPINNERET FOR MULTI-ROW COAXIAL SPUNBOND AND/OR MELT-BLOWN TYPE PLANT

#4
20250290230
2025-09-18

MULTI-ROW COAXIAL MELT-BLOWN TYPE PLANT

#5
20250250719
2025-08-07

SYSTEMS AND METHODS FOR PRODUCING A BUNDLE OF FILAMENTS AND/OR A YARN

#6
20250059682
2025-02-20

Fiber Forming Device and Process Using Same

#7
20240295054
2024-09-05

NONWOVEN FABRIC HAVING A SINGLE LAYER WITH A PLURALITY OF DIFFERENT FIBER TYPES, AND AN APPARATUS, SYSTEM, AND METHOD FOR PRODUCING SAME

#8
20240125021
2024-04-18

Multilayered nonwoven fabric containing submicron fibers, a method of manufacture, an apparatus, and articles made from multilayered nonwoven fabrics

#9
20240117528
2024-04-11

Fiber forming device and process using same

#10
20240076815
2024-03-07

Meltblown System

#11
20230416944
2023-12-28

APPARATUS AND METHOD FOR PRODUCING NANOFIBER

#12
20230407526
2023-12-21

PLANT FOR MAKING OF MELT-BLOWN TYPE NON-WOVEN FABRIC

#13
20230130447
2023-04-27

Method for producing spunbonded fabric

#14
20230082772
2023-03-16

Melt blowing nozzle apparatus

#15
20230040916
2023-02-09

Recycled polyester filament and preparation method therefor

#16
20230021972
2023-01-26

Nozzle for making meltblown filaments

#17
20230002934
2023-01-05

MELTBLOWN DIE TIP ASSEMBLY AND METHOD

#18
20220403556
2022-12-22

Multi-row coaxial melt-blown system

#19
20220389617
2022-12-08

NOZZLE DEVICE AND MANUFACTURING METHOD FOR A NOZZLE DEVICE

#20
20220380938
2022-12-01

Die assembly and methods of using same

#21
20220372655
2022-11-24

System and process for preparing a fibrous nonwoven composite fabric

#22
20220364284
2022-11-17

CO-MINGLING OF PARTICULAR MATERIAL AND CO-AXIAL-MELTBLOWN FIBERS

#23
20220025560
2022-01-27

Multilayered nonwoven fabric containing submicron fibers, a method of manufacture, an apparatus, and articles made from multilayered nonwoven fabrics

#24
20220010458
2022-01-13

SPINNERET BLOCK WITH UNITARY SPINNERET BODY AND NOZZLES FOR USE IN THE MANUFACTURING OF SPUN-BLOWN FIBERS

#25
20210388531
2021-12-16

Systems and methods for producing a bundle of filaments and/or a yarn

#26
20210317600
2021-10-14

DISCHARGE NOZZLE FOR NANO FIBER MANUFACTURING DEVICE AND NANO FIBER MANUFACTURING DEVICE PROVIDED WITH DISCHARGE NOZZLE

#27
20210310156
2021-10-07

SPINNERET BLOCK WITH READILY EXCHANGABLE NOZZLES FOR USE IN THE MANUFACTURING OF SPUN-BLOWN FIBERS

#28
20210285129
2021-09-16

Apparatus for making melt-blown multilayer nonwoven

#29
20210277538
2021-09-09

Cusp die for producing melt-blown non-woven fabric

#30
20210154150
2021-05-27

Methods of delivering an oral care active by administering oral care articles comprising a filament

#31
20210079573
2021-03-18

Fine fiber producing method and fine fiber producing apparatus

#32
20210040646
2021-02-11

Digital electrospinning array

#33
20210025079
2021-01-28

APPARATUS AND METHOD FOR PRODUCING NANOFIBER

#34
20200325598
2020-10-15

Die assembly and methods of using same

#35
20200291546
2020-09-17

System and Method for Forming NonWoven Nanofiber Material

#36
20200291545
2020-09-17

Device for the Extrusion of Filaments and for the Production of Spunbonded Fabrics

#37
20200216979
2020-07-09

MULTI-DIE MELT BLOWING SYSTEM FOR FORMING CO-MINGLED STRUCTURES AND METHOD THEREOF

#38
20200208300
2020-07-02

Pack for spinning and method for producing fiber

#39
20200189230
2020-06-18

Method of preparing a composite sheet

#40
20200181805
2020-06-11

DEVICE FOR MAKING POLYMER FIBRE FOR A SYSTEM OF THE SPUNBOND AND/OR MELT-BLOWN TYPE

#41
20200060984
2020-02-27

Methods of delivering an oral care active by administering oral care articles comprising a filament

#42
20190352801
2019-11-21

Nozzle and a method for the production of micro and nanofiber nonwoven mats

#43
20190292684
2019-09-26

Multi-zone spinneret, apparatus and method for making filaments and nonwoven fabrics therefrom

#44
20190161889
2019-05-30

Polymeric nanofibers and nanofibrous web

#45
20190153622
2019-05-23

Meltblown die tip assembly and method

#46
20190040547
2019-02-07

MULTI-ROW MELT-BLOWN FIBER SPINNERET

#47
20190024262
2019-01-24

Digital electrospinning array

#48
20180371646
2018-12-27

Apparatus with particle- or fiber-making device and an endless belt

#49
20180345191
2018-12-06

Spinning nozzle member for manufacturing cylindrical cartridge carbon filter, cylindrical cartridge carbon filter manufacturing apparatus including spinning nozzle member for manufacturing cylindrical cartridge carbon filter, and cylindrical cartridge carbon filter manufactured by using spinning nozzle member for manufacturing cylindrical cartridge carbon filter

#50
20180320290
2018-11-08

COMPOSITE SPINNERET THAT PRODUCES MULTICOMPONENT FIBERS

#51
20180298523
2018-10-18

Method for producing elongated structures such as fibers from polymer solutions by straining flow spinning

#52
20180289628
2018-10-11

Methods of delivering a health care active by administering personal health care articles comprising a filmament

#53
20180282903
2018-10-04

System and method for forming nonwoven nanofiber material

#54
20180237954
2018-08-23

Melt blowing apparatus and method

#55
20180209081
2018-07-26

METHOD FOR MANUFACTURING AND DEVICE FOR MANUFACTURING ULTRAFINE FIBER NONWOVEN FABRIC

#56
20180100421
2018-04-12

Inorganic fiber-formed article, mat for exhaust gas cleaning apparatus, and exhaust gas cleaning apparatus

#57
20180015048
2018-01-18

Methods of delivering a health care active by administering personal health care articles comprising a filament

#58
20180002832
2018-01-04

Spun-blown non-woven web

#59
20180001494
2018-01-04

Shaving aid for razor cartridges comprising a nano-filament comprising a core and sheath

#60
20170361254
2017-12-21

Melt spun filtration media for respiratory devices and face masks

#61
20170355123
2017-12-14

Spinning die for melt-blowing

#62
20170306563
2017-10-26

FINE FIBER PULP FROM SPINNING AND WET LAID FILTER MEDIA

#63
20170304755
2017-10-26

MULTI-LAYERED OR MULTIPLE POLYMER FINE FIBER WEBS

#64
20170282519
2017-10-05

Fibrous Structures with Improved Surface Properties

#65
20170282518
2017-10-05

Fibrous Structures with Improved Surface Properties

#66
20170282517
2017-10-05

Fibrous Structures with Improved Surface Properties

#67
20170225104
2017-08-10

Spunbond polycarbonate resin filter media

#68
20170137970
2017-05-18

MULTI-DIE MELT BLOWING SYSTEM FOR FORMING CO-MINGLED STRUCTURES AND METHOD THEREOF

#69
20170067184
2017-03-09

Melt blowing die, apparatus and method

#70
20160376728
2016-12-29

Extrusion head for generating filaments, extrusion installation and method using said extrusion head

#71
20160271021
2016-09-22

Dissolvable fibrous web structure article comprising active agents

#72
20160183929
2016-06-30

Spinneret for manufacture of melt blown nonwoven fabric

#73
20160157978
2016-06-09

Material deposition device and method of use

#74
20160040335
2016-02-11

Melt-blown nonwoven fabric, and production process and apparatus for the same

#75
20150329991
2015-11-19

COMPOSITE SPINNERET, MULTICOMPONENT FIBER, AND METHOD OF PRODUCING MULTICOMPONENT FIBER

#76
20150152571
2015-06-04

NONWOVEN FABRIC MANUFACTURING APPARATUS AND NONWOVEN FABRIC MANUFACTURING METHOD

#77
20150111455
2015-04-23

Apparatus for production of polymeric nanofibers

#78
20140103556
2014-04-17

Multi-zone spinneret, apparatus and method for making filaments and nonwoven fabrics therefrom

#79
20140037957
2014-02-06

FIBERS AND FIBER SPINNERETS

#80
20130266874
2013-10-10

Melt-blown nonwoven fabric, and production process and apparatus for the same

#81
20130253017
2013-09-26

Methods of delivering a health care active by administering personal health care articles comprising a filmament

#82
20130217290
2013-08-22

Spinneret for spinning threads and spinning device for spinning threads

#83
20130189892
2013-07-25

Apparatus for spinning fibres and producing a fibrous-containing nonwoven

#84
20130084388
2013-04-04

Quasi melt blow down system

#85
20130011552
2013-01-10

Method for dispensing random pattern of adhesive filaments

#86
20120273986
2012-11-01

Process for producing nonwovens and articles containing submicron fibers

#87
20120172831
2012-07-05

Methods of Delivering a Health Care Active by Administering Personal Health Care Articles Comprising a Filament

#88
20120149273
2012-06-14

Apparatus, system, and method for forming nanofibers and nanofiber webs

#89
20120139153
2012-06-07

Melt spinning apparatus and melt spinning method

#90
20120048447
2012-03-01

Method for dispensing random pattern of adhesive filaments

#91
20120021026
2012-01-26

Dissolvable Fibrous Web Structure Article Comprising Active Agents

#92
20110285065
2011-11-24

Melt spinning method and apparatus

#93
20110285053
2011-11-24

Melt spinning method

#94
20110147301
2011-06-23

Nonwovens and articles containing submicron fibers

#95
20110130063
2011-06-02

SPINNING APPARATUS, APPARATUS AND PROCESS FOR MANUFACTURING NONWOVEN FABRIC, AND NONWOVEN FABRIC

#96
20110123775
2011-05-26

Fabric with discrete elastic and plastic regions and method for making same

#97
20110076907
2011-03-31

Apparatus and method for melt spun production of non-woven fluoropolymers or perfluoropolymers

#98
20110037194
2011-02-17

Die assembly and method of using same

#99
20100327074
2010-12-30

Method for dispensing random pattern of adhesive filaments

#100
20100243764
2010-09-30

Nozzle member and process for producing the same

#101
20100178372
2010-07-15

Device for meltblowing

#102
20100120314
2010-05-13

Apparatus for producing sub-micron fibers, and nonwovens and articles containing same

#103
20090295014
2009-12-03

Spinning apparatus, and apparatus and process for manufacturing nonwoven fabric

#104
20090258138
2009-10-15

Nozzle and method for dispensing random pattern of adhesive filaments

#105
20090256277
2009-10-15

Apparatus for extruding cellulose fibers

#106
20090221206
2009-09-03

SPINNING APPARATUS FOR PRODUCING FINE THREADS BY SPLICING

#107
20090039564
2009-02-12

Process and apparatus for forming uniform nanofiber substrates

#108
20080318024
2008-12-25

Meltblown fiber web with staple fibers

#109
20080315454
2008-12-25

METHOD OF MAKING MELTBLOWN FIBER WEB WITH STAPLE FIBERS

#110
20080145530
2008-06-19

Multi-plate nozzle and method for dispensing random pattern of adhesive filaments

#111
20080122143
2008-05-29

APPARATUS, SYSTEM, AND METHOD FOR MAXIMIZING ULTRAFINE MELTBLOWN FIBER ATTENUATION

#112
20080093778
2008-04-24

Process and apparatus for producing sub-micron fibers, and nonwovens and articles containing same

#113
20080063968
2008-03-13

Apparatus for producing toner precursor, and method for the same, fibrous toner precursor, apparatus for producing toner, and method for producing electrophotographic toner and fine resin particles

#114
20080023888
2008-01-31

Method and apparatus for production of meltblown nanofibers

#115
20070237849
2007-10-11

Nonwoven web forming apparatus

#116
20070202769
2007-08-30

DEVICE AND METHOD FOR MELT SPINNING FINE NON-WOVEN FIBERS

#117
20070104812
2007-05-10

Melt-blow head with variable spinning width

#118
20070004304
2007-01-04

Method for producing a strengthened nonwoven from at least partly microfine endless fibers and nonwoven according to this method

#119
20060261525
2006-11-23

Methods and apparatus for meltblowing of polymeric material utilizing fluid flow from an auxiliary manifold

#120
20060141086
2006-06-29

Low turbulence die assembly for meltblowing apparatus

#121
20060141085
2006-06-29

Melt blow head

#122
20060091582
2006-05-04

Method for forming fibers

#123
20060061006
2006-03-23

Device for producing filaments from thermoplastic synthetic

#124
20050136781
2005-06-23

Apparatus for nonwoven fibrous web

#125
20050136144
2005-06-23

Die for producing meltblown multicomponent fibers and meltblown nonwoven fabrics

#126
20050133971
2005-06-23

Meltblown die having a reduced size

#127
20050056956
2005-03-17

Process for forming micro-fiber cellulosic nonwoven webs from a cellulose solution by melt blown technology and the products made thereby

#128
20050054254
2005-03-10

Method for making a nonwoven web

#129
20050048152
2005-03-03

Device for spinning materials forming threads

#130
17460841
2021-12-21

Method of forming polymer hollow fiber

#131
17460809
2022-01-11

Multi-angle spinneret with upper and lower body structure

#132
17460777
2022-01-11

Multi-angle spinneret for forming hollow fiber

#133
17198413
2021-10-12

Method of forming hollow fiber using multi-angle spinneret

#134
14850893
2018-07-24

Extrusion die for making film, fibers, and nanofibers

#135
14850877
2016-07-05

Die tip for melt blowing micro- and nano-fibers

#136
14614383
2016-02-16

Melt-blowing apparatus with improved puller device for producing tubular nonwovens

#137
14167631
2016-02-16

Melt-blowing apparatus with improved primary air delivery system