B29L2031/4835 - CPC Classification Index

#1

20260048556

2026-02-19

MANUFACTURING METHOD FOR CELLULOSE MOLDED BODY AND CELLULOSE MOLDED BODY

#2

20260021267

2026-01-22

ULTRASONIC WELDING OF FABRICS FOR SLEEP APNEA TREATMENT

#3

20250128006

2025-04-24

RESPIRATORY INTERFACE

#4

20240023649

2024-01-25

IMPROVEMENTS RELATING TO FACE MASKS

#5

20230390593

2023-12-07

Respiratory protective device or face mask hygiene product, a method for the manufacture of reinforced textile part, nonwoven fabric part or their combination part, and a filter

#6

20230347088

2023-11-02

IMPROVEMENTS RELATING TO SEALING MEMBERS

#7

20230321465

2023-10-12

Unitary respirator with molded thermoset elastomeric elements

#8

20230219262

2023-07-13

METHOD FOR RECYCLING FILTERING FACEPIECE RESPIRATORS

#9

20230157387

2023-05-25

VR face mask and manufacturing method thereof

#10

20230115128

2023-04-13

Respiratory interface

#11

20230084771

2023-03-16

Respiratory interface

#12

20220370749

2022-11-24

ULTRASONIC WELDING OF FABRICS FOR SLEEP APNEA TREATMENT

#13

20220323799

2022-10-13

MULTIFUNCTIONAL RESPIRATORY PROTECTIVE FACE MASK

#14

20220080633

2022-03-17

SILICONE MASK WITH REPLACEABLE FILTER ELEMENT AND PREPARATION METHOD THEREOF

#15

20220024142

2022-01-27

MACHINE AND SYSTEM CONFIGURED TO MANUFACTURE A MASK

#16

20220024139

2022-01-27

System and method for fabricating a custom face mask

#17

20210379312

2021-12-09

Manufacturing method for a hood type ventilation device

#18

20200215289

2020-07-09

Respiratory interface

#19

20200206543

2020-07-02

GENERAL-PURPOSE SYNTHETIC RESIN MASK USING VELCRO INSERTING-TYPE FILTER EXCHANGE MODE, AND INJECTION MOLDING DEVICE AND MANUFACTURING METHOD THERFOR

#20

20200199360

2020-06-25

Rigid and ductile polyamide-based transparent composition and use thereof

#21

20190366133

2019-12-05

Speech diaphragm module for a respirator mask

#22

20190247604

2019-08-15

Ultrasonic welding of fabrics for sleep apnea treatment

#23

20190216638

2019-07-18

Molded cooling and heating face mask

#24

20180353325

2018-12-13

Molded cooling and heating face mask

#25

20180339178

2018-11-29

Unitary respirator with molded thermoset elastomeric elements

#26

20180311905

2018-11-01

Method and system for cutting and placing nose wires in a facemask manufacturing process

#27

20180281296

2018-10-04

Method for producing layered article

#28

20180133951

2018-05-17

Elastic porous film and article

#29

20180133357

2018-05-17

Stretchable film and product including same

#30

20180043122

2018-02-15

Customized CPAP Masks and Related Modeling Algorithms

#31

20170246412

2017-08-31

Breathing mask and a sealing lip device for a breathing mask

#32

20170232278

2017-08-17

RESPIRATOR MADE FROM IN-SITU AIR-LAID WEB(S)

#33

20160325067

2016-11-10

Respiratory interface

#34

20160193766

2016-07-07

SCUBA MASK STRUCTURE AND MANUFACTURING PROCESS THEREOF

#35

20150297952

2015-10-22

SCUBA MASK STRUCTURE AND MANUFACTURING PROCESS THEREOF

#36

20150273170

2015-10-01

Facial mask and method of making

#37

20150250971

2015-09-10

Facial mask and method of making

#38

20150128936

2015-05-14

Unitary respirator with molded thermoset elastomeric elements

#39

20150090266

2015-04-02

Breathing mask and a sealing lip device for a breathing mask

#40

20150013683

2015-01-15

Hollow structure for breathing mask

#41

20140190486

2014-07-10

Ultrasonic welding of fabrics for sleep apnea treatment

#42

20130291876

2013-11-07

Molded respirator having outer cover web joined to mesh

#43

20130146061

2013-06-13

RESPIRATOR MADE FROM IN-SITU AIR-LAID WEB(S)

#44

20120125341

2012-05-24

FILTERING FACE-PIECE RESPIRATOR HAVING AN OVERMOLDED FACE SEAL

#45

20120114883

2012-05-10

Layered adaptive membrane structure

#46

20110159758

2011-06-30

MOLDED AUXETIC MESH

#47

20110156314

2011-06-30

Method of making an auxetic mesh

#48

20110155137

2011-06-30

Filtering face-piece respirator having an auxetic mesh in the mask body

#49

20110108035

2011-05-12

Nex-Gen Respirator / Surgical Mask

#50

20110100370

2011-05-05

Overmolding buckles at the same time as overmolding a lens respirator

#51

20110088699

2011-04-21

Cushioning structure

#52

20100325783

2010-12-30

ARTICLE COMPRISING A RUBBER COMPONENT AND A THERMOPLASTIC COMPONENT, AND ITS MANUFACTURE

#53

20100282265

2010-11-11

Sealing lip device for a breathing mask, a breathing mask and a method and a mold for producing same

#54

20100218761

2010-09-02

UNITARY RESPIRATOR WITH MOLDED THERMOSET ELASTOMERIC ELEMENTS

#55

20100101581

2010-04-29

Method for manufacturing hollow structure for breathing mask

#56

20090139526

2009-06-04

Sealing lip device for a respiratory mask, respiratory mask and a method and mould for producing the same

#57

20090078267

2009-03-26

Breathing mask device and method and mold for producing same

#58

20090032024

2009-02-05

Respiratory mask and method for manufacturing a respiratory mask

#59

20080295843

2008-12-04

SELF SANITIZING FACE MASKS AND METHOD OF MANUFACTURE

#60

20080251214

2008-10-16

Face mask manufacturing machine

#61

20080251213

2008-10-16

AUTOMATIC SPONGE BONDING APPARATUS FOR FACE MASK

#62

20080251209

2008-10-16

AUTOMATIC ELASTIC BAND FUSION APPARATUS FOR FACE MASK

#63

20080078396

2008-04-03

Systems and methods for providing custom masks for use in a breathing assistance system

#64

20050109343

2005-05-26

Respiratory facepiece and method of making a facepiece using separate molds