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Class Information
Number: 128/206.12
Name: Surgery > Respiratory method or device > Means for removing substance from respiratory gas > Particulate filtering > Face mask covering a breathing passage
Description: Subject matter including a wall-like structure covering a breathing passage plus a portion of the face.










Sub-classes under this class:

Class Number Class Name Patents
128/206.19 Body of mask, other than viewing means, formed of porous filter material (e.g., surgical mask formed entirely of cloth, etc.) 239
128/206.18 Covering nose only 76
128/206.14 Mask adhesively attached to face 39
128/206.13 Mask attached to ear 62
128/206.16 With frame, shaping means, reinforcement, or filter formed of wire 74
128/206.15 With gas flow control valve 137
128/206.17 With separate filter encircling element, or housing, securing filter on mask 181


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8678002 Devices and methods for decreasing human pathogen transmission Mar. 25, 2014
8631792 Cushion for a patient interface Jan. 21, 2014
8622059 Face mask with absorbent element Jan. 7, 2014
8616211 Cushion for patient interface Dec. 31, 2013
8613280 Cushion for patient interface Dec. 24, 2013
8613281 Cushion for patient interface Dec. 24, 2013
8596271 Patient interface device Dec. 3, 2013
8590532 Filtration mask Nov. 26, 2013
8584676 Breath responsive filter blower respirator system Nov. 19, 2013
8578935 Cushion for patient interface Nov. 12, 2013
8573215 Cushion for patient interface Nov. 5, 2013
8574331 Air-treatment mask systems, and related methods and air-treatment masks Nov. 5, 2013
8573214 Cushion for patient interface Nov. 5, 2013
8573213 Cushion for patient interface Nov. 5, 2013
8573199 Ultrasonic in situ respiratory mask testing process and mask Nov. 5, 2013
8567402 Mask ports Oct. 29, 2013
8567404 Cushion for patient interface Oct. 29, 2013
8555885 Cushion for patient interface Oct. 15, 2013
8550083 Cushion for patient interface Oct. 8, 2013
8550082 Cushion for patient interface Oct. 8, 2013
8550081 Cushion for patient interface Oct. 8, 2013
8544469 Low profile filter respirator Oct. 1, 2013
8522785 Inextensible headgear and CPAP or ventilator mask assembly with the same Sep. 3, 2013
8517023 Mask system with interchangeable headgear connectors Aug. 27, 2013
8464715 Multipurpose therapeutic face mask Jun. 18, 2013
8439038 Collapse resistant respirator May. 14, 2013
8424528 Ventilation device Apr. 23, 2013
8397729 Surface structure on patient interface Mar. 19, 2013
8381727 Face mask with seal within seal and optional bridging seal Feb. 26, 2013
8375949 Sanitary mask for the protection of others Feb. 19, 2013
8371301 Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas Feb. 12, 2013
8365771 Unidirectional valves and filtering face masks comprising unidirectional valves Feb. 5, 2013
8360067 Expandable face mask with engageable stiffening element Jan. 29, 2013
8342179 Disposable mask assembly with exhaust filter and valve disc and method of assembling same Jan. 1, 2013
8342180 Filtering face-piece respirator that has expandable mask body Jan. 1, 2013
8336543 Filter cartridge having cover for masking service life indicator Dec. 25, 2012
8245712 Respirator mask for a compressed air breathing apparatus Aug. 21, 2012
8240302 Breathing mask with debris deflector Aug. 14, 2012
8210173 Breathing assistance system having integrated electrical conductors communicating data Jul. 3, 2012
8186348 Forehead support for facial mask May. 29, 2012
8176918 Three dimensional face mask May. 15, 2012
8171933 Respirator having preloaded nose clip May. 8, 2012
8146594 Flat-folded personal respiratory protection devices Apr. 3, 2012
8146601 Medical bite block and associated methods Apr. 3, 2012
8136524 Disposable mask system Mar. 20, 2012
8118026 Filtering face-piece respirator support structure that has living hinges Feb. 21, 2012
8113201 Collapse resistant respirator Feb. 14, 2012
8104472 Non-elastomeric respirator mask that has deformable cheek portions Jan. 31, 2012
8091551 Facemask with filtering closure Jan. 10, 2012
8091550 Face mask having baffle layer for improved fluid resistance Jan. 10, 2012

1 2 3 4 5 6 7










 
 
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