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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
7290545 Face mask with anti-fog folding Nov. 6, 2007
7263996 Anion emission and anti-dust nose mask Sep. 4, 2007
7243650 Custom fitted mask configured for coupling to an external gas supply system and method of forming same Jul. 17, 2007
7237550 Respirator containing filter cases Jul. 3, 2007
7234466 Forehead support for facial mask Jun. 26, 2007
7213595 Multi-stage respirator filter with TIM filter option May. 8, 2007
7210482 Face mask structure May. 1, 2007
7207335 Mask and vent assembly therefor Apr. 24, 2007
7195015 Breathing apparatus Mar. 27, 2007
7185653 Disposable mask for dust protection Mar. 6, 2007
RE39493 Respirator having snap-fit filter cartridge Feb. 27, 2007
7156099 Nostril filtering system Jan. 2, 2007
7131442 Fibrous filtration face mask Nov. 7, 2006
7128070 Biological defense masks Oct. 31, 2006
7114498 Gas delivery, evacuation and respiratory monitoring system and method Oct. 3, 2006
7111626 Equine inhalation mask Sep. 26, 2006
7107990 Portable face protector for protecting human being from poisonous gas and securing visibility Sep. 19, 2006
7101423 Respiratory air filter Sep. 5, 2006
7100610 Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas Sep. 5, 2006
7093599 Gels, composites, and health care articles Aug. 22, 2006
7077137 Breathing device for filtering and conditioning inhaled air Jul. 18, 2006
7077140 Face mask and method Jul. 18, 2006
7069930 Flat-folded personal respiratory protection devices and processes for preparing same Jul. 4, 2006
7063087 Filtering system for the protection against biological agents Jun. 20, 2006
7055526 Anti-snoring device comprising a skin compatible adhesive Jun. 6, 2006
7044127 Multipurpose mask May. 16, 2006
7044126 Device for providing protection to the respiratory system May. 16, 2006
7036507 Filter mask May. 2, 2006
7013891 Respirators Mar. 21, 2006
7011093 Microencapsulated fragrances and methods of coating microcapsules Mar. 14, 2006
6997179 Protective hood Feb. 14, 2006
6978782 Full face mask Dec. 27, 2005
6968844 Mask cover Nov. 29, 2005
6945249 Easy gripping face mask Sep. 20, 2005
6928657 Face mask having hook and loop type fastener Aug. 16, 2005
6926004 Breathing mask with a head fastening device Aug. 9, 2005
6895960 Modular respirators and a method of conversion thereof May. 24, 2005
6892725 Protective hoods and neck seals for use therein May. 17, 2005
6886563 Flat-folded personal respiratory protection devices and processes for preparing same May. 3, 2005
6860267 Self-sealing filter connection and gas mask filter assembly incorporating the same Mar. 1, 2005
6854463 Filtering face mask that has a new exhalation valve Feb. 15, 2005
6817362 Respirator Nov. 16, 2004
6805123 Compact multipurpose dustproof mask Oct. 19, 2004
6802315 Vapor deposition treated electret filter media Oct. 12, 2004
6799573 Air filtration system Oct. 5, 2004
6783566 Combination filter/cartridge assembly Aug. 31, 2004
6758212 Personal emergency breathing system Jul. 6, 2004
6722366 Method of making a flat-folded personal respiratory protection device Apr. 20, 2004
6715489 Processes for preparing flat-folded personal respiratory protection devices Apr. 6, 2004
6679261 Forehead support for facial mask Jan. 20, 2004

1 2 3 4 5 6 7










 
 
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