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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7451764 |
Nasal mask |
Nov. 18, 2008 |
| 7428903 |
Fibrous filtration face mask having a new unidirectional fluid valve |
Sep. 30, 2008 |
| 7406965 |
Forehead support for facial mask |
Aug. 5, 2008 |
| 7404401 |
Water respirator filter |
Jul. 29, 2008 |
| 7337779 |
Facemask tape-adjuster |
Mar. 4, 2008 |
| 7311104 |
Method of making a filtering face mask that has an exhalation valve |
Dec. 25, 2007 |
| 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 |
| 7077140 |
Face mask and method |
Jul. 18, 2006 |
| 7077137 |
Breathing device for filtering and conditioning inhaled air |
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 |
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