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Class Information
Number: 128/206.15
Name: Surgery > Respiratory method or device > Means for removing substance from respiratory gas > Particulate filtering > Face mask covering a breathing passage > With gas flow control valve
Description: Subject matter including a gas flow control valve.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7428903 |
Fibrous filtration face mask having a new unidirectional fluid valve |
Sep. 30, 2008 |
| 7360538 |
Oxygen therapy face mask |
Apr. 22, 2008 |
| 7311104 |
Method of making a filtering face mask that has an exhalation valve |
Dec. 25, 2007 |
| 7302951 |
Unidirectional respirator valve |
Dec. 4, 2007 |
| 7195012 |
Systems and methods for reducing intracranial pressure |
Mar. 27, 2007 |
| 7195013 |
Systems and methods for modulating autonomic function |
Mar. 27, 2007 |
| 7195015 |
Breathing apparatus |
Mar. 27, 2007 |
| 7188622 |
Filtering face mask that has a resilient seal surface in its exhalation valve |
Mar. 13, 2007 |
| 7185649 |
Systems and methods for increasing cerebral spinal fluid flow |
Mar. 6, 2007 |
| 7185652 |
Gas delivery connection assembly |
Mar. 6, 2007 |
| 7152600 |
Biohazard mask suitable for civilians |
Dec. 26, 2006 |
| 7134434 |
Pressure support system and method and a pressure control valve for use in such a system and method |
Nov. 14, 2006 |
| 7117868 |
Fibrous filtration face mask having a new unidirectional fluid valve |
Oct. 10, 2006 |
| 7089940 |
Balanced valve device and breathing apparatus comprising such valve device |
Aug. 15, 2006 |
| 7028688 |
Operationally adaptable chemical-biological mask |
Apr. 18, 2006 |
| 7013896 |
Mask with inhalation valve |
Mar. 21, 2006 |
| 7007695 |
Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
Mar. 7, 2006 |
| 6883518 |
Unidirectional respirator valve |
Apr. 26, 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 |
| 6843248 |
Filtering face mask that has a new exhalation valve |
Jan. 18, 2005 |
| 6805124 |
Face mask that has a filtered exhalation valve |
Oct. 19, 2004 |
| 6758212 |
Personal emergency breathing system |
Jul. 6, 2004 |
| 6736137 |
Protective hooded respirator with oral-nasal cup breathing interface |
May. 18, 2004 |
| 6729331 |
Pressure regulator |
May. 4, 2004 |
| 6659102 |
Oxygen mask filter system |
Dec. 9, 2003 |
| 6604524 |
Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
Aug. 12, 2003 |
| 6584976 |
Face mask that has a filtered exhalation valve |
Jul. 1, 2003 |
| 6553989 |
Self-contained breathing apparatus with emergency filtration device |
Apr. 29, 2003 |
| 6550479 |
Personal respirator |
Apr. 22, 2003 |
| 6543450 |
Survival mask |
Apr. 8, 2003 |
| RE37974 |
Uni-directional fluid valve |
Feb. 4, 2003 |
| 6491034 |
Gas delivery connection assembly |
Dec. 10, 2002 |
| 6484723 |
Tracheostomy air filtration system |
Nov. 26, 2002 |
| 6415793 |
Dual direction valve system |
Jul. 9, 2002 |
| 6394091 |
Breathing apparatus |
May. 28, 2002 |
| 6338340 |
Filter mask |
Jan. 15, 2002 |
| 6192876 |
Inhalation apparatus and method |
Feb. 27, 2001 |
| 6055983 |
Respirator filtration device |
May. 2, 2000 |
| 5979444 |
Portable CPR breathing apparatus |
Nov. 9, 1999 |
| 5967142 |
Method for connecting two components, especially in the assembly of diaphragm valves |
Oct. 19, 1999 |
| 5944013 |
Resuscitator |
Aug. 31, 1999 |
| 5941244 |
Dustproof mask |
Aug. 24, 1999 |
| 5937857 |
Backpressure-modulating cartridge for breathing mask |
Aug. 17, 1999 |
| 5886032 |
Method of treating cyanide poisoning |
Mar. 23, 1999 |
| 5860168 |
Dive mask |
Jan. 19, 1999 |
| 5848589 |
Altitude mask simulator |
Dec. 15, 1998 |
| 5782235 |
Valved filter connection piece for a gas mask |
Jul. 21, 1998 |
| 5782234 |
Respiratory breathing filter apparatus and method |
Jul. 21, 1998 |
| 5771885 |
Exercise filter |
Jun. 30, 1998 |
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