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Browse by Category: Main > Health & Medicine
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:
1 2 3

Patent Number Title Of Patent Date Issued
8596271 Patient interface device Dec. 3, 2013
8584676 Breath responsive filter blower respirator system Nov. 19, 2013
8544469 Low profile filter respirator Oct. 1, 2013
8485181 Method and system for controlling breathing Jul. 16, 2013
8439038 Collapse resistant respirator May. 14, 2013
8365771 Unidirectional valves and filtering face masks comprising unidirectional valves Feb. 5, 2013
8342180 Filtering face-piece respirator that has expandable mask body Jan. 1, 2013
8342179 Disposable mask assembly with exhaust filter and valve disc and method of assembling same Jan. 1, 2013
8251066 Exhalation port with built-in entrainment valve Aug. 28, 2012
8245712 Respirator mask for a compressed air breathing apparatus Aug. 21, 2012
8240308 Respiration valve Aug. 14, 2012
RE43289 Uni-directional fluid valve Apr. 3, 2012
8142544 Adsorbent bed pressure balancing for a gas concentrator Mar. 27, 2012
8113201 Collapse resistant respirator Feb. 14, 2012
8028695 Apparatus and system for reducing mechanical ventilator noise Oct. 4, 2011
7997275 Cough catcher with protection against germ transmission by hand contact Aug. 16, 2011
7987852 Nasal devices Aug. 2, 2011
7900628 Patient interface device Mar. 8, 2011
7900626 Method and system for controlling breathing Mar. 8, 2011
7878199 Disposable mask system Feb. 1, 2011
7857894 Adsorbent bed pressure balancing for a gas concentrator Dec. 28, 2010
7849856 Respirator valve Dec. 14, 2010
7770581 Breathing mask Aug. 10, 2010
7766011 Positive pressure systems and methods for increasing blood pressure and circulation Aug. 3, 2010
7748385 Valved holding chamber for use with an aerosol medication delivery system Jul. 6, 2010
7650884 Respiratory facepiece and method of making a facepiece using separate molds Jan. 26, 2010
7610916 Forehead support for facial mask Nov. 3, 2009
7506649 Nasal devices Mar. 24, 2009
7493900 Fibrous filtration face mask having a new unidirectional fluid valve Feb. 24, 2009
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
7195015 Breathing apparatus Mar. 27, 2007
7195013 Systems and methods for modulating autonomic function Mar. 27, 2007
7195012 Systems and methods for reducing intracranial pressure Mar. 27, 2007
7188622 Filtering face mask that has a resilient seal surface in its exhalation valve Mar. 13, 2007
7185652 Gas delivery connection assembly Mar. 6, 2007
7185649 Systems and methods for increasing cerebral spinal fluid flow 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

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