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Class Information
Number: 128/205.17
Name: Surgery > Respiratory method or device > Means for supplying respiratory gas under positive pressure > Respiratory gas supplied from expandable bag, bellows, or squeeze bulb > Rebreathing bag or bellows
Description: Subject matter wherein an expandable bag or bellows enables the user to rebreathe a portion of the exhaled gas.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8689790 Oxygen conservation system for commercial aircraft Apr. 8, 2014
8678001 Wearable rebreathing apparatus Mar. 25, 2014
8636004 CO2 measurement in high relative humidity environments Jan. 28, 2014
8555883 Emergency breathing bag Oct. 15, 2013
8517018 Oxygen supply system for an aircraft Aug. 27, 2013
8459262 Manual ventilation with electronically controlled APL valve Jun. 11, 2013
8443804 Adjustable volume manual resuscitation bag assembly May. 21, 2013
8302603 Aircrew rebreather system Nov. 6, 2012
8240308 Respiration valve Aug. 14, 2012
8240307 Apparatus for non-invasive mechanical ventilation Aug. 14, 2012
8181650 Multitask medical treatment respiratory apparatus May. 22, 2012
8176917 Oxygen conservation system for commercial aircraft May. 15, 2012
8136522 Continuous positive airway pressure device Mar. 20, 2012
7938115 Cardiopulmonary resuscitation device May. 10, 2011
7886740 Gas systems and methods for enabling respiratory stability Feb. 15, 2011
7836881 Ventilator and methods for treating head trauma and low blood circulation Nov. 23, 2010
7806118 Cardiopulmonary resuscitation device Oct. 5, 2010
7784463 Oxygen conservation system for commercial aircraft Aug. 31, 2010
7588032 Oxygen conservation system for commercial aircraft Sep. 15, 2009
7578293 Compressed air respirator Aug. 25, 2009
7392805 Method and apparatus for manual delivery of volume and pressure-control artificial ventilation Jul. 1, 2008
7360538 Oxygen therapy face mask Apr. 22, 2008
7343918 Breathing gas feed assembly for aircraft flight crew, and a stowage box for an emergency breathing mask Mar. 18, 2008
7219668 Manually-operable resuscitators May. 22, 2007
7121278 Method and apparatus for manual delivery of volume and pressure-control artificial ventilation Oct. 17, 2006
7089940 Balanced valve device and breathing apparatus comprising such valve device Aug. 15, 2006
7082946 Method and apparatus for protecting the passengers of an airplane against hypoxia Aug. 1, 2006
7077135 Resuscitators, parts and assemblies Jul. 18, 2006
7032596 Cardiopulmonary resuscitation device and method Apr. 25, 2006
6990979 Breathing equipment with a circuit for breathing gas Jan. 31, 2006
6988499 Mechanical resuscitator Jan. 24, 2006
6929006 Device and process for metering breathing gas Aug. 16, 2005
6796307 Multiple person high altitude recycling breathing apparatus Sep. 28, 2004
6792947 Flow control valve for manual resuscitator devices Sep. 21, 2004
6718978 Manual ventilation bag Apr. 13, 2004
6648832 Apparatus and method for non-invasively measuring cardiac output Nov. 18, 2003
6508250 Disposable oxygenating device Jan. 21, 2003
6463929 Method and apparatus for providing a constant medicine dose for an inhalic application at low inhalic flow Oct. 15, 2002
6443149 Closed circuit escape breathing apparatus Sep. 3, 2002
6397844 Respiration apparatus Jun. 4, 2002
6352077 Film welded reservoir bag for breathing circuit and method of making the same Mar. 5, 2002
6345618 Cuirass ventilator and seal therefor Feb. 12, 2002
6340023 Rebreather nebulizer device Jan. 22, 2002
6283121 Manual pump and Ambu bag Sep. 4, 2001
6276363 Portable emergency safety resuscitator Aug. 21, 2001
6253767 Gas concentrator Jul. 3, 2001
6102034 Breathing equipment Aug. 15, 2000
6098621 Disposable oxygenating device Aug. 8, 2000
6062217 Portable emergency safety resuscitator May. 16, 2000
6041781 Breathing bag Mar. 28, 2000

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