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Class Information
Number: 128/204.29
Name: Surgery > Respiratory method or device > Means for supplying respiratory gas under positive pressure > Control means responsive to variation in ambient pressure
Description: Subject matter including control means responsive to a variation in the ambient pressure.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7343918 |
Breathing gas feed assembly for aircraft flight crew, and a stowage box for an emergency breathing mask |
Mar. 18, 2008 |
| 7331345 |
Demand regulator protective bellows |
Feb. 19, 2008 |
| 7246620 |
System for monitoring pilot and/or passenger oxygen saturation levels and estimating oxygen usage requirements |
Jul. 24, 2007 |
| 7165546 |
Nitrous oxide based oxygen supply system |
Jan. 23, 2007 |
| 7089940 |
Balanced valve device and breathing apparatus comprising such valve device |
Aug. 15, 2006 |
| 7082944 |
Changeover valve and dual air supply breathing apparatus |
Aug. 1, 2006 |
| 6955710 |
On-board oxygen production system for aircraft, in particular long-range aircraft |
Oct. 18, 2005 |
| 6948498 |
Process and installation for the distribution of air enriched in oxygen to passengers of an aircraft |
Sep. 27, 2005 |
| 6929006 |
Device and process for metering breathing gas |
Aug. 16, 2005 |
| 6913016 |
Valve manifold assembly |
Jul. 5, 2005 |
| 6871645 |
Reduced-oxygen breathing device |
Mar. 29, 2005 |
| 6701923 |
Process and installation for the distribution of air enriched in oxygen to passengers of an aircraft |
Mar. 9, 2004 |
| 6688308 |
Method of testing an aircraft oxygen supply system |
Feb. 10, 2004 |
| 6612307 |
Oxygen conserver |
Sep. 2, 2003 |
| 6425394 |
Hanger assembly for passenger oxygen masks |
Jul. 30, 2002 |
| 6401714 |
Self contained breathing apparatus |
Jun. 11, 2002 |
| 6347627 |
Nitrous oxide based oxygen supply system |
Feb. 19, 2002 |
| 6318364 |
Modular drop out container for aircraft oxygen masks |
Nov. 20, 2001 |
| 6302106 |
Rebreather system with optimal PO2 determination |
Oct. 16, 2001 |
| 6089230 |
Aircraft passenger oxygen delivery unit having shiftable oxygen generating candle |
Jul. 18, 2000 |
| 6065473 |
Non-contact gas dispenser and apparatus for use therewith |
May. 23, 2000 |
| 5964220 |
Respiratory assistance apparatus |
Oct. 12, 1999 |
| 5924418 |
Rebreather system with depth dependent flow control and optimal PO.sub.2 d e |
Jul. 20, 1999 |
| 5881725 |
Pneumatic oxygen conserver |
Mar. 16, 1999 |
| 5816244 |
Modular structural system for personal service and oxygen dispensing system modules for use in transport aircraft with improved latch and testing capability |
Oct. 6, 1998 |
| 5803062 |
Compression molded integrated personal service and oxygen modules for use in transport aircraft with improved mask repacking and test access |
Sep. 8, 1998 |
| 5794616 |
Use of multiple gas blends with a dive computer |
Aug. 18, 1998 |
| 5724961 |
Valve arrangement and a breathing regulator which includes such a valve arrangement |
Mar. 10, 1998 |
| 5701889 |
Oxygen breathing controller having a G-sensor |
Dec. 30, 1997 |
| 5690097 |
Combination anesthetic mask and oxygen transport system |
Nov. 25, 1997 |
| 5662100 |
Eductive pressure regulator |
Sep. 2, 1997 |
| 5645055 |
Oxygen breathing controller |
Jul. 8, 1997 |
| 5642729 |
Gas supply systems |
Jul. 1, 1997 |
| 5619987 |
Semi-closed rebreathing apparatus with water removing pump |
Apr. 15, 1997 |
| 5542417 |
Pressure regulating unit for supplying a pressurized fluid from alternative supply lines |
Aug. 6, 1996 |
| 5542447 |
Aircrew breathing systems |
Aug. 6, 1996 |
| 5531220 |
Gas supply systems |
Jul. 2, 1996 |
| 5507308 |
Gas pressure regulator |
Apr. 16, 1996 |
| 5477850 |
Integrated buoyancy suit crew protection system with +/-G.sub.Z protection |
Dec. 26, 1995 |
| 5460175 |
Air-oxygen mixture controllers for breathing demand regulators |
Oct. 24, 1995 |
| 5429124 |
Mouthpiece for semi-closed type of breathing apparatus |
Jul. 4, 1995 |
| 5423313 |
Respirator intended for connection to human or animal airways |
Jun. 13, 1995 |
| 5372129 |
Oxygen dilution device for maintaining an essentially constant proportion of primary gas in a diluent gas |
Dec. 13, 1994 |
| 5368020 |
Automatic breathing apparatus for underwater immersion at medium and great depth |
Nov. 29, 1994 |
| 5357949 |
Breathing protection installation for aircraft passengers |
Oct. 25, 1994 |
| 5348001 |
Oxygen breathing controls |
Sep. 20, 1994 |
| 5315988 |
Reactive, closed-circuit underwater breathing apparatus |
May. 31, 1994 |
| 5313973 |
Installation for the supply of oxygen to hospitals and the like |
May. 24, 1994 |
| 5299567 |
Minimal elastance, closed-circuit underwater breathing apparatus |
Apr. 5, 1994 |
| 5263477 |
Chemical and biological warfare filter injector mechanism |
Nov. 23, 1993 |
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