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Class Information
Number: 128/202.26
Name: Surgery > Respiratory method or device > Gas produced by electrolysis or chemical reaction
Description: Subject matter including means for producing the respiratory gas by electrolysis or by chemical reaction.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7431032 |
Low power ambulatory oxygen concentrator |
Oct. 7, 2008 |
| 7407632 |
Apparatus and delivery of medically pure oxygen |
Aug. 5, 2008 |
| 7381377 |
Method for controlled production of a gas |
Jun. 3, 2008 |
| 7278422 |
Open-circuit self-contained underwater breathing apparatus |
Oct. 9, 2007 |
| 7225806 |
Portable oxygen regenerating escape hood |
Jun. 5, 2007 |
| 7171964 |
Instant chemical based flexible oxygen in a non-pressurized flexible or rigid containment system |
Feb. 6, 2007 |
| 7165546 |
Nitrous oxide based oxygen supply system |
Jan. 23, 2007 |
| 7121276 |
Personal oxygen concentrator |
Oct. 17, 2006 |
| 6957651 |
System for simulating metabolic consumption of oxygen |
Oct. 25, 2005 |
| 6691702 |
Portable oxygen concentration system and method of using the same |
Feb. 17, 2004 |
| 6684881 |
Rechargeable breathing apparatus particularly an apparatus for divers |
Feb. 3, 2004 |
| 6629525 |
Portable oxygen concentration system and method of using the same |
Oct. 7, 2003 |
| 6443149 |
Closed circuit escape breathing apparatus |
Sep. 3, 2002 |
| 6347627 |
Nitrous oxide based oxygen supply system |
Feb. 19, 2002 |
| 6328033 |
Powder inhaler |
Dec. 11, 2001 |
| 6295984 |
Diver's backpack |
Oct. 2, 2001 |
| 6267114 |
Handy oxygen generator |
Jul. 31, 2001 |
| 6155254 |
Self-contained device for chemically producing high-pressure breathing oxygen |
Dec. 5, 2000 |
| 6142151 |
Spool valve for switching air flows between two beds |
Nov. 7, 2000 |
| 6123069 |
Oxygen breathing system with programmed oxygen delivery |
Sep. 26, 2000 |
| 6089230 |
Aircraft passenger oxygen delivery unit having shiftable oxygen generating candle |
Jul. 18, 2000 |
| 5992413 |
Heat and moisture exchanger and generator |
Nov. 30, 1999 |
| 5916535 |
Device for generating oxygen |
Jun. 29, 1999 |
| 5823181 |
Handy oxygen generator |
Oct. 20, 1998 |
| 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 |
| 5804146 |
Chemical oxygen generator |
Sep. 8, 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 |
| 5765549 |
Respirator |
Jun. 16, 1998 |
| 5706801 |
Sensing and communications system for use with oxygen delivery apparatus |
Jan. 13, 1998 |
| 5690101 |
Portable air purifier with chemical reaction zone |
Nov. 25, 1997 |
| 5690099 |
Method and apparatus for revitalizing exhaled air |
Nov. 25, 1997 |
| 5685298 |
Artificial ventilation mask with PPCO.sub.2 reducer and/or epinephrine source in mask |
Nov. 11, 1997 |
| 5678536 |
Liquid air mixing system |
Oct. 21, 1997 |
| 5653226 |
Device for generating oxygen |
Aug. 5, 1997 |
| 5613488 |
Chemical oxygen generator breathing device with the exhalation bag within the inhalation bag |
Mar. 25, 1997 |
| 5535736 |
Inflatable mouthpiece |
Jul. 16, 1996 |
| 5495847 |
Survival hood |
Mar. 5, 1996 |
| 5479919 |
Device for putting into operation an oxygen-releasing cartridge in a respirator |
Jan. 2, 1996 |
| 5376352 |
Oxygen storage and retrieval system |
Dec. 27, 1994 |
| 5301665 |
Respirator for emergency oxygen supply for passengers in aircraft |
Apr. 12, 1994 |
| 5267558 |
Chemical cartridge for respirators |
Dec. 7, 1993 |
| 5222479 |
Oxygen self-rescuer apparatus |
Jun. 29, 1993 |
| 5203325 |
Self contained apparatus for indefinite respiration in non-air environments |
Apr. 20, 1993 |
| 5199423 |
Oxygen-rich gas breathing systems for passenger carrying aircraft |
Apr. 6, 1993 |
| 5194224 |
Moisture indicator for a respiratory protection device |
Mar. 16, 1993 |
| 5113854 |
Quick-donning protective hood assembly |
May. 19, 1992 |
| 5048517 |
Recirculating positive-pressure respirator |
Sep. 17, 1991 |
| 5042471 |
Respirator with several regeneration cartridges and breather bags |
Aug. 27, 1991 |
| 5038768 |
Carbon monoxide conversion device |
Aug. 13, 1991 |
| 5038767 |
Device for treating respiration gas with an oxygen-releasing chemical cartridge |
Aug. 13, 1991 |
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