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Class Information
Number: 128/205.21
Name: Surgery > Respiratory method or device > Means for supplying respiratory gas under positive pressure > Means broken or pierced to supply gas
Description: Subject matter including a means which is broken or pierced to supply the breathed gas.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7171964 |
Instant chemical based flexible oxygen in a non-pressurized flexible or rigid containment system |
Feb. 6, 2007 |
| 6971385 |
Apparatus and method for respiratory drug delivery |
Dec. 6, 2005 |
| 6837245 |
Valve assembly for breathing systems |
Jan. 4, 2005 |
| 6708692 |
Demand flow control valve |
Mar. 23, 2004 |
| 6606992 |
Systems and methods for aerosolizing pharmaceutical formulations |
Aug. 19, 2003 |
| 6578573 |
Device for releasing a gas to a respirator |
Jun. 17, 2003 |
| 6443152 |
Medicament respiratory delivery device |
Sep. 3, 2002 |
| 6273086 |
Inhalant medicator |
Aug. 14, 2001 |
| 6267114 |
Handy oxygen generator |
Jul. 31, 2001 |
| 6247471 |
Smoke hood with oxygen supply device and method of use |
Jun. 19, 2001 |
| 6155258 |
Oxygen delivery system |
Dec. 5, 2000 |
| 5823181 |
Handy oxygen generator |
Oct. 20, 1998 |
| 5632268 |
Multiple purpose fixed or portable oxygen delivery system |
May. 27, 1997 |
| 5535736 |
Inflatable mouthpiece |
Jul. 16, 1996 |
| 5529058 |
Personal self-contained air safety system |
Jun. 25, 1996 |
| 5494083 |
Utility air tank |
Feb. 27, 1996 |
| 5488946 |
Emergency breathing device for opening cartridges |
Feb. 6, 1996 |
| 5485835 |
Ventilation system for diagnostic imaging |
Jan. 23, 1996 |
| 5301665 |
Respirator for emergency oxygen supply for passengers in aircraft |
Apr. 12, 1994 |
| 4887591 |
Midget life-saving respirator gas tank apparatus |
Dec. 19, 1989 |
| 4821712 |
Breathing apparatus |
Apr. 18, 1989 |
| 4440163 |
Emergency escape breathing apparatus |
Apr. 3, 1984 |
| 4365628 |
Avalanche survival vest |
Dec. 28, 1982 |
| 4019507 |
Protective breathing device having a filtering apparatus and additional oxygen supply for emergency use |
Apr. 26, 1977 |
| 3976063 |
Escape breathing apparatus |
Aug. 24, 1976 |
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