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Class Information
Number: 128/205.12
Name: Surgery > Respiratory method or device > Means for supplying respiratory gas under positive pressure > Means for removing substance from respiratory gas
Description: Subject matter including means for removing a substance from gas breathed by a living thing.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4257415 |
Portable nebulizer treatment apparatus |
Mar. 24, 1981 |
| 4256698 |
Chemical cartridge for respirators |
Mar. 17, 1981 |
| 4237780 |
Hydrocarbon fume disposal system particularly for use in paint spray booths |
Dec. 9, 1980 |
| 4233972 |
Portable air filtering and breathing assist device |
Nov. 18, 1980 |
| 4233971 |
Respirator |
Nov. 18, 1980 |
| 4232667 |
Single limb breathing circuit assembly and absorber |
Nov. 11, 1980 |
| 4224940 |
Respirators |
Sep. 30, 1980 |
| 4197858 |
Sensing liquid trap for respiratory gas analyzing systems |
Apr. 15, 1980 |
| 4191204 |
Pressure responsive fluid collection system |
Mar. 4, 1980 |
| 4190426 |
Gas separating and venting filter |
Feb. 26, 1980 |
| 4187390 |
Porous products and process therefor |
Feb. 5, 1980 |
| 4170232 |
Tracheo-bronchial sampler device |
Oct. 9, 1979 |
| 4167667 |
Respiratory gas moisture separator system for mass spectrometer monitoring systems |
Sep. 11, 1979 |
| 4163448 |
Breathing apparatus |
Aug. 7, 1979 |
| 4161947 |
Divers exhaust valve |
Jul. 24, 1979 |
| 4154234 |
Breathing bag system for closed circuit breathing apparatus |
May. 15, 1979 |
| 4108172 |
Carbon dioxide absorption canister for use with analgesia equipment |
Aug. 22, 1978 |
| 4092137 |
Gas-entrained liquid separating means with dual housing |
May. 30, 1978 |
| 4090513 |
Heat and moisture exchanging device for respiration |
May. 23, 1978 |
| 4086923 |
Altitude conditioning method and apparatus |
May. 2, 1978 |
| 4066076 |
Rebreathable gas mixing and control device |
Jan. 3, 1978 |
| 4064875 |
Anti-suffocation means for aircraft breathing mask |
Dec. 27, 1977 |
| 4031887 |
Breathing apparatus providing pressure compensation |
Jun. 28, 1977 |
| 4020834 |
Respirator and method |
May. 3, 1977 |
| 3976450 |
Gas sample preparation system and method |
Aug. 24, 1976 |
| 3973562 |
Multi-user extended operation respirator |
Aug. 10, 1976 |
| 3968812 |
Apparatus for removal of condensed moisture from respiratory tubes |
Jul. 13, 1976 |
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