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Class Information
Number: 128/205.27
Name: Surgery > Respiratory method or device > Means for removing substance from respiratory gas
Description: Subject matter including means for removing a material from respiratory gas.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7431753 |
Oxygen enrichment apparatus |
Oct. 7, 2008 |
| 7428902 |
Humidifier system for artificial respiration |
Sep. 30, 2008 |
| 7424889 |
Carbon dioxide absorber canister attachment |
Sep. 16, 2008 |
| 7404401 |
Water respirator filter |
Jul. 29, 2008 |
| 7392806 |
Electronic human breath filtration device |
Jul. 1, 2008 |
| 7334579 |
Low resistance to flow filter |
Feb. 26, 2008 |
| 7306657 |
Oxygen concentrating apparatus |
Dec. 11, 2007 |
| 7294180 |
Gas generator assembly |
Nov. 13, 2007 |
| 7288223 |
Method and apparatus for producing a respiratory filter |
Oct. 30, 2007 |
| 7237550 |
Respirator containing filter cases |
Jul. 3, 2007 |
| 7234462 |
Speech transmission adaptor for use with a respirator mask |
Jun. 26, 2007 |
| 7213595 |
Multi-stage respirator filter with TIM filter option |
May. 8, 2007 |
| 7191778 |
Respiratory mask with an air-impermeable shield |
Mar. 20, 2007 |
| 7178522 |
Agents and N2O detection apparatus |
Feb. 20, 2007 |
| 7179322 |
Oxygen and nitrogen enriched atmospheres in aircraft |
Feb. 20, 2007 |
| 7171964 |
Instant chemical based flexible oxygen in a non-pressurized flexible or rigid containment system |
Feb. 6, 2007 |
| 7156099 |
Nostril filtering system |
Jan. 2, 2007 |
| 7156903 |
Sound enclosure for portable oxygen concentrators |
Jan. 2, 2007 |
| 7152600 |
Biohazard mask suitable for civilians |
Dec. 26, 2006 |
| 7146980 |
Tube for use in an anesthetic system |
Dec. 12, 2006 |
| 7131442 |
Fibrous filtration face mask |
Nov. 7, 2006 |
| 7117868 |
Fibrous filtration face mask having a new unidirectional fluid valve |
Oct. 10, 2006 |
| 7114498 |
Gas delivery, evacuation and respiratory monitoring system and method |
Oct. 3, 2006 |
| 7077136 |
Anaesthetic delivery system |
Jul. 18, 2006 |
| 7069931 |
Method of making a filtering face mask that has an exhalation valve attached thereto |
Jul. 4, 2006 |
| 7066985 |
Portable gas fractionalization system |
Jun. 27, 2006 |
| 7063087 |
Filtering system for the protection against biological agents |
Jun. 20, 2006 |
| 7044127 |
Multipurpose mask |
May. 16, 2006 |
| 7032592 |
Gas dosing device |
Apr. 25, 2006 |
| 7011092 |
Portable hypoxic apparatus |
Mar. 14, 2006 |
| 7007695 |
Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
Mar. 7, 2006 |
| 7004167 |
Facemask having an aromatic capsule |
Feb. 28, 2006 |
| 7004165 |
Nose filter |
Feb. 28, 2006 |
| 6997179 |
Protective hood |
Feb. 14, 2006 |
| 6988500 |
Fog free medical face mask |
Jan. 24, 2006 |
| 6971386 |
Personal respirator |
Dec. 6, 2005 |
| 6971387 |
Personal air purifier |
Dec. 6, 2005 |
| 6962156 |
Enhanced personal air purifier |
Nov. 8, 2005 |
| 6948499 |
Easy gripping face mask |
Sep. 27, 2005 |
| 6923182 |
Crush resistant filtering face mask |
Aug. 2, 2005 |
| 6923180 |
Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage |
Aug. 2, 2005 |
| 6901930 |
Wearable electro-ionic protector against inhaled pathogens |
Jun. 7, 2005 |
| 6874499 |
Filter element that has a thermo-formed housing around filter material |
Apr. 5, 2005 |
| 6863067 |
Device for exchange of gas volume |
Mar. 8, 2005 |
| 6858551 |
Ferroelectric fibers and applications therefor |
Feb. 22, 2005 |
| 6854464 |
Respiration protecting apparatus |
Feb. 15, 2005 |
| 6843248 |
Filtering face mask that has a new exhalation valve |
Jan. 18, 2005 |
| 6834646 |
Respiratory hood |
Dec. 28, 2004 |
| 6823868 |
Travel mask |
Nov. 30, 2004 |
| 6820619 |
Altitude adjustment method and apparatus |
Nov. 23, 2004 |
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