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Class Information
Number: 128/206.17
Name: Surgery > Respiratory method or device > Means for removing substance from respiratory gas > Particulate filtering > Face mask covering a breathing passage > With separate filter encircling element, or housing, securing filter on mask
Description: Subject matter including a separate filter encircling element, or housing, securing the filter on the mask.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404401 |
Water respirator filter |
Jul. 29, 2008 |
| 7334579 |
Low resistance to flow filter |
Feb. 26, 2008 |
| 7320722 |
Respiratory protection device that has rapid threaded clean air source attachment |
Jan. 22, 2008 |
| 7296568 |
Respirator module with speech transmission and exhalation valve |
Nov. 20, 2007 |
| 7261104 |
Respirator facepieces |
Aug. 28, 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 |
| RE39493 |
Respirator having snap-fit filter cartridge |
Feb. 27, 2007 |
| 7114496 |
Filter cartridge with integrated inhalation and exhalation valves |
Oct. 3, 2006 |
| 7093596 |
Connection component for a respirator product |
Aug. 22, 2006 |
| 7063087 |
Filtering system for the protection against biological agents |
Jun. 20, 2006 |
| 7032592 |
Gas dosing device |
Apr. 25, 2006 |
| 7028688 |
Operationally adaptable chemical-biological mask |
Apr. 18, 2006 |
| 7025060 |
Personal breathing filter |
Apr. 11, 2006 |
| 7007690 |
Advanced chemical/biological crew mask |
Mar. 7, 2006 |
| 6968844 |
Mask cover |
Nov. 29, 2005 |
| 6874499 |
Filter element that has a thermo-formed housing around filter material |
Apr. 5, 2005 |
| 6860267 |
Self-sealing filter connection and gas mask filter assembly incorporating the same |
Mar. 1, 2005 |
| 6854464 |
Respiration protecting apparatus |
Feb. 15, 2005 |
| 6817362 |
Respirator |
Nov. 16, 2004 |
| 6805123 |
Compact multipurpose dustproof mask |
Oct. 19, 2004 |
| 6793702 |
Filter cartridge platform and filter cartridge for use on the platform |
Sep. 21, 2004 |
| 6763830 |
Respirator with hinged visor |
Jul. 20, 2004 |
| 6761169 |
Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon |
Jul. 13, 2004 |
| 6736138 |
Seamless pad-type filter |
May. 18, 2004 |
| 6701925 |
Protective hood respirator |
Mar. 9, 2004 |
| 6662803 |
Nasal mask |
Dec. 16, 2003 |
| 6659102 |
Oxygen mask filter system |
Dec. 9, 2003 |
| 6619287 |
Filter |
Sep. 16, 2003 |
| 6615833 |
Maskap |
Sep. 9, 2003 |
| 6575165 |
Apparatus and method for breathing apparatus component coupling |
Jun. 10, 2003 |
| 6553989 |
Self-contained breathing apparatus with emergency filtration device |
Apr. 29, 2003 |
| 6550479 |
Personal respirator |
Apr. 22, 2003 |
| 6467481 |
Stackable filter device |
Oct. 22, 2002 |
| 6403197 |
Filter material |
Jun. 11, 2002 |
| 6394090 |
Flat-folded personal respiratory protection devices and processes for preparing same |
May. 28, 2002 |
| 6382206 |
Speech transmission adaptor for use with a respirator mask |
May. 7, 2002 |
| 6363934 |
Respirator filter protective cover |
Apr. 2, 2002 |
| 6345620 |
Flexible respirator filter |
Feb. 12, 2002 |
| 6340024 |
Protective hood and oral/nasal mask |
Jan. 22, 2002 |
| 6308851 |
Use-evidencing smoke filter container system |
Oct. 30, 2001 |
| 6298849 |
Respirator mask with snap in filter cartridge |
Oct. 9, 2001 |
| 6277178 |
Respirator and filter cartridge |
Aug. 21, 2001 |
| 6216693 |
Respirator having a compressible press fir filter element |
Apr. 17, 2001 |
| 6176239 |
Advanced chemical-biological mask |
Jan. 23, 2001 |
| 6146449 |
Reusable canister for a gas mask |
Nov. 14, 2000 |
| 6055983 |
Respirator filtration device |
May. 2, 2000 |
| 6050262 |
Overpressure ventilation device for a gas mask |
Apr. 18, 2000 |
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