| Patents for A62B 23 - Filters for breathing-protection purposes (3,172) |
|---|
| 07/08/2004 | DE10261602A1 Respirator for use in the presence of toxic gas or dust-laden environment has two air filters incorporating electric blower fans |
| 07/06/2004 | US6758215 Aromatic travel mask |
| 07/06/2004 | US6758212 Personal emergency breathing system |
| 06/30/2004 | CN2621745Y Hygienic nose mask |
| 06/30/2004 | CN2621734Y Anti-virus mask |
| 06/24/2004 | US20040121107 Dispensing assembly and method for producing single piece face mask |
| 06/24/2004 | US20040118405 Disposable face mask |
| 06/24/2004 | US20040118397 Personal disposable emergency breathing system with radial flow |
| 06/24/2004 | DE19950717B4 Atemmaske Oxygen mask |
| 06/22/2004 | US6752149 Nasal mask with replaceable filter |
| 06/17/2004 | WO2003105982A3 Chemical/biological decontamination filter |
| 06/17/2004 | WO2003079833B1 Safety filtration apparel |
| 06/16/2004 | CN2620554Y Built-in air filter |
| 06/16/2004 | CN2620553Y Health-care mouthpiece |
| 06/03/2004 | WO2002068059A8 Fire smoke cleaner |
| 06/02/2004 | CN2618633Y Naris air filter |
| 06/02/2004 | CN2618632Y Health respirator |
| 06/02/2004 | CN1500533A Filtering device for nose |
| 06/01/2004 | US6742518 Respirator filter |
| 05/26/2004 | CN2617419Y Nose breathing apparatus |
| 05/26/2004 | CN2617418Y Nasal plug style breath filter |
| 05/26/2004 | CN2617417Y Nasal breathing plug |
| 05/21/2004 | WO2004041364A1 Breathing protective device |
| 05/19/2004 | DE20306251U1 Adsorption filter material, e.g. used in air filters, comprises adsorption layer made from first activated charcoal layer with granular and/or spherical activated charcoal between first and second layers |
| 05/18/2004 | US6736138 Seamless pad-type filter |
| 05/13/2004 | US20040089303 Nose filter device |
| 05/12/2004 | CN2614709Y Special antimicrobe mask |
| 05/12/2004 | CN1149113C Face mask that has a filtered exhalation valve |
| 05/06/2004 | WO2004030765B1 Emergency escape mask |
| 05/06/2004 | WO2003079833A3 Safety filtration apparel |
| 05/04/2004 | US6729332 Retention assembly with compression element and method of use |
| 04/29/2004 | WO2004035141A1 Travel mask |
| 04/29/2004 | US20040078860 Single piece face mask |
| 04/29/2004 | DE202004003089U1 Multi-layer masking material has outer layer with fine hairs and a moisture repellent inner layer with an activated carbon layer inbetween |
| 04/29/2004 | CA2501299A1 Travel mask |
| 04/28/2004 | CN2613281Y Health care rhinobyon |
| 04/28/2004 | CN2613278Y Anion antiseptic mask |
| 04/28/2004 | CN2613277Y Protective mask with bacterial filtering |
| 04/22/2004 | WO2004032998A2 Ventilation circuit with co2 absorption and spirometry measurement |
| 04/22/2004 | US20040076558 Fire smoke cleaner |
| 04/22/2004 | US20040074498 Aromatic travel mask |
| 04/21/2004 | CN2612404Y Disposable nasal cavity filter |
| 04/20/2004 | US6722366 Method of making a flat-folded personal respiratory protection device |
| 04/15/2004 | WO2004030765A1 Emergency escape mask |
| 04/15/2004 | WO2004009153A3 Oxygen mask filter system |
| 04/15/2004 | WO2003099385B1 Respirator hood assembly |
| 04/15/2004 | WO2002011816A8 Respirators |
| 04/14/2004 | EP1406716A1 Filter element |
| 04/14/2004 | CN2610958Y Inserting into noose type anti poison gas filtering device |
| 04/13/2004 | US6718981 Dental mask |
| 04/08/2004 | WO2004028638A1 Easy gripping face mask |
| 04/08/2004 | WO2004028637A1 Dustproof mask easy to wear and remove |
| 04/08/2004 | US20040065065 Inner nose air filter |
| 04/08/2004 | CA2498593A1 Easy gripping face mask |
| 04/07/2004 | CN2609592Y Disposable contact health nasal filter |
| 04/06/2004 | US6715489 Processes for preparing flat-folded personal respiratory protection devices |
| 04/01/2004 | WO2004026408A1 Filter element that has a thermo-formed housing around filter material |
| 04/01/2004 | CA2497402A1 Filter element that has a thermo-formed housing around filter material |
| 03/31/2004 | EP1402934A1 Electret articles and filters with increased oily mist resistance |
| 03/31/2004 | EP1001830B1 Filtering face mask having one or two straps |
| 03/25/2004 | US20040055605 Easy gripping face mask |
| 03/25/2004 | US20040055604 Filter element that has a thermo-formed housing around filter material |
| 03/25/2004 | US20040055603 Intra-nasal filter device |
| 03/17/2004 | CN2606604Y Electronic sterilizing mask |
| 03/16/2004 | US6706092 Chemical/Biological decontamination filter |
| 03/16/2004 | US6705317 Retention assembly with compression element and method of use |
| 03/11/2004 | WO2004020883A1 Mask and spherically configured valve |
| 03/11/2004 | DE20319549U1 Nasal device for introducing active substance into respired air, comprising tubular pads impregnated with volatile substance which diffuses through porous system |
| 03/10/2004 | CN2605882Y Disposable dustproof nose mask |
| 03/10/2004 | CN2605881Y Nose air filter |
| 03/09/2004 | US6701925 Protective hood respirator |
| 03/09/2004 | US6701924 Nasal filter |
| 03/04/2004 | WO2004018046A1 Mask and method of producing the same |
| 03/04/2004 | US20040040562 Mask and spherically configured valve |
| 03/04/2004 | US20040040561 Full face mask |
| 02/26/2004 | WO2004016318A1 Mask based on the use of silver |
| 02/26/2004 | US20040038802 A pre-carbonization of a polystyrene modified by divinylbenzene, crosslinked with sulfonic acid; an adsorbers, filters |
| 02/26/2004 | US20040035426 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
| 02/25/2004 | CN2604198Y Environment protection gauze mask |
| 02/25/2004 | CN1476910A Multi-functional nose protection plug |
| 02/24/2004 | US6694971 Face mask |
| 02/19/2004 | US20040031490 Safety filtration apparel |
| 02/19/2004 | US20040031489 Seamless pad-type filter |
| 02/12/2004 | US20040025880 Self-sealing filter connection and gas mask filter assembly incorporating the same |
| 02/11/2004 | CN2602793Y Dust-proof nose filter |
| 02/05/2004 | US20040020492 Upper airway device and method |
| 02/05/2004 | US20040020489 Nasal mask with replaceable filter |
| 01/29/2004 | WO2004009153A2 Oxygen mask filter system |
| 01/29/2004 | CA2494829A1 Oxygen mask filter system |
| 01/27/2004 | US6681765 Antiviral and antibacterial respirator mask |
| 01/22/2004 | WO2004007026A1 Shape retaining material, nose clip for face mask and face mask |
| 01/22/2004 | WO2003092765A3 Upper airway device and method |
| 01/21/2004 | EP1381409A2 Respiratory air filter |
| 01/21/2004 | CN2600125Y Hidden filtering dust-proof rhinobyon and inserting apparatus |
| 01/21/2004 | CN2600124Y Filter for respiration in nose |
| 01/21/2004 | CN2600123Y Electric dust filter with fan |
| 01/15/2004 | US20040007234 Personal respirator |
| 01/14/2004 | CN2598581Y Built-in air purifier for nasal cavity |
| 01/14/2004 | CN2598580Y Ultrathin dust-proof anti-toxin breathing mask |
| 01/08/2004 | US20040003810 Respirator Hood Assembly |