| Patents for A62B 23 - Filters for breathing-protection purposes (3,172) |
|---|
| 05/13/2003 | US6561188 Nasal breathing apparatus and methods |
| 05/08/2003 | WO2003037440A1 Respirator filter element |
| 05/07/2003 | EP1307265A1 Respirators |
| 05/07/2003 | EP1163040B1 Filter support, assembly and system |
| 05/07/2003 | CN2548651Y Nasal filter |
| 05/02/2003 | EP1305104A1 Respirator cartridge with service life indicator |
| 05/01/2003 | WO2003035181A1 Inhalation protection apparatuses |
| 05/01/2003 | WO2003034923A1 Respiratory hoods |
| 04/29/2003 | US6553989 Self-contained breathing apparatus with emergency filtration device |
| 04/24/2003 | US20030075174 Respiratory hoods |
| 04/24/2003 | US20030075173 Inhalation protection apparatuses |
| 04/23/2003 | CN2546050Y Anti pollution nose filter |
| 04/10/2003 | WO2002085426A3 Respiratory air filter |
| 04/09/2003 | CN1409645A Respiratory nasal filter |
| 04/08/2003 | US6543450 Survival mask |
| 03/27/2003 | WO2002013946A9 Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon |
| 03/26/2003 | EP1294448A1 Pressure regulator for a respirator system |
| 03/26/2003 | CN2540989Y Dust proof nose plug |
| 03/25/2003 | US6536434 Flat-folded personal respiratory protection devices and processes for preparing same |
| 03/18/2003 | US6532598 Patient mask |
| 03/12/2003 | EP1202788B1 Charge stabilized electret filter media |
| 03/12/2003 | CN2539544Y Air pollution-removing noise filter |
| 03/12/2003 | CN2539537Y Nasal cavity air filter device with dustproof health-care and auxiliary therapeutic action |
| 03/11/2003 | US6530374 Air filter device provided with gripping means in the form of a mouthpiece |
| 03/06/2003 | DE20219787U1 Respiratory protection pad for covering the mouth of a user comprises a soft absorptive filter element which is a combination of open-cell reticulated polyurethane foam and impregnated active carbon powder |
| 03/05/2003 | CN2538377Y 呼吸清洁器 Breathe cleaner |
| 03/04/2003 | US6526975 Disposable gas mask |
| 03/04/2003 | US6526585 Wet smoke mask |
| 02/27/2003 | US20030037787 Face mask |
| 02/26/2003 | EP1285594A2 Filtering face mask |
| 02/26/2003 | EP1237611A4 Respiratory nasal filter |
| 02/20/2003 | WO2003013657A1 Respirator |
| 02/19/2003 | CN2536260Y Filtering nasal paste |
| 02/13/2003 | US20030029454 Respirator |
| 02/12/2003 | CN2535085Y Nasal mask |
| 02/12/2003 | CN1395973A Rhineurynter |
| 02/12/2003 | CN1101241C Oily mist resistant electret articles and filters |
| 01/30/2003 | WO2003008068A1 Filter element |
| 01/29/2003 | EP1278568A1 Film welded reservoir bag for breathing circuit and method of making the same |
| 01/23/2003 | WO2001078839B1 Self-sealing filter connection and gas mask and filter assembly incorporating the same |
| 01/23/2003 | US20030015201 Processes for preparing flat-folded personal respiratory protection devices |
| 01/22/2003 | EP1276694A1 Method for producing spherical activated carbon |
| 01/22/2003 | EP1276542A2 Self-sealing filter connection and gas mask and filter assembly incorporating the same |
| 01/15/2003 | CN1098714C Dust-proof mask |
| 01/09/2003 | US20030005934 Face mask that has a filtered exhalation valve |
| 01/08/2003 | CN2529534Y 头盔 Helmet |
| 01/08/2003 | CN1389281A Hidden upper respiratory tract device for blocking bacteria, virus and dust |
| 01/08/2003 | CN1389275A 鼻扩张器 Nasal dilator |
| 01/08/2003 | CN1389274A 鼻扩张器 Nasal dilator |
| 01/08/2003 | CN1389273A 鼻扩张器 Nasal dilator |
| 01/08/2003 | CN1389185A 鼻扩张器 Nasal dilator |
| 12/25/2002 | CN2527308Y Multifunctional breathing filter |
| 12/24/2002 | US6497756 Service life indicator for respirator cartridge |
| 12/18/2002 | EP1014816B1 Respiratory masks having comfortable inner cover web |
| 12/18/2002 | CN2526036Y Air-purifying respiration health apparatus |
| 12/18/2002 | CN2526034Y Multifunctional health mask |
| 12/17/2002 | US6494205 Nasal insert filtering device |
| 12/04/2002 | EP1261395A1 Disposable breathing mask |
| 11/27/2002 | CN2522098Y Nasal-cavity-embedded filtering-humidifier |
| 11/27/2002 | CN2522097Y Improvement of electric blowing-in breathing mask structure |
| 11/26/2002 | US6485544 Parallel folded filter |
| 11/26/2002 | US6484722 Flat-folded personal respiratory protection devices and processes for preparing same |
| 11/20/2002 | EP1258267A2 Flat-folded personal respiratory protection devices and process for preparing same |
| 11/20/2002 | CN2520894Y Dust proof nose cover |
| 11/19/2002 | CA2184330C Breathing mask |
| 11/14/2002 | US20020166556 Nose airflow enhancer and filter for airborne solids and pathogens |
| 11/07/2002 | DE10152785A1 Atemluftfilter Breathing air filter |
| 11/05/2002 | US6474336 Mini pleated face mask |
| 10/31/2002 | WO2002085426A2 Respiratory air filter |
| 10/23/2002 | EP1250172A2 Filter mask |
| 10/23/2002 | CN2517453Y Nostril mask |
| 10/22/2002 | US6467481 Stackable filter device |
| 10/16/2002 | EP1164880A4 Fire escape mask |
| 10/16/2002 | CN2516182Y Nose filter |
| 10/09/2002 | CN2514860Y Smoke-filter poison-filtering self-saving mask with active plant aloes |
| 10/08/2002 | US6460539 Respirator that includes an integral filter element, an exhalation valve, and impactor element |
| 09/25/2002 | EP1243291A1 A filter and a disposable dustproof mask with use of said filter |
| 09/24/2002 | US6453902 Smoke escape mask |
| 09/18/2002 | CN1370091A Oily-mist resistant filter that has nondercreasing efficiency |
| 09/11/2002 | EP1237611A2 Respiratory nasal filter |
| 09/06/2002 | WO2002068059A1 Fire smoke cleaner |
| 09/04/2002 | CN2508791Y Nose filtering cover |
| 08/21/2002 | CN2506291Y Nose filter for preventing stive pollution |
| 08/21/2002 | CN2506290Y Air filter for human body |
| 08/20/2002 | US6435184 Gas mask structure |
| 08/14/2002 | CN1363408A Nose mask (nasal cavity air filter) |
| 08/08/2002 | US20020104543 Smoke escape mask |
| 08/01/2002 | WO2002013946A3 Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon |
| 07/25/2002 | WO2001078839A3 Self-sealing filter connection and gas mask and filter assembly incorporating the same |
| 07/24/2002 | EP1224011A1 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
| 07/24/2002 | EP1224010A1 Retention assembly with compression element and method of use |
| 07/23/2002 | US6423123 Filtering material for fluidic media and a method and device for producing such a filtering material |
| 07/17/2002 | CN2500326Y Breathing mask |
| 07/17/2002 | CN1358551A Built-in filter mask for breath |
| 07/10/2002 | CN2499061Y Health mask |
| 07/03/2002 | EP1030721B1 Respiratory masks having valves and other components attached to the mask by a printed patch of adhesive |
| 07/02/2002 | US6412486 Disposable filtering face mask and method of making same |
| 06/25/2002 | US6408845 Respiratory filter |
| 06/25/2002 | CA2225986C Respirator filtration device |
| 06/20/2002 | WO2001032265A3 Filter mask |