| Patents for A62B 23 - Filters for breathing-protection purposes (3,172) |
|---|
| 06/20/2002 | US20020073994 Pressure regulator for a respirator system |
| 06/19/2002 | EP1214134A1 Filtration media and the manufacture thereof |
| 06/19/2002 | CN2495321Y Disposable and villus nose block for filtering dust |
| 06/13/2002 | US20020069762 Combination filter/cartridge assembly |
| 06/11/2002 | US6403197 Filter material |
| 06/05/2002 | CN1352532A Face masks having an elastic and polyolefen thermoplastic band thereto by heat and pressure |
| 05/29/2002 | EP1207953A1 Oily-mist resistant filter that has nondecreasing efficiency |
| 05/29/2002 | CN2493225Y Sanitary built-in nasal plug |
| 05/22/2002 | EP1123139A4 Flexible respirator filter |
| 05/21/2002 | US6391429 Permeable shaped structures of active particulate bonded with PSA polymer microparticulate |
| 05/16/2002 | WO2002038249A2 Combination filter/cartridge assembly |
| 05/15/2002 | EP1204453A1 Stackable filter device |
| 05/15/2002 | CN2491053Y Smoke-dust sterilizing ring |
| 05/14/2002 | US6386198 Multi-purpose oxygen face mask |
| 05/08/2002 | EP1202788A2 Charge stabilized electret filter media |
| 05/08/2002 | DE10053103A1 Nose filter disk in housing proposes computer-aided designable ergonomically integrated housing and disk of opted thickness in concentrically fluted housing. |
| 05/08/2002 | CN2489809Y Filter putted-in nostril |
| 05/08/2002 | CN2489808Y Nose filter |
| 04/23/2002 | US6375724 Humidifilter |
| 04/18/2002 | DE10046966A1 Filter membrane inserted into nostrils has outer part trapping minute particles. |
| 04/03/2002 | CN2484075Y Simple dust-proof nosal-obstraction cover |
| 04/02/2002 | US6363934 Respirator filter protective cover |
| 03/28/2002 | WO2002024279A1 Respirator that includes an integral filter element, an exhalation valve, and impactor element |
| 03/28/2002 | CA2421180A1 Respirator that includes an integral filter element, an exhalation valve, and impactor element |
| 03/27/2002 | EP0868553B1 High efficiency breathing mask fabrics |
| 03/27/2002 | EP0804263B1 Respirator having snap-fit filter cartridge |
| 03/21/2002 | WO2002022237A1 Respirator cartridge with service life indicator |
| 03/13/2002 | EP1185181A1 Face masks having an elastic and polyolefin thermoplastic band attached thereto by heat and pressure |
| 03/07/2002 | US20020026943 Retention assembly with compression element and method of use |
| 03/07/2002 | US20020026942 Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon |
| 03/06/2002 | EP1183077A1 Face mask with fan attachment |
| 02/28/2002 | US20020023651 Face mask that has a filtered exhalation valve |
| 02/27/2002 | CN1079681C Smoke filtration apparatus for emergency inhalation protection |
| 02/26/2002 | US6349721 Protective cover for air filter and for conduit connecting air filter to breathing mask |
| 02/21/2002 | WO2002013946A2 Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon |
| 02/14/2002 | WO2002011817A1 Mask frame attached with replacement mask |
| 02/14/2002 | WO2002011816A1 Respirators |
| 02/14/2002 | CA2417734A1 Respirators |
| 02/12/2002 | US6345620 Flexible respirator filter |
| 02/07/2002 | WO2001049371A3 Nose filter |
| 01/24/2002 | WO2001041629A3 Respiratory nasal filter |
| 01/23/2002 | EP1174100A2 Nasal dilator |
| 01/23/2002 | EP0814871B1 Flat-folded personal respiratory protection devices and processes for preparing same |
| 01/22/2002 | US6340402 Filters |
| 01/16/2002 | CN2471352Y Nasal filter |
| 01/15/2002 | US6338340 Filter mask |
| 01/03/2002 | US20020000229 Method and apparatus for producing a respiratory filter |
| 01/02/2002 | EP1164880A1 Fire escape mask |
| 01/02/2002 | CN1077167C High efficiency breathing mask fabrics |
| 12/27/2001 | WO2001097914A1 Pressure regulator for a respirator system |
| 12/27/2001 | US20010054424 Flexible respirator filter |
| 12/25/2001 | US6332465 Face masks having an elastic and polyolefin thermoplastic band attached thereto by heat and pressure |
| 12/19/2001 | EP1163040A1 Filter support, assembly and system |
| 12/13/2001 | US20010050081 Respirator filter protective cover |
| 12/12/2001 | CN2464361Y Breathing-cleaning adhesive stick |
| 12/12/2001 | CN1326370A Flexible respirator filter |
| 12/11/2001 | US6328775 Protection system against the penetration of contaminated air and blast waves into a protective space |
| 12/05/2001 | EP0804262B1 Respirator and filter cartridge |
| 12/05/2001 | CN2462973Y 空气过滤器 Air filter |
| 11/28/2001 | CN2461589Y Nose mask |
| 11/21/2001 | CN2460127Y Support for nose filter |
| 11/20/2001 | US6318362 Nasal dilator |
| 11/15/2001 | DE10023050A1 Air filter for insertion into the nostrils, consists of sections which can filter out particles of different sizes |
| 11/14/2001 | EP1152801A1 Device for positioning a protective and/or filtering element |
| 11/08/2001 | WO2001083368A1 Method for producing spherical activated carbon |
| 11/08/2001 | DE10021582A1 Verfahren und Vorrichtung zur Herstellung eines Atemschutzfilters Method and apparatus for producing a respirator filter |
| 10/31/2001 | EP1149605A1 Process and apparatus for producing a breathing protection filter |
| 10/30/2001 | US6308851 Use-evidencing smoke filter container system |
| 10/25/2001 | WO2001078839A2 Self-sealing filter connection and gas mask and filter assembly incorporating the same |
| 10/25/2001 | DE10018446A1 Breathing mask for pollen removal has electrostatically charged mesh does not obstruct airflow |
| 10/24/2001 | EP1147787A2 Flat-folded personal respiratory protection devices and processes for preparing same |
| 10/24/2001 | CN2455277Y Disposable nasal air filter |
| 10/18/2001 | US20010029952 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
| 10/17/2001 | EP1144109A1 Broad spectrum filter system for filtering contaminants from air or other gases |
| 10/09/2001 | US6298849 Respirator mask with snap in filter cartridge |
| 09/13/2001 | WO2001066194A1 Disposable breathing mask |
| 09/13/2001 | CA2401850A1 Disposable breathing mask |
| 09/05/2001 | CN1311705A Face mask that has a filtered exhalation valve |
| 08/30/2001 | WO2001062342A1 Nasal filter and sampler |
| 08/28/2001 | US6279570 Filter support, assembly and system |
| 08/23/2001 | US20010015205 Flat-folded personal respiratory protection devices and processes for preparing same |
| 08/22/2001 | CN2443742Y Breathing device by nose |
| 08/21/2001 | US6277178 Respirator and filter cartridge |
| 08/16/2001 | US20010013347 Respirator having a compressible press fit filter element |
| 08/16/2001 | EP1123139A1 Flexible respirator filter |
| 08/08/2001 | CN2441500Y Nasal obstruction |
| 08/08/2001 | CN2441499Y Dust-proof, anti-poison mouth mask filter box |
| 08/08/2001 | CN1306870A Invisible filter screen in nasal cavity |
| 07/26/2001 | WO2000078430A9 Charge stabilized electret filter media |
| 07/25/2001 | EP1117470A1 Filtering material for fluidic media and a method and device for producing such a filtering material |
| 07/18/2001 | EP0956067A4 Face mask with back-up smoke inhalation protection and method of operation |
| 07/17/2001 | US6261342 Method of removing particulate solid or liquid aerosol from a gas |
| 07/12/2001 | WO2001049371A2 Nose filter |
| 07/10/2001 | US6257235 Face mask with fan attachment |
| 07/04/2001 | CN2437351Y 鼻滤 Nose filter |
| 06/28/2001 | WO2001045797A1 Compact multipurpose dustproof mask |
| 06/28/2001 | WO2000078430A3 Charge stabilized electret filter media |
| 06/21/2001 | WO2001043828A1 Mask |
| 06/14/2001 | WO2001041629A2 Respiratory nasal filter |
| 06/06/2001 | CN2432952Y Rhinobyon type air filter |