US1268696A
(en)
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1918-02-06 |
1918-06-04 |
Robert Donald |
Respirator or inhaler.
|
US1906822A
(en)
*
|
1932-02-12 |
1933-05-02 |
F H Noble & Company |
Jewelry box
|
US2999498A
(en)
|
1957-05-07 |
1961-09-12 |
Electric Storage Battery Co |
Respirator
|
FR1475015A
(fr)
|
1966-02-18 |
1967-03-31 |
Commissariat Energie Atomique |
Dispositif d'expiration pour masques respiratoires
|
US4414973A
(en)
|
1981-03-10 |
1983-11-15 |
U.S.D. Corp. |
Respirator face mask
|
JPS6097123U
(ja)
|
1983-12-10 |
1985-07-02 |
株式会社モリタ製作所 |
歯科治療台
|
GB8428640D0
(en)
|
1984-11-13 |
1984-12-19 |
Avon Ind Polymers |
Valve for respirator
|
EP0266456A1
(de)
|
1986-11-06 |
1988-05-11 |
Moldex-Metric AG & Co.KG |
Filtrierende Halbmaske
|
US4749003A
(en)
|
1987-01-22 |
1988-06-07 |
Filtertek, Inc. |
Center flow check valve
|
US4934362A
(en)
|
1987-03-26 |
1990-06-19 |
Minnesota Mining And Manufacturing Company |
Unidirectional fluid valve
|
US4838262A
(en)
|
1988-05-02 |
1989-06-13 |
Mine Safety Appliances Company |
Exhalation valve
|
US4981134A
(en)
|
1990-01-16 |
1991-01-01 |
Courtney Darryl W |
Filtering face mask with inhalation/exhalation check valves
|
DE4029939A1
(de)
|
1990-09-21 |
1992-03-26 |
Am Produkte Gmbh |
Ventil fuer staubschutzmasken
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CA2134764C
(en)
*
|
1992-05-29 |
1999-04-27 |
Daniel A. Japuntich |
Unidirectional fluid valve
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US5325892A
(en)
*
|
1992-05-29 |
1994-07-05 |
Minnesota Mining And Manufacturing Company |
Unidirectional fluid valve
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US7117868B1
(en)
*
|
1992-05-29 |
2006-10-10 |
3M Innovative Properties Company |
Fibrous filtration face mask having a new unidirectional fluid valve
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USD347298S
(en)
*
|
1992-10-13 |
1994-05-24 |
Minnesota Mining And Manufacturing Company |
Valve cover
|
USD347299S
(en)
*
|
1992-10-13 |
1994-05-24 |
Minnesota Mining And Manufacturing Company |
Valve cover
|
US5331957A
(en)
|
1993-02-05 |
1994-07-26 |
Liu Chin Chia |
Respirator for only filtering air inhaled
|
GB9515986D0
(en)
*
|
1995-08-04 |
1995-10-04 |
Racal Health & Safety Ltd |
Uni-directional fluid valve
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USRE43289E1
(en)
*
|
1995-08-04 |
2012-04-03 |
3M Innovative Properties Company |
Uni-directional fluid valve
|
USD389239S
(en)
*
|
1996-08-19 |
1998-01-13 |
Moldex-Metric, Inc. |
Valve
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USD431647S
(en)
*
|
1996-09-06 |
2000-10-03 |
3M Innovative Properties Company |
Personal respiratory protection device having an exhalation valve
|
US5758765A
(en)
*
|
1996-12-26 |
1998-06-02 |
Ovadia; Joseph |
Jewelry pad with hinged bottom cover
|
FR2767482B1
(fr)
|
1997-08-20 |
1999-10-29 |
Graham Hamilton Millar |
Dispositif souffleur incorpore dans un masque anti-poussiere
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GB9723740D0
(en)
*
|
1997-11-11 |
1998-01-07 |
Minnesota Mining & Mfg |
Respiratory masks incorporating valves or other attached components
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US6102039A
(en)
*
|
1997-12-01 |
2000-08-15 |
3M Innovative Properties Company |
Molded respirator containing sorbent particles
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US6584976B2
(en)
*
|
1998-07-24 |
2003-07-01 |
3M Innovative Properties Company |
Face mask that has a filtered exhalation valve
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US6047698A
(en)
|
1998-08-20 |
2000-04-11 |
Moldex-Metric, Inc. |
Unidirectional fluid valve
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US6604524B1
(en)
|
1999-10-19 |
2003-08-12 |
3M Innovative Properties Company |
Manner of attaching component elements to filtration material such as may be utilized in respiratory masks
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US6460539B1
(en)
*
|
2000-09-21 |
2002-10-08 |
3M Innovative Properties Company |
Respirator that includes an integral filter element, an exhalation valve, and impactor element
|
US6883518B2
(en)
|
2001-06-25 |
2005-04-26 |
3M Innovative Properties Company |
Unidirectional respirator valve
|
ATE392228T1
(de)
|
2001-06-27 |
2008-05-15 |
Fisher & Paykel Healthcare Ltd |
Ausatemventil für eine nasale beatmungsmaske
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US7028689B2
(en)
|
2001-11-21 |
2006-04-18 |
3M Innovative Properties Company |
Filtering face mask that uses an exhalation valve that has a multi-layered flexible flap
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WO2004112906A1
(en)
|
2003-06-17 |
2004-12-29 |
Louis M. Gerson Co., Inc. |
Respirator mask and valve
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US7188622B2
(en)
|
2003-06-19 |
2007-03-13 |
3M Innovative Properties Company |
Filtering face mask that has a resilient seal surface in its exhalation valve
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JP4089584B2
(ja)
|
2003-10-01 |
2008-05-28 |
日立工機株式会社 |
圧縮空気ねじ締め機
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ITPS20040007A1
(it)
|
2004-02-18 |
2004-05-18 |
Cl Com Advanced Tecnology Srl |
Maschera di protezione contro gli agenti biologici
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EP1647310B1
(de)
|
2004-10-15 |
2007-08-15 |
Moldex-Metric Ag & Co. Kg |
Atemschutzmaske mit Ausatemventil
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US7503326B2
(en)
|
2005-12-22 |
2009-03-17 |
3M Innovative Properties Company |
Filtering face mask with a unidirectional valve having a stiff unbiased flexible flap
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US7858163B2
(en)
*
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2006-07-31 |
2010-12-28 |
3M Innovative Properties Company |
Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media
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US7905973B2
(en)
*
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2006-07-31 |
2011-03-15 |
3M Innovative Properties Company |
Molded monocomponent monolayer respirator
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US7989372B2
(en)
*
|
2007-06-22 |
2011-08-02 |
3M Innovative Properties Company |
Molded respirator comprising meltblown fiber web with staple fibers
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US20090000624A1
(en)
*
|
2007-06-28 |
2009-01-01 |
3M Innovative Properties Company |
Respirator having a harness and methods of making and fitting the same
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US20090044811A1
(en)
|
2007-08-16 |
2009-02-19 |
Kimberly-Clark Worldwide, Inc. |
Vent and strap fastening system for a disposable respirator providing improved donning
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US20090235934A1
(en)
*
|
2008-03-24 |
2009-09-24 |
3M Innovative Properties Company |
Filtering face-piece respirator having an integrally-joined exhalation valve
|
KR100912233B1
(ko)
|
2008-12-12 |
2009-08-14 |
(주)피앤티디 |
마스크
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WO2011026515A1
(en)
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2009-09-02 |
2011-03-10 |
John Ribchester |
Face mask
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USD657053S1
(en)
*
|
2009-09-22 |
2012-04-03 |
World Wide Welding, Inc. |
Dust mask
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USD657052S1
(en)
*
|
2009-09-22 |
2012-04-03 |
World Wide Welding, Inc. |
Dust mask
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USD676527S1
(en)
*
|
2009-12-16 |
2013-02-19 |
3M Innovative Properties Company |
Unidirectional valve
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US8365771B2
(en)
*
|
2009-12-16 |
2013-02-05 |
3M Innovative Properties Company |
Unidirectional valves and filtering face masks comprising unidirectional valves
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US20120125341A1
(en)
*
|
2010-11-19 |
2012-05-24 |
3M Innovative Properties Company |
Filtering face-piece respirator having an overmolded face seal
|
US20120125342A1
(en)
*
|
2010-11-19 |
2012-05-24 |
3M Innovative Properties Company |
Filtering face-piece respirator having support structure injection molded to filtering structure
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CN202751705U
(zh)
|
2012-09-03 |
2013-02-27 |
上海港凯净化制品有限公司 |
一种呼吸阀结构
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US9408424B2
(en)
*
|
2013-01-10 |
2016-08-09 |
3M Innovative Properties Company |
Filtering face-piece respirator having a face seal comprising a water-vapor-breathable layer
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KR102295559B1
(ko)
*
|
2013-07-15 |
2021-08-30 |
쓰리엠 이노베이티브 프로퍼티즈 캄파니 |
광학적 활성 호기 밸브를 갖는 호흡기
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EP3148623A4
(en)
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2014-05-26 |
2017-12-20 |
Innosparks Pte Ltd |
Respiratory device with unidirectional valve for attaching active venting system
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CN104147719B
(zh)
|
2014-08-12 |
2017-11-10 |
广州拜费尔空气净化材料有限公司 |
带有呼吸阀的口罩
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GB201421618D0
(en)
*
|
2014-12-04 |
2015-01-21 |
3M Innovative Properties Co |
Respirator valve
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RU154233U1
(ru)
|
2014-12-08 |
2015-08-20 |
Общество с ограниченной ответственностью "Уралспецзащита" |
Респиратор складной
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CN204519423U
(zh)
|
2015-04-17 |
2015-08-05 |
封志刚 |
一种带有全封闭式波纹管呼吸阀的双向防护口罩
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CN205055246U
(zh)
|
2015-10-13 |
2016-03-02 |
马斐 |
口罩用直接呼出阀
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USD827811S1
(en)
*
|
2016-09-16 |
2018-09-04 |
3M Innovative Properties Company |
Valve cover
|
USD827812S1
(en)
*
|
2016-09-16 |
2018-09-04 |
3M Innovative Properties Company |
Valve cover with openings
|
USD828546S1
(en)
*
|
2016-09-16 |
2018-09-11 |
3M Innovative Properties Company |
Valve cover with openings
|