USD759807S1 - Respirator mask exhalation port - Google Patents

Respirator mask exhalation port Download PDF

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Publication number
USD759807S1
USD759807S1 US29/491,544 US201429491544F USD759807S US D759807 S1 USD759807 S1 US D759807S1 US 201429491544 F US201429491544 F US 201429491544F US D759807 S USD759807 S US D759807S
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United States
Prior art keywords
respirator mask
exhalation port
mask exhalation
port
respirator
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Active
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US29/491,544
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English (en)
Inventor
David M. Blomberg
William A. Mittelstadt
Carl W. Raines, III
Mark W. Schulz
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3M Innovative Properties Co
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3M Innovative Properties Co
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Priority to US29/491,544 priority Critical patent/USD759807S1/en
Assigned to 3M INNOVATIVE PROPERTIES COMPANY reassignment 3M INNOVATIVE PROPERTIES COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BLOMBERG, DAVID M., MITTELSTADT, WILLIAM A., RAINES, Carl W., III, SCHULZ, MARK W.
Priority to AU201415973F priority patent/AU359135S/en
Priority to JPD2014-26261F priority patent/JP1530249S/ja
Application granted granted Critical
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US29/491,544 2014-05-22 2014-05-22 Respirator mask exhalation port Active USD759807S1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US29/491,544 USD759807S1 (en) 2014-05-22 2014-05-22 Respirator mask exhalation port
AU201415973F AU359135S (en) 2014-05-22 2014-11-21 Respirator mask having an exhalation port
JPD2014-26261F JP1530249S (ja) 2014-05-22 2014-11-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/491,544 USD759807S1 (en) 2014-05-22 2014-05-22 Respirator mask exhalation port

Publications (1)

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USD759807S1 true USD759807S1 (en) 2016-06-21

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ID=53795379

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US29/491,544 Active USD759807S1 (en) 2014-05-22 2014-05-22 Respirator mask exhalation port

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US (1) USD759807S1 (ja)
JP (1) JP1530249S (ja)
AU (1) AU359135S (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD816209S1 (en) * 2016-03-28 2018-04-24 3M Innovative Properties Company Respirator inlet port connection seal
USD827810S1 (en) 2016-03-28 2018-09-04 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
USD842982S1 (en) 2016-03-28 2019-03-12 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
USD864911S1 (en) * 2017-06-12 2019-10-29 Meyer Sound Laboratories, Incorporated Loudspeaker
USD864912S1 (en) * 2017-06-12 2019-10-29 Meyer Sound Laboratories, Incorporated Loudspeaker
USD908205S1 (en) * 2017-03-16 2021-01-19 Gwo-Tzong Hwang Air filtering mask

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CA82141A (en) 1903-03-04 1903-07-28 George Wells Electric chromatropes
CA106801A (en) 1907-03-08 1907-08-06 Howes Crowell Wallace Station indicator
US1413063A (en) * 1920-11-08 1922-04-18 Mckee Glass Company Glass baking dish
US2055853A (en) 1935-08-20 1936-09-29 Schwartz Nathan Separator for filter type respirators
US2062834A (en) 1935-07-06 1936-12-01 Schwartz Nathan Filtering device or separator for filter type respirators or the like
US2225395A (en) * 1940-06-26 1940-12-17 Acushnett Process Company Exhalation valve for gas masks
US2235624A (en) 1938-07-30 1941-03-18 Hygeia Filtering Corp Filter unit for respirators
US2326651A (en) * 1941-09-20 1943-08-10 Standard Products Co Exhalation valve structure for protective masks
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US2652828A (en) * 1951-03-26 1953-09-22 Willson Products Inc Respirator
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US2791216A (en) * 1954-02-22 1957-05-07 Martindale Electric Company Lt Respiratory masks
US2874693A (en) 1955-01-14 1959-02-24 Electric Storage Battery Co Respirator
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US3199524A (en) * 1962-02-26 1965-08-10 Robertshaw Controls Co Magnetically controlled exhalation valve
USD263108S (en) * 1979-12-28 1982-02-23 Juracsik Charles A Cooking utensil support for a gas range
GB2078022B (en) 1980-06-12 1984-05-31 Bayerische Motoren Werke Ag A fuse and junction box for a motor vehicle
USD281481S (en) * 1982-08-31 1985-11-26 Haute Fourneau et Fonderies de Cousances Grill
US4562837A (en) 1982-09-29 1986-01-07 Dragerwerk Aktiengesellschaft Air escape filter apparatus
US4592350A (en) * 1982-11-08 1986-06-03 American Optical Corporation Respirator
USD286213S (en) 1983-05-11 1986-10-14 Maryyanek Richard D Dual filter respirator
US4850346A (en) * 1986-10-20 1989-07-25 Wgm Safety Corp. Respirator
US4869244A (en) * 1987-12-11 1989-09-26 Nentchev Valentin N Valve-talking device
US4921512A (en) 1989-03-30 1990-05-01 American Optical Corporation Filter element
US4932399A (en) 1987-10-06 1990-06-12 Industrie Pirelli Device for replacing the filter of a gas mask in a polluted atmosphere without any contamination risk
US4934361A (en) * 1986-10-20 1990-06-19 Wgm Safety Corp. Respirator
USD314592S (en) * 1988-12-01 1991-02-12 Joe Feurey Electronic game housing
US5062421A (en) * 1987-11-16 1991-11-05 Minnesota Mining And Manufacturing Company Respiratory mask having a soft, compliant facepiece and a thin, rigid insert and method of making
USD323383S (en) * 1988-11-03 1992-01-21 Keays Jerome A Athletic bag deoderizer container
US5086768A (en) 1987-02-24 1992-02-11 Filcon Corporation Respiratory protective device
US5148803A (en) 1990-06-25 1992-09-22 Joachim Schlobohm Respirator mask with easy-to-change respirator filter
USD339658S (en) 1991-05-02 1993-09-21 Air-Ace Oy Respirator
USD362389S (en) * 1994-04-15 1995-09-19 Proex, Incorporated Side vented lid for glass liquid receptacle
USRE35062E (en) 1988-05-17 1995-10-17 Minnesota Mining And Manufacturing Company Filter element
US5463693A (en) * 1993-11-10 1995-10-31 Audiopack Sound Systems Inc. Voice amplification adapter assembly for face mask
US5515846A (en) 1994-12-06 1996-05-14 Dragerwerk Ag Respirator with a breathing filter
US5579761A (en) 1995-01-20 1996-12-03 Minnesota Mining And Manufacturing Company Respirator having snap-fit filter cartridge
US5592937A (en) * 1995-06-07 1997-01-14 Mine Safety Appliances Company Respirator mask with stiffening elements
US5611925A (en) 1994-03-23 1997-03-18 Filtration Systems, Inc. Hub ring and supporting plate for a filter and methods for manufacturing these members
US5647356A (en) 1993-07-28 1997-07-15 Donaldson Company, Inc. Respirator cartridge with sealing fit test structure and method of use
US5666949A (en) 1994-10-24 1997-09-16 Minnesota Mining And Manufacturing Company Exposure indicator with continuous alarm signal indicating multiple conditions
US5669375A (en) 1995-09-21 1997-09-23 Dragerwerk Aktiengesellschaft Breathing mask
USD390653S (en) * 1997-03-04 1998-02-10 Blasdell Richard J Inhaler
US5720280A (en) * 1995-05-03 1998-02-24 Minnesota Mining And Manufacturing Company Attenuator for use with respirators
USD408414S (en) * 1998-05-01 1999-04-20 Labtec, Inc. Microphone grille
US5924420A (en) * 1996-09-24 1999-07-20 Minnesota Mining And Manufacturing Company Full face respirator mask having integral connectors disposed in lens area
US6016804A (en) * 1997-10-24 2000-01-25 Scott Technologies, Inc. Respiratory mask and method of making thereof
US6062221A (en) * 1997-10-03 2000-05-16 3M Innovative Properties Company Drop-down face mask assembly
US6216693B1 (en) 1995-01-20 2001-04-17 3M Innovative Properties Company Respirator having a compressible press fir filter element
USD441441S1 (en) * 1999-11-02 2001-05-01 Reckitt & Colman Products Limited Air freshener
US6298849B1 (en) 1999-10-14 2001-10-09 Moldex-Metric, Inc. Respirator mask with snap in filter cartridge
US6382206B1 (en) * 1993-10-01 2002-05-07 3M Innovative Properties Company Speech transmission adaptor for use with a respirator mask
US20020195109A1 (en) 2001-06-25 2002-12-26 3M Innovative Properties Company Respirator valve
US6550479B1 (en) 2000-07-26 2003-04-22 James Neil Duxbury Personal respirator
USD473937S1 (en) * 2001-10-16 2003-04-29 Cabot Safety Intermediate Corp. Respirator
US6575165B1 (en) 2000-08-03 2003-06-10 3M Innovative Properties Company Apparatus and method for breathing apparatus component coupling
WO2003090873A1 (en) 2002-04-26 2003-11-06 Avon Protection Systems, Inc. Gas mask filter canister
US20030217752A1 (en) 2002-03-27 2003-11-27 Rudiger Muller Connection component for a respirator product
US20040003810A1 (en) 2002-05-29 2004-01-08 Templeton Randall D. Respirator Hood Assembly
US6732733B1 (en) * 1997-10-03 2004-05-11 3M Innovative Properties Company Half-mask respirator with head harness assembly
US6761169B2 (en) 2000-08-17 2004-07-13 Vase Technology Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon
WO2004071565A1 (en) 2003-02-12 2004-08-26 Fisher & Paykel Healthcare Limited Patient interface
US6793702B2 (en) 2000-06-28 2004-09-21 Muniyapla Eswarappa Filter cartridge platform and filter cartridge for use on the platform
US20050126572A1 (en) 2003-12-11 2005-06-16 Safety Tech International Inc. Pneumatic sealing system for protection masks
USD518571S1 (en) 2003-11-07 2006-04-04 3M Innovative Properties Company Face mask carriage
USD528993S1 (en) * 2005-09-09 2006-09-26 Hannspree, Inc. Remote control
US20060254592A1 (en) * 2005-01-28 2006-11-16 Bruce Anders Respiratory mask
USD535003S1 (en) * 2005-03-04 2007-01-09 Reckitt Benckiser (Uk) Limited Air freshener device
RU63184U1 (ru) 2006-07-19 2007-05-27 Открытое Акционерное Общество "ОКБ "Октава" Шлемофон
USD552925S1 (en) * 2004-06-23 2007-10-16 Heinrich Berndes Gmbh & Co. Kg Pan
KR100773460B1 (ko) 2006-09-22 2007-11-06 노영도 방진 및 방독 마스크
USD561246S1 (en) * 2006-12-27 2008-02-05 Casio Keisanki Kabushiki Kaisha Electronic calculator
CN300757753S (zh) 2007-04-20 2008-03-19 林中选 防毒面具
US20080156329A1 (en) * 2007-01-03 2008-07-03 Gerson Ronald L Cartridge Respirator with Integral Filter Adaptor
WO2008082415A1 (en) 2007-01-03 2008-07-10 Louis M. Gerson Co., Inc. Cartridge respirator with integral filter connector
US7419526B2 (en) 2005-03-03 2008-09-02 3M Innovative Properties Company Conformal filter cartridges and methods
USD604724S1 (en) * 2007-07-30 2009-11-24 Aruba Networks, Inc. Wireless local area network device
US20100059060A1 (en) * 2006-11-20 2010-03-11 Filtoro Aktiebolag Small size breathing protective device arranged to be held in the users mouth.
US20100218761A1 (en) * 2007-08-31 2010-09-02 3M Innovative Properties Company Unitary respirator with molded thermoset elastomeric elements
US7827990B1 (en) 2000-02-25 2010-11-09 Map Medizin-Technologie Gmbh Sealing lip device for a respiratory mask, respiratory mask and a method and a mould for producing the same
US20120000465A1 (en) 2010-07-01 2012-01-05 Cavaliere Mark L Indicator Arrangement, Regulator Release Button, and Breathing Apparatus
USD652070S1 (en) * 2010-07-15 2012-01-10 Sharp Kabushiki Kaisha Electronic calculator
US20120024289A1 (en) 2010-07-29 2012-02-02 Jsp Limited Headgear-mountable respirator
US20120174922A1 (en) 2009-07-17 2012-07-12 Alexander Virr Respirator
GB2490507A (en) 2011-05-03 2012-11-07 Intersurgical Ag Respiratory mask with two part seal for different users
USD678508S1 (en) 2011-04-15 2013-03-19 3M Innovative Properties Company Filter cartridge intake profile
USD683446S1 (en) 2010-12-01 2013-05-28 Resmed Limited Cushion for respiratory mask
US20140216447A1 (en) * 2013-02-01 2014-08-07 3M Innovative Properties Company Respirator mask speech enhancement apparatus and method
US20140216448A1 (en) * 2013-02-01 2014-08-07 3M Innovative Properties Company Respirator mask speech enhancement apparatus and method
US20140251327A1 (en) * 2013-02-01 2014-09-11 3M Innovative Properties Company Respirator negative pressure fit check devices and methods
US20150034080A1 (en) * 2012-02-23 2015-02-05 Koken Ltd. Respiratory protection device
US9034489B2 (en) * 2009-07-03 2015-05-19 3M Innovative Properties Company Hydrophilic coatings, articles, coating compositions and methods
US20150136141A1 (en) * 2013-11-15 2015-05-21 3M Innovative Properties Company Respirator Having Noncircular Centroid-Mounted Exhalation Valve
US20150238785A1 (en) * 2014-01-10 2015-08-27 Shu Yuan Chuang Nasal Mask

Patent Citations (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA82141A (en) 1903-03-04 1903-07-28 George Wells Electric chromatropes
CA106801A (en) 1907-03-08 1907-08-06 Howes Crowell Wallace Station indicator
US1413063A (en) * 1920-11-08 1922-04-18 Mckee Glass Company Glass baking dish
US2062834A (en) 1935-07-06 1936-12-01 Schwartz Nathan Filtering device or separator for filter type respirators or the like
US2055853A (en) 1935-08-20 1936-09-29 Schwartz Nathan Separator for filter type respirators
US2235624A (en) 1938-07-30 1941-03-18 Hygeia Filtering Corp Filter unit for respirators
US2225395A (en) * 1940-06-26 1940-12-17 Acushnett Process Company Exhalation valve for gas masks
US2326651A (en) * 1941-09-20 1943-08-10 Standard Products Co Exhalation valve structure for protective masks
US2505173A (en) * 1948-12-24 1950-04-25 American Optical Corp Respirator
US2640481A (en) * 1950-02-14 1953-06-02 American Optical Corp Exhalation valve
US2652828A (en) * 1951-03-26 1953-09-22 Willson Products Inc Respirator
US2791216A (en) * 1954-02-22 1957-05-07 Martindale Electric Company Lt Respiratory masks
US2787333A (en) 1954-07-13 1957-04-02 Harris D Boone Filter and gas mask canister employing same
US2874693A (en) 1955-01-14 1959-02-24 Electric Storage Battery Co Respirator
US2893163A (en) * 1957-05-20 1959-07-07 Ernest Hazel Jr Inc Coaster
US3085591A (en) * 1960-08-22 1963-04-16 Mine Safety Appliances Co Exhalation valve
US3199524A (en) * 1962-02-26 1965-08-10 Robertshaw Controls Co Magnetically controlled exhalation valve
USD263108S (en) * 1979-12-28 1982-02-23 Juracsik Charles A Cooking utensil support for a gas range
GB2078022B (en) 1980-06-12 1984-05-31 Bayerische Motoren Werke Ag A fuse and junction box for a motor vehicle
USD281481S (en) * 1982-08-31 1985-11-26 Haute Fourneau et Fonderies de Cousances Grill
US4562837A (en) 1982-09-29 1986-01-07 Dragerwerk Aktiengesellschaft Air escape filter apparatus
US4592350A (en) * 1982-11-08 1986-06-03 American Optical Corporation Respirator
USD286213S (en) 1983-05-11 1986-10-14 Maryyanek Richard D Dual filter respirator
US4850346A (en) * 1986-10-20 1989-07-25 Wgm Safety Corp. Respirator
US4934361A (en) * 1986-10-20 1990-06-19 Wgm Safety Corp. Respirator
US5086768A (en) 1987-02-24 1992-02-11 Filcon Corporation Respiratory protective device
US4932399A (en) 1987-10-06 1990-06-12 Industrie Pirelli Device for replacing the filter of a gas mask in a polluted atmosphere without any contamination risk
US5062421A (en) * 1987-11-16 1991-11-05 Minnesota Mining And Manufacturing Company Respiratory mask having a soft, compliant facepiece and a thin, rigid insert and method of making
US4869244A (en) * 1987-12-11 1989-09-26 Nentchev Valentin N Valve-talking device
USRE35062E (en) 1988-05-17 1995-10-17 Minnesota Mining And Manufacturing Company Filter element
USD323383S (en) * 1988-11-03 1992-01-21 Keays Jerome A Athletic bag deoderizer container
USD314592S (en) * 1988-12-01 1991-02-12 Joe Feurey Electronic game housing
US4921512A (en) 1989-03-30 1990-05-01 American Optical Corporation Filter element
US5148803A (en) 1990-06-25 1992-09-22 Joachim Schlobohm Respirator mask with easy-to-change respirator filter
USD339658S (en) 1991-05-02 1993-09-21 Air-Ace Oy Respirator
US5647356A (en) 1993-07-28 1997-07-15 Donaldson Company, Inc. Respirator cartridge with sealing fit test structure and method of use
US6382206B1 (en) * 1993-10-01 2002-05-07 3M Innovative Properties Company Speech transmission adaptor for use with a respirator mask
US5463693A (en) * 1993-11-10 1995-10-31 Audiopack Sound Systems Inc. Voice amplification adapter assembly for face mask
US5611925A (en) 1994-03-23 1997-03-18 Filtration Systems, Inc. Hub ring and supporting plate for a filter and methods for manufacturing these members
USD362389S (en) * 1994-04-15 1995-09-19 Proex, Incorporated Side vented lid for glass liquid receptacle
US5666949A (en) 1994-10-24 1997-09-16 Minnesota Mining And Manufacturing Company Exposure indicator with continuous alarm signal indicating multiple conditions
US5515846A (en) 1994-12-06 1996-05-14 Dragerwerk Ag Respirator with a breathing filter
US5579761A (en) 1995-01-20 1996-12-03 Minnesota Mining And Manufacturing Company Respirator having snap-fit filter cartridge
US20010013347A1 (en) 1995-01-20 2001-08-16 3M Innovative Properties Company Respirator having a compressible press fit filter element
US6216693B1 (en) 1995-01-20 2001-04-17 3M Innovative Properties Company Respirator having a compressible press fir filter element
US5720280A (en) * 1995-05-03 1998-02-24 Minnesota Mining And Manufacturing Company Attenuator for use with respirators
US5592937A (en) * 1995-06-07 1997-01-14 Mine Safety Appliances Company Respirator mask with stiffening elements
US5669375A (en) 1995-09-21 1997-09-23 Dragerwerk Aktiengesellschaft Breathing mask
US5924420A (en) * 1996-09-24 1999-07-20 Minnesota Mining And Manufacturing Company Full face respirator mask having integral connectors disposed in lens area
USD390653S (en) * 1997-03-04 1998-02-10 Blasdell Richard J Inhaler
US6062221A (en) * 1997-10-03 2000-05-16 3M Innovative Properties Company Drop-down face mask assembly
US6732733B1 (en) * 1997-10-03 2004-05-11 3M Innovative Properties Company Half-mask respirator with head harness assembly
US6016804A (en) * 1997-10-24 2000-01-25 Scott Technologies, Inc. Respiratory mask and method of making thereof
USD408414S (en) * 1998-05-01 1999-04-20 Labtec, Inc. Microphone grille
US6298849B1 (en) 1999-10-14 2001-10-09 Moldex-Metric, Inc. Respirator mask with snap in filter cartridge
USD441441S1 (en) * 1999-11-02 2001-05-01 Reckitt & Colman Products Limited Air freshener
US7827990B1 (en) 2000-02-25 2010-11-09 Map Medizin-Technologie Gmbh Sealing lip device for a respiratory mask, respiratory mask and a method and a mould for producing the same
US6793702B2 (en) 2000-06-28 2004-09-21 Muniyapla Eswarappa Filter cartridge platform and filter cartridge for use on the platform
US6550479B1 (en) 2000-07-26 2003-04-22 James Neil Duxbury Personal respirator
US6575165B1 (en) 2000-08-03 2003-06-10 3M Innovative Properties Company Apparatus and method for breathing apparatus component coupling
US6761169B2 (en) 2000-08-17 2004-07-13 Vase Technology Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon
US20020195109A1 (en) 2001-06-25 2002-12-26 3M Innovative Properties Company Respirator valve
USD473937S1 (en) * 2001-10-16 2003-04-29 Cabot Safety Intermediate Corp. Respirator
US20030217752A1 (en) 2002-03-27 2003-11-27 Rudiger Muller Connection component for a respirator product
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US20040003810A1 (en) 2002-05-29 2004-01-08 Templeton Randall D. Respirator Hood Assembly
WO2004071565A1 (en) 2003-02-12 2004-08-26 Fisher & Paykel Healthcare Limited Patient interface
USD518571S1 (en) 2003-11-07 2006-04-04 3M Innovative Properties Company Face mask carriage
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USD535003S1 (en) * 2005-03-04 2007-01-09 Reckitt Benckiser (Uk) Limited Air freshener device
USD528993S1 (en) * 2005-09-09 2006-09-26 Hannspree, Inc. Remote control
RU63184U1 (ru) 2006-07-19 2007-05-27 Открытое Акционерное Общество "ОКБ "Октава" Шлемофон
KR100773460B1 (ko) 2006-09-22 2007-11-06 노영도 방진 및 방독 마스크
US20100059060A1 (en) * 2006-11-20 2010-03-11 Filtoro Aktiebolag Small size breathing protective device arranged to be held in the users mouth.
USD561246S1 (en) * 2006-12-27 2008-02-05 Casio Keisanki Kabushiki Kaisha Electronic calculator
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US20080156329A1 (en) * 2007-01-03 2008-07-03 Gerson Ronald L Cartridge Respirator with Integral Filter Adaptor
CN300757753S (zh) 2007-04-20 2008-03-19 林中选 防毒面具
CN300801845S (zh) 2007-06-21 2008-07-09 广州市高坚劳保用品有限公司 呼吸保护器全面罩(0701)
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US20100218761A1 (en) * 2007-08-31 2010-09-02 3M Innovative Properties Company Unitary respirator with molded thermoset elastomeric elements
US20150128936A1 (en) * 2007-08-31 2015-05-14 3M Innovative Properties Company Unitary Respirator With Molded Thermoset Elastomeric Elements
US9034489B2 (en) * 2009-07-03 2015-05-19 3M Innovative Properties Company Hydrophilic coatings, articles, coating compositions and methods
US20120174922A1 (en) 2009-07-17 2012-07-12 Alexander Virr Respirator
CN301345091S (zh) 2009-11-23 2010-09-08 浙江衢州南核特种劳动防护用品科技有限公司 防尘面罩(自吸过滤式)
US20120000465A1 (en) 2010-07-01 2012-01-05 Cavaliere Mark L Indicator Arrangement, Regulator Release Button, and Breathing Apparatus
USD652070S1 (en) * 2010-07-15 2012-01-10 Sharp Kabushiki Kaisha Electronic calculator
US20120024289A1 (en) 2010-07-29 2012-02-02 Jsp Limited Headgear-mountable respirator
USD683446S1 (en) 2010-12-01 2013-05-28 Resmed Limited Cushion for respiratory mask
CN301787238S (zh) 2010-12-01 2012-01-04 雷斯梅德有限公司 呼吸面罩的软垫
CN302193139S (zh) 2011-04-15 2012-11-21 3M创新有限公司 过滤器芯子
USD678508S1 (en) 2011-04-15 2013-03-19 3M Innovative Properties Company Filter cartridge intake profile
GB2490507A (en) 2011-05-03 2012-11-07 Intersurgical Ag Respiratory mask with two part seal for different users
CN301863214S (zh) 2011-10-09 2012-03-14 荆州思创科技开发有限公司 防毒防尘面罩（一）
CN301841897S (zh) 2011-10-12 2012-02-15 荆州思创科技开发有限公司 防毒防尘面罩（二）
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