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Brevets

Référencé par

Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US419562931 juil. 19741 avr. 1980Halbrand, Inc.Face mask
US42287981 mai 197921 oct. 1980Suction receptacle with hygroscopic filter
US43005497 janv. 198017 nov. 1981SurgikosOperating room face mask
US43195677 juil. 198016 mars 1982Moldex/Metric Products, Inc.Disposable face mask
US43845773 avr. 198124 mai 1983Moldex/Metric Products, Inc.Disposable face mask
US455085629 févr. 19845 nov. 1985Face mask and dispenser assembly
US461664713 août 198414 oct. 1986Parmelee Industries, Inc.Molded fiber disposable face mask having enhanced nose and chin filter-seals
US464164515 juil. 198510 févr. 1987New England Thermoplastics, Inc.Face mask
US464318220 avr. 198317 févr. 1987Max Klein
Frederick G. Crane, Jr.
Disposable protective mask
US471991120 oct. 198619 janv. 1988Air filter mask with mouth retention means
US555360820 juil. 199410 sept. 1996Tecnol Medical Products, Inc.Face mask with enhanced seal and method
US565636823 mai 199512 août 1997Minnesota Mining and Manufacturing CompanyFibrous filtration face mask having corrugated polymeric microfiber filter layer
US56997929 oct. 199623 déc. 1997Tecnol Medical Products, Inc.Face mask with enhanced facial seal
US570434921 oct. 19946 janv. 1998Tecnol Medical Products, Inc.Surgical face mask with darkened glare-reducing strip and visor
US570680431 janv. 199713 janv. 1998Minnesota Mining and Manufacturing CompanyLiquid resistant face mask having surface energy reducing agent on an intermediate layer therein
US57249646 juil. 199510 mars 1998Tecnol Medical Products, Inc.Disposable face mask with enhanced fluid barrier
US575334319 juil. 199319 mai 1998Minnesota Mining and Manufacturing CompanyCorrugated nonwoven webs of polymeric microfiber
US576307817 déc. 19969 juin 1998Minnesota Mining and Manufacturing CompanyFilter having corrugated nonwoven webs of polymeric microfiber
US576555617 juil. 199516 juin 1998Tecnol Medical Products, Inc.Disposable aerosol mask with face shield
US580429528 févr. 19978 sept. 1998Minnesota Mining and Manufacturing CompanyFibrous filtration face mask having corrugated polymeric microfiber filter layer
US586331231 oct. 199726 janv. 1999Non-entraining filter
US604178224 juin 199728 mars 20003M Innovative Properties CompanyRespiratory mask having comfortable inner cover web
US60702653 avr. 19996 juin 2000Nose warmer
US609323012 oct. 199825 juil. 2000Allegiance CorporationFilter assembly comprising two filter elements separated by a hydrophobic foam
US686898424 sept. 200222 mars 2005Kimberly-Clark Worldwide, Inc.Method of dispensing a face mask
US692318218 juil. 20022 août 20053M Innovative Properties CompanyCrush resistant filtering face mask
US694524924 sept. 200220 sept. 2005Kimberly-Clark Worldwide, Inc.Easy gripping face mask
US694849924 sept. 200227 sept. 2005Kimberly-Clark Worldwide, Inc.Easy gripping face mask
US800669417 juin 200930 août 2011Pop-open respiratory etiquette device
US811320130 juin 200814 févr. 2012Kimberly-Clark Worldwide, Inc.Collapse resistant respirator
USD27143224 juin 198115 nov. 1983Mine Safety Appliances CompanyDust filtering respirator
USD27314514 déc. 198120 mars 1984American Hospital Supply CorporationFace mask
USD27752030 sept. 198212 févr. 1985Face guard
USD3666974 oct. 199330 janv. 1996Tecnol Medical Products, Inc.Combined molded cone style face mask and visor
USD4493779 mai 200016 oct. 20013M Innovative Properties CompanyTabs on a personal respiratory protection device
USD65982018 sept. 200915 mai 20123M Innovative Properties CompanyTabs on a personal respiratory protection mask