|
| US4589408 | 2 août 1984 | 20 mai 1986 | Kimberly-Clark Corporation | Surgical face mask and hood |
| US4951662 | 8 mai 1989 | 28 août 1990 | | Air circulating surgical mask unit |
| US5301689 | 9 mars 1993 | 12 avr. 1994 | Breas Medical AB | Device for temporary artificial respiration assistance for persons having snore problems |
| US5452712 | 13 janv. 1995 | 26 sept. 1995 | | Disposable smoke hood with mask and dual strap arrangement |
| US5549104 | 16 sept. 1994 | 27 août 1996 | E. D. Bullard Company | Air delivery and exhalation exhaust system for protective helmets |
| US5596985 | 31 janv. 1996 | 28 janv. 1997 | | Surgical mask |
| US6481019 | 18 janv. 2001 | 19 nov. 2002 | Stryker Instruments | Air filtration system including a helmet assembly |
| US6510850 | 8 nov. 2000 | 28 janv. 2003 | Mallinckrodt Inc. | Emergency breathing apparatus incorporating gas storage vessel comprising a polymeric container system for pressurized fluids |
| US6622311 | 2 juil. 2002 | 23 sept. 2003 | Stryker Instruments | Air filtration system including a helmet assembly |
| US6941949 | 19 déc. 2002 | 13 sept. 2005 | Kimberly-Clark Worldwide, Inc. | Disposable face mask |
| US6971389 | 20 janv. 2004 | 6 déc. 2005 | | Portable mask for detainee |
| US6973677 | 9 déc. 2004 | 13 déc. 2005 | Stryker Instruments | Air filtration system including a helmet assembly |
| US6990691 | 18 juil. 2003 | 31 janv. 2006 | DePuy Products, Inc. | Head gear apparatus |
| US7044131 | 18 mai 2004 | 16 mai 2006 | Kimberly-Clark Worldwide, Inc. | Disposable face mask |
| US7077139 | 18 mai 2004 | 18 juil. 2006 | Kimberly-Clark Worldwide, Inc. | Disposable face mask |
| US7200873 | 29 déc. 2005 | 10 avr. 2007 | DePuy Products, Inc. | Head gear apparatus having improved air flow arrangement |
| US7752682 | 24 mars 2006 | 13 juil. 2010 | Stryker Corporation | Personal protection system including a helmet and a hood, the helmet including a ventilation system that blows air on the neck of the wearer |
| US7937775 | 8 août 2006 | 10 mai 2011 | Microtek Medical, Inc. | Surgical protective head gear assembly including high volume air delivery system |
| US7937779 | 20 févr. 2007 | 10 mai 2011 | DePuy Products | Head gear apparatus having improved air flow arrangement |
| US8201273 | 18 nov. 2008 | 19 juin 2012 | Sensormatic Electronics, LLC | Protective hood |
| US8234722 | 14 déc. 2007 | 7 août 2012 | Stryker Corporation | Personal protection system with head unit having easy access controls and protective covering having glare avoiding face shield |