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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US39630219 Jul 197415 Jun 1976Secretary of State for Trade and Industry in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandRespirators
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US42804917 Mar 198028 Jul 1981Minnesota Mining and Manufacturing CompanyPowered air respirator
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US465312416 Jul 198531 Mar 1987Scott USAFace mask having an air duct connectable to a goggle
US473061219 Mar 198615 Mar 1988Helmets LimitedHelmet with auxiliary, electrically operated service
US485256222 Feb 19881 Ago 1989Coal Industry (Patents) LimitedHelmet
US485862725 May 198822 Ago 1989Smoker's hat
US505447911 Abr 19898 Oct 1991Pulsafe Safety Products LimitedSafety visor having a rotatably mounted shield and filter
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US531802012 Ago 19927 Jun 1994IntertechniqueEquipment for respiratory protection against pollutants
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US639361716 Jun 200028 May 2002Depuy Orthopaedics, Inc.Head gear apparatus
US648101918 Ene 200119 Nov 2002Stryker InstrumentsAir filtration system including a helmet assembly
US651316829 Jun 20014 Feb 2003DePuy Orthopaedics, Inc.Head gear apparatus
US66223112 Jul 200223 Sep 2003Stryker InstrumentsAir filtration system including a helmet assembly
US67117483 Ene 200330 Mar 2004DePuy Orthopaedics, Inc.Head gear apparatus having movably mounted fan
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US690461626 Dic 200214 Jun 2005Polaris Industries Inc.Positive pressure protective helmet
US692565526 Dic 20029 Ago 2005Polaris Industries Inc.Protective helmet with selectively covered aperture
US69641162 Dic 200215 Nov 2005Ambulatory hairdryer
US69736779 Dic 200413 Dic 2005Stryker InstrumentsAir filtration system including a helmet assembly
US699069118 Jul 200331 Ene 2006DePuy Products, Inc.Head gear apparatus
US710426426 Mar 200412 Sep 20063M Innovative Properties CompanyRigid air ducting for respirator hoods and helmets
US711419414 Sep 20043 Oct 2006Thomas A. EnglishSafety helmet having a ventilation assembly
US720087329 Dic 200510 Abr 2007DePuy Products, Inc.Head gear apparatus having improved air flow arrangement
US752375012 Nov 200428 Abr 2009Breathing respirator
US775268224 Mar 200613 Jul 2010Stryker CorporationPersonal protection system including a helmet and a hood, the helmet including a ventilation system that blows air on the neck of the wearer
US780231824 Oct 200628 Sep 2010Helmet having cooling fan device
US79377758 Ago 200610 May 2011Microtek Medical, Inc.Surgical protective head gear assembly including high volume air delivery system
US793777920 Feb 200710 May 2011DePuy ProductsHead gear apparatus having improved air flow arrangement
US794605623 Ene 200824 May 2011Kroll Family TrustAmbulatory hairdryer
US806600423 Nov 200929 Nov 2011Invacare CorporationSystem and method for providing a breathing gas
US819253728 Nov 20055 Jun 2012Method and apparatus for odor control using panels of activated carbon cloth
US819622415 Sep 201012 Jun 2012Ecolab USA Inc.Surgical protective system head gear assembly including high volume air delivery system
US823472214 Dic 20077 Ago 2012Stryker CorporationPersonal protection system with head unit having easy access controls and protective covering having glare avoiding face shield
USD26343131 Dic 197923 Mar 1982Borg-Warner CorporationFire fighter's helmet
USD5296067 Abr 20043 Oct 20063M Innovative Properties CompanyAir duct