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Class Information
Number: 2/171.3
Name: Apparel > Head coverings > With forced air circulator
Description: Head covering combined with means to produce movement of air into, through or out of the head covering.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8695121 Actively ventilated helmet systems and methods Apr. 15, 2014
8683617 Multi-component helmet with ventilation shutter Apr. 1, 2014
8667960 Radial blower with shaped scroll profile Mar. 11, 2014
8640264 Cap which utilizes an airfoil effect for inducing cooling Feb. 4, 2014
8590062 Portable personally attachable systems for delivering conditioned air to personal breathing zones and other body areas Nov. 26, 2013
8516617 Hat with enhanced ventilation Aug. 27, 2013
8407818 Method of manufacturing a hood for use with a personal protection system Apr. 2, 2013
8359662 Protective device Jan. 29, 2013
8336113 Cool, clean air welding helmet Dec. 25, 2012
8302599 Protective headgear system with filter protector Nov. 6, 2012
8256032 In-mold protective helmet having integrated ventilation system Sep. 4, 2012
8196224 Surgical protective system head gear assembly including high volume air delivery system Jun. 12, 2012
8176575 Shield for helmet, and helmet including such shield May. 15, 2012
8136169 Headwear cooling system and associated method Mar. 20, 2012
7937775 Surgical protective head gear assembly including high volume air delivery system May. 10, 2011
7921473 Head cooling apparatus Apr. 12, 2011
7827620 Air conditioned helmet apparatus Nov. 9, 2010
7823586 Personal respiratory protection system Nov. 2, 2010
7802318 Helmet having cooling fan device Sep. 28, 2010
7752682 Personal protection system including a helmet and a hood, the helmet including a ventilation system that blows air on the neck of the wearer Jul. 13, 2010
7748059 Helmet Jul. 6, 2010
7735156 Head unit for a medical/surgical personal protection system with a head band and a ventilation unit that is adjustably position relative to the head band Jun. 15, 2010
7694353 Air circulation system for protective helmet and helmet containing the same Apr. 13, 2010
7413506 Ventilated helmet Aug. 19, 2008
7331064 Ventilated cap apparatus Feb. 19, 2008
7296304 Crash helmet with thermoelectric cooling Nov. 20, 2007
7290292 Combined solar powered fan and hat arrangement for maximizing airflow through the hat Nov. 6, 2007
7275535 Respiration hood useful in biological, radiological and chemical emergencies Oct. 2, 2007
7200873 Head gear apparatus having improved air flow arrangement Apr. 10, 2007
7197774 Supplied air helmet having face seal with differentiated permeability Apr. 3, 2007
7192151 Light array for a surgical helmet Mar. 20, 2007
7143451 Hat including active ventilation Dec. 5, 2006
7114194 Safety helmet having a ventilation assembly Oct. 3, 2006
7114195 Neonate warmth stocking cap Oct. 3, 2006
7111329 Helmet reinforcement system Sep. 26, 2006
7104264 Rigid air ducting for respirator hoods and helmets Sep. 12, 2006
7083514 Air-filtration system for vehicle operator Aug. 1, 2006
7036502 Air curtain device May. 2, 2006
7010813 Leisure sports helmet Mar. 14, 2006
6990691 Head gear apparatus Jan. 31, 2006
6973676 Protective helmet with integral air supply Dec. 13, 2005
6973677 Air filtration system including a helmet assembly Dec. 13, 2005
6966067 Boating helmet Nov. 22, 2005
6961963 Modular helmet Nov. 8, 2005
6954944 Air conditioned helmet apparatus Oct. 18, 2005
6944885 Sheet with grommet to provide fluid-impervious seal around object penetrating sheet Sep. 20, 2005
6925655 Protective helmet with selectively covered aperture Aug. 9, 2005
6918141 Protective headgear system Jul. 19, 2005
6910228 Helmet Jun. 28, 2005
6904616 Positive pressure protective helmet Jun. 14, 2005

1 2 3 4










 
 
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