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Class 34/100 - Recirculation of treating gas or vapor


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Apparatus including means to recirculate the treating gas
No. of patents: 12
Last issue date: 08/07/2001


NumberTitleIssue Date
6269549Device for drying hair
A hair dryer in accord with the invention includes a hood, two staggered or asymmetrically placed fans in a base, and an airflow conduit therebetween. The hood of the device may also have an adjustable vent for regulating the amount of air delivered to th...
08/07/2001
5673494Heat protector visor
A heat protector visor (10) comprising an arcuate panel (12) to fit against a forehead (13) on a head (14) of a person 16. A bill (18) projects forwardly and curves upwardly from the arcuate panel (12). A structure (20) on the arcuate panel (12) is for gr...
10/07/1997
5435327Grooming device
A hand-held grooming device has a comb which protrudes from a slot through which air is drawn and used by a fan driven by an electric motor. Loose hairs and dandruff are thus drawn into the device and collected by a filter. The same air is then blown out ...
07/25/1995
5220931Hairdressing kit
A hairdressing kit combining a hair heating function with a haircurling function includes a hair dryer having a cylindrical air blower, cylindrical hair curlers, receivers for receiving the air blower of the hair dryer and the curlers detachably, and a ca...
06/22/1993
4977690Drier with blower motor-heated air and flow recirculation
An apparatus in which the heat for blow drying a dog's hair is generated from the cooling of a motor and from fluid friction due to air being forced through passageways within the apparatus. The apparatus includes an enclosure and at least one blower moto...
12/18/1990
4744154Measuring and controlling the moisture content of hair
Mean values of the humidity of air in a return air duct (9) of a drying hood (1) are formed at equal measurement intervals by means of a differential measuring device process in a measurement (19). A first stop signal is transmitted from the measuring dev...
05/17/1988
4486961Hair dryer
Apparatus and process for blow drying hair in which the air is dehumidified by passing it through a special housing fitted with a moisture-absorbing filter insert placed ahead of the air which impinges against the hair. A regeneratable drying agent such a...
12/11/1984
4419835Hair dryer
A hair dryer has first and second air passage desiccant bed ducts with inlets communicating with an inlet air plenum and outlets communicating with an outlet plenum having a restricted dry air outlet. A plurality of longitudinally spaced porous baffles, e...
12/13/1983
4413428Hair dryer casing
A hair dryer apparatus includes a casing in which an inner space is provided for receiving the head of the person whose hair is to be dried. A support member, which includes a motor-driven fan and a heating element, further includes a bow-shaped member wh...
11/08/1983
4118874Hair dryer, especially for long hair
Improved hair dryer has inner and outer ducts connected at one end to a centrifugal fan and at the other end to a hood. The fan sucks air through the inner duct and blows it toward said hood through the outer duct. A grille for supporting long hair is pos...
10/10/1978
4074369Shampooing unit
A lightweight shampooing unit is disclosed comprising a hood having a manifold therein for directing water, shampoo or air into the hood and an outlet for discharging water, shampoo or air, the hood being adapted to be worn on the head around the scalp ar...
02/21/1978
3972126Method and apparatus for drying hair
A method and apparatus for drying hair is disclosed. A helmet defines a space adjacent the hair and vacuum apparatus reduces the air pressure within the space. Infrared lamps apply infrared radiation to the hair and the moisture bearing fluid is removed f...
08/03/1976
 
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