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A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 95/3 - Concentration sensed


Subclass of Class 95 - Gas separation: processes
Definition: Process in which concentration of a constituent present
No. of patents: 70
Last issue date: 11/16/2010


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NumberTitleIssue Date
7833310Air filter, elevator having the same and air conditioning control method thereof
An air filter, an elevator having the same, and an air conditioning control method thereof purify the air inside the elevator to make the air safe and pleasant using a micro plasma ion generator (MPI). The elevator includes a cage which moves up and down in a vertic...
11/16/2010
7540900Air clarifying apparatus and air clarifying method
The air clarifying apparatus includes a negative ion generator and an indoor air circulator. It further includes an ozone generator having a capability of maintaining the average concentration value of ozone in an indoor atmosphere at 0.02 to 0.05 ppm, while the ave...
06/02/2009
7435288System for filtering particulate matter of diesel particulate filter
The present invention relates to a system for effectively filtering particulate matter from exhaust gas. Exemplary embodiments of the invention provides a system for capturing diesel-powered vehicle particulate matter in exhaust gas, the system including: a detour c...
10/14/2008
7435287Air cleaner having separate modules for collector plates and ionizing wires
An air cleaner is provided that includes one or more ionizing panels having at least one ionizing wire in connection with a voltage source. One or more collector cells separate from the one or more ionizing wire panels are releasably received within the air cleaner ...
10/14/2008
7381245System for influencing and treating the air of at least one room
An arrangement for treating room air has a first air quality sensor in an external air conduit of an air conditioning device. An ionization apparatus, an ozone sensor, an air humidity sensor, an airflow sensor, and at least one air temperature adjusting device are a...
06/03/2008
7364553Breath aerosol management and collection system
Aerosol collectors 10, 120 include pre-collection filters 100, 126, aerosol collection chambers 30, 130, and other exhaled breath conditioning and control features for providing not only accurate and efficient, but also reliable and reproducible...
04/29/2008
7351274Air filtration system control
An intense field dielectric air filtration system associated with an air conditioning unit includes a microprocessor based control system which may be connected to the thermostat of the air conditioning unit to energize the air filtration system in response to a cal...
04/01/2008
7332019Air filtration system
An air filtration system includable in and for HVAC equipment includes one or more intense field dielectric filter units and a field charging unit retained in a support structure or cabinet by a removable door which includes control circuitry and contactors engageab...
02/19/2008
7316734Volatile organic compound treatment apparatus
A volatile organic compound treatment apparatus including an adsorber coming into contact with a gas to be treated and adsorbing volatile organic compounds; a plurality of pairs of electrodes, divided into a plurality of groups, which generate electric discharge so ...
01/08/2008
7316728Method and apparatus for treating fluids
The present invention is directed to an apparatus for combining a component from a fluid composition with a reactive fluid. The apparatus includes a hollow fiber contactor (142) having a plurality of hollow fibers contained within a housing. A reactive fluid ...
01/08/2008
7311756Fanless indoor air quality treatment
An indoor air quality system for a structure is provided. The indoor air quality system includes a ventilation system and a corona discharge apparatus. The ventilation system directs air through the structure. The corona discharge apparatus is positioned within the ...
12/25/2007
7300496Methods and apparatus for air pollution control
A method for filtering particle-laden gas includes electrostatically precipitating particles from the particle-laden gas to produce a gas having residual particulates, agglomerating the residual particulates, and using a fabric filter to filter the agglomerated resi...
11/27/2007
7300493Apparatus and method for controlling air cleaning
Disclosed is an apparatus and method for controlling an air cleaning. The apparatus includes an air cleaning element, an AC high-voltage generator and a control unit. The air cleaning element generates negative ions and ozone using plasma discharge, and cleans indoo...
11/27/2007
7300499Airplane air purifier
An airplane air purifier employs high voltage electrostatic ionic air charging grid and precipitator plates for the removal of particulates and contaminants, together with germicidal capabilities provided by an ultraviolet wavelength band UVC illuminator within the ...
11/27/2007
7276103Method and device for separating molecules having different excitation spectra
The invention relates to a method for the separation of molecules having different excitation spectra, which form components of a gas. The molecules are excited by laser pulses in a way that the molecules to be separated are transferred into a state of excitation du...
10/02/2007
7270698Discharge device and air purifier
The distance between a discharge electrode and a counter electrode of a discharge device is set to not more than 10 mm such that a streamer discharge is caused between the electrodes. The frequency of sound made by the streamer discharge is raised to 6 kHz or higher...
09/18/2007
7267712Planar electric precipitator
A plane type electric precipitator includes an electrode plate of plane shape, made of electricity-conducting material; a collecting plate, parallel to the electrode plate and made of electricity-conducting material; a plurality of electrode units, placed on the ele...
09/11/2007
7262384Reaction vessel and method for synthesizing nanoparticles using cyclonic gas flow
A reaction vessel and a method for efficiently producing and collecting nanoparticles in the reaction vessel using cyclonic gas flow. Gas is injected through an inlet tangentially positioned relative to the axis of the vessel to cause the gas to form an outer helica...
08/28/2007
7261765Electrostatic precipitator
An electrostatic precipitator having a plurality of electrostatic precipitation units positioned within the electrostatic precipitator. Each of the electrostatic precipitation units includes a plurality of negative wire electrodes and a plurality of positive electro...
08/28/2007
7258730Air purifier
Disclosed is an air purifier with a small size, having an excellent air purifying capacity, capable of preventing a large amount of ozone from being generated, the ozone harmful to a human body. The air purifier includes a case, a pair of discharge electrodes provid...
08/21/2007
7235120Electrostatic aerosol filtering apparatus
A battery (16) drives an electric motor (17) which in turn drives a fan (18). A circuit board (20) controls the operation of the motor and fan to maintain the flow rate. Air is drawn through an inlet (22) and out through a vent (
06/26/2007
7226570Fly ash conditioning systems
An algorithm process for treating fly ash found in flue gas to prevent rapping reentrainment of fly ash particles comprising adding ammonia to the fly ash particles in a stoichometric amount of one part or somewhat less of ammonia to one part of sulfur trioxide, suc...
06/05/2007
7226496Spot ventilators and method for spot ventilating bathrooms, kitchens and closets
A spot ventilator and method for spot ventilating a localized environment of a building is provided. The spot ventilator includes a passage and at least one corona discharge apparatus. The passage extending between an inlet positioned in the localized environment an...
06/05/2007
7226497Fanless building ventilator
A ventilation system for a building is provided. The ventilation system includes a pair of passages between the interior and exterior of the building and at least one corona discharge apparatus for drawing fluid through the passages. The ventilation system may also ...
06/05/2007
7208023Dry dust control materials
The present invention discloses methods to reduce dusting in bulk materials, such as coal. The method includes mixing with the bulk material either a fraction of the bulk material having an electrostatic charge opposite that of the remainder of the bulk material or ...
04/24/2007
7208030Suspended particulate analyzer
An apparatus analyzes components of particulate materials suspended in air. The apparatus includes a container into which the air is introduced, a discharging electrode arranged in the container to electrically charge the particulate materials contained in the air, ...
04/24/2007
7182805Corona-discharge air mover and purifier for packaged terminal and room air conditioners
An air conditioning device for heating and/or an environment is provided. The air conditioning device includes a heat exchanging apparatus, a passage, and a corona discharge apparatus. The passage is in thermal communication with the heat exchanging apparatus and ex...
02/27/2007
7178522Agents and N2O detection apparatus
A detector that monitors the presence of halogenated agents and the presence of N2O includes a base to which a filter cannister is removably coupled. The cannister has an input for accepting exhalent from a patient or an anesthesia machine and an outlet for outputti...
02/20/2007
7175695Apparatus and method for enhancing filtration
Disclosed is a filtration enhancement apparatus and an associated method. The apparatus includes a number of electromagnetic grids that are placed in series. The first grid conditions ambient particles to generate particles with both a positive and a negative charge...
02/13/2007
7156902Wet electro-core gas particulate separator
A gas separation apparatus combines the technologies of electrostatic precipitators and centrifugal particle separators into a single unit. At an inlet into the gas separation apparatus, a water spray is introduced into the gas stream. The water spray may include va...
01/02/2007
7147692Air cleaning apparatus and method for cleaning air
The method involves contacting the air with an aqueous or non-aqueous liquid in a stand-alone system. The air may be brought into contact with the liquid using a number of different types of apparatus, including a packed column scrubber. The liquid may be non-evapor...
12/12/2006
7112238Electronic air filter with resistive screen and electronic modular assembly
A polarized media electronic air filter assembly has an electronics box mounted along one side by a slid-in fit into an open, receiving channel. Arcing between screens is reduced by using a relatively resistive material for at least one of the screens exposed to arc...
09/26/2006
7100583Filter screen and the apparatus for aiding vehicle fuel combustion and purifying exhausting gas using said filter screen
Disclosed is a filter screen and the apparatus for aiding vehicle fuel combustion and purifying exhaust gas using said filter screen which has a metallic screen body treated in a treatment tank containing a discharge electrode plate and a receiving electrode plate b...
09/05/2006
7097689Process and system for purifying gases
A process and system for purifying an impure gas to produce a purified gas in a gas purification system and protecting the system from damage by a) passing a portion of a first gas stream into a reactor vessel, which exits as a second purified gas stream; b) combini...
08/29/2006
7088112Sensor capacity sensing apparatus and sensor capacity sensing method
A capacitor C and an impedance converter Hiz are included in a feedback circuit of the first operational amplifier OP1 in series; an electrode P1 of a capacitive sensor is connected to a connection point of the said capacitor and the converter ...
08/08/2006
7081152ESP performance optimization control
A gas separation apparatus which uses electrostatic precipitators and a DC power supply is controlled to optimally remove moderate to high resistivity ash. The DC power supply is pulse width modulated to maximize the product of the peak electric field and the averag...
07/25/2006
7053647Method of detecting potential bridging effects between conducting lines in an integrated circuit
A method and system for detecting a potential reliability problem cause by electrical bridging in an integrated circuit. A voltage difference is created between two conducting lines in the integrated circuit to accelerate the bridging effect for a predetermined peri...
05/30/2006
7041153Method of measuring floating dusts
In a method of measuring particles floating in an atmosphere, the atmosphere containing the particles is sucked into a container, ions are generated from a discharge electrode disposed in the container to charge the particles with the ions. A dust-collecting electro...
05/09/2006
6989049Airborne conductive contaminant handler
An example airborne conductive contaminant handling system is described. The airborne conductive contaminant handling system may include a handling circuit that is configured to selectively pass an electric current through a conductive contaminant. The airborne cond...
01/24/2006
6964698Gas supply for electrostatic filter and electrostatic filter arrangement
The invention relates to a gas supply for an electrostatic filter and an electrostatic filter arrangement which has an electrostatic filter and a gas supply. Here, the gas supply has an incoming flow channel of constant cross-sectional area, a gas inlet hood with cr...
11/15/2005
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