Patents for B03C 3 - Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect (12,140)
07/1998
07/08/1998CN1186719A Combined static field device
07/01/1998EP0850692A1 Electrostatic filter
07/01/1998CN1186454A Modular and low power ionier
06/1998
06/30/1998CA2036018C Method and system for handling exhaust gas in a boiler
06/24/1998EP0848648A1 Precipitator for cleaning of air from electrically charged aerosols
06/24/1998CN1185759A Optical dirty cell sensor for au electronic air cleaner
06/18/1998WO1998025690A1 Method of reducing the concentration of pcdd and/or pcdf in waste gases
06/18/1998DE19651822A1 Verfahren zur Verringerung der PCDD- und/oder PCDF-Konzentration in Abgasen A method of reducing PCDD and / or PCDF concentration in exhaust gases
06/17/1998EP0847806A1 Process and apparatus for electrical charging and separation of hardly removable particles from a gas stream
06/17/1998CN2284105Y Annular point pulse plasama duster
06/17/1998CN1184781A Method and device for separating particles difficult in sedimentation from gaseous fluid by charging electric charge
06/16/1998US5766319 Ammonia
06/16/1998US5766318 Precipitator for an electrostatic filter
06/12/1998CA2224453A1 Dual media air filter with electrostatic charge
06/11/1998WO1998024552A1 Gas borne particulate filtration device and method of manufacturing thereof
06/09/1998US5762691 Aerodynamic-electrostatic particulate collection system
06/09/1998CA2079786C Compact hybrid particulate collector (cohpac)
06/03/1998EP0845554A2 Method of charging electret filter media
06/03/1998EP0844903A1 Filter and method for making a filter
06/03/1998CN2282934Y Tubular electric dust remover
06/03/1998CN1183862A High voltage power supply having multiple high voltage generators
06/02/1998US5759487 Method and apparatus for sterilizing and collecting dust in an air conditioner
06/02/1998US5759240 Laminar flow electrostatic precipitator with sandwich structure electrodes
06/02/1998US5759239 Air purifier
06/02/1998US5758495 Device for exhaust silencers of engines with electrostatic field
05/1998
05/28/1998WO1998022223A1 Corona electrodes for a filter structure for separating impurities from a flow of gas, filter structure with corresponding corona electrodes and method of operation
05/28/1998WO1998022222A1 Device in connection with an electrostatic filter
05/28/1998DE19727568C1 Spray electrode for electrostatic separator
05/28/1998DE19648182A1 Koronaelektrode für eine Filteranordnung zum Abscheiden von Verunreinigungen aus einem Gasstrom, Filteranordnung mit entsprechenden Koronaelektroden sowie Verfahren zu ihrem Betrieb Corona electrode for a filter arrangement for removing contaminants from a gas stream filter assembly with corresponding corona electrode and method for its operation
05/26/1998US5757169 Electric circuit for pulse energized electrostatic precipitator and pulse energized electrostatic precipitator using this circuit
05/22/1998WO1998020979A1 Externally ionizing air filter
05/22/1998WO1998020978A1 Ionizing and polarizing electronic air filter
05/20/1998EP0841977A1 Composite fibrous filters
05/20/1998CN2281843Y High voltage dust collecting electric plate
05/14/1998WO1998019775A1 Method and device for cleaning exhaust air by separating particles and pollutant gases
05/14/1998DE19646379A1 Electrostatic filter for cleaning gas laden with particles in duct
05/13/1998EP0841085A1 Cyclon type dust collector
05/13/1998CN2281217Y Electrostatic air purifier with II style plate electrode having pins
05/07/1998DE19704461C1 Method of determining proportion of oil in gas stream
05/07/1998DE19646766A1 Verfahren und Vorrichtung zur Reinigung der Abluft von Partikeln und Schadgasen Method and apparatus for cleaning the exhaust air of particles and harmful gases
05/06/1998EP0840357A2 Method and apparatus for removing particles from surface of article
05/06/1998EP0839930A1 Apparatus for vacuum line cleaning in substrate processing equipment
05/05/1998US5747394 Post-treatment of laminated nonwoven cellulosic fiber webs
04/1998
04/29/1998CN1180444A Two-stage high voltage inductor
04/23/1998DE19705663A1 Removal of nitrous oxides and dust from flue gas
04/23/1998DE19642218A1 Oil separator for engine breather
04/22/1998EP0655131B1 Passive dust sampler
04/22/1998CN2279214Y Machine shaft kiln wetting method electrostatic precipitator
04/21/1998US5741352 Air cleaner
04/16/1998WO1998015357A1 BARRIER DISCHARGE CONVERSION OF SO2 AND NOx TO ACIDS
04/15/1998CN2278531Y Top mechanic rapping device
04/14/1998US5740024 Two-stage, high voltage inductor
04/14/1998US5738712 Circulating fluidized bed reactor comprises planer walls, maximizes swirling action of gas introduced into gas inlet in one of the planar walls
04/08/1998EP0833693A1 Device in an electrostatic precipitator for the suspending, controlling and rapping of collecting electrodes
04/08/1998CN2277820Y Air filter
04/08/1998CN1178481A Centrifugal separator assembly and method for separating particles form hot gas
04/08/1998CN1178140A Air purifier
04/07/1998US5737197 High voltage power supply having multiple high voltage generators
04/07/1998US5736113 Method for beneficiation of trona
04/02/1998WO1998013141A1 Ionizing structure for ambient air treatment
04/01/1998EP0831971A1 Method for removing undesired particles from gas
03/1998
03/26/1998WO1998011992A1 Removal of respirable particulate matter from flue gases
03/26/1998DE19639204A1 Cleaning of process air
03/19/1998WO1998010868A1 Device in connection with an electrostatic precipitator
03/18/1998EP0829304A1 Apparatus for electrostatical separation of contaminants
03/18/1998EP0828562A2 Modular and low power ionizer
03/18/1998EP0828549A1 Process for the dry desulphurisation of a combustion gas
03/18/1998CN2276378Y Machinery rapping apparatus
03/17/1998US5729564 Electrostatic precipitator for a gas discharge laser
03/17/1998US5728199 Insert for air flow ducts
03/11/1998EP0827450A1 Allergen particle exclusion and/or retention covering
03/11/1998EP0796149A4 Electrostatic precipitator for collection of multiple pollutants
03/11/1998CN2275906Y High efficiency electrostatic smoke prevention dust remover
03/10/1998US5725638 Modular electrostatic precipitation dust collection plate assembly
03/10/1998US5725623 Filter and accessory mount for upright vacuum cleaner exhaust port
03/03/1998US5723047 Compressible filter element peripherally sealed by a settable material
02/1998
02/26/1998DE19633368A1 Producing stable corona discharge for production of ozone from air, sulphur di:oxide oxidation, dust removal from air, nitride and sputtering processes
02/25/1998EP0825695A2 Power processor circuit and method for corona discharge pollutant destruction apparatus
02/25/1998EP0824377A1 Air purifier
02/25/1998CN1174431A Air cleaner
02/25/1998CN1174313A Air cleaner
02/25/1998CN1174099A Electric dust-collection unit and air-cleaning apparatus using the same
02/24/1998US5721180 Laminate filter media
02/18/1998EP0824041A2 Portable personal corona discharge device for destruction of airborne microbes and chemical toxins
02/18/1998CN2274535Y High voltage DC supply for electrostatic dust collector
02/18/1998CN1173908A Method and arrangement for claning intake air to a gas turbine
02/18/1998CN1173833A Electrostatic filter and supply air terminal
02/18/1998CN1173758A Pulse charging apparatus using electron tube for switching control
02/18/1998CN1173400A Electrostatic dust collector
02/11/1998EP0823284A1 Electrostatic precipitators
02/11/1998EP0823283A1 Electrostatic precipitators
02/10/1998US5716431 Device for separating extremely fine particles from air
02/05/1998WO1998005106A1 Electrostatic precipitator for a gas discharge laser
02/05/1998WO1998004354A1 Filter apparatus with induced voltage electrode
02/05/1998CA2261165A1 Filter apparatus with induced voltage electrode
02/04/1998EP0821840A1 Device for transport of air and/or cleaning of air using a so-called ion wind
02/04/1998EP0660752B1 Method for pollution emission reduction from glass melting furnace
02/04/1998CN1171983A Air cleaner
01/1998
01/29/1998WO1998003429A1 Barrier discharge so2 to so3 converter
01/28/1998CN2273223Y Curved polar plate combined vertical electric dust collector