Patents for B03C 3 - Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect (12,140)
11/1999
11/17/1999CN2348934Y Oil dust separator for electrostatic oil dust collector
11/17/1999CN1235262A Air conditioner having air cleaning function
11/11/1999DE19819939A1 Electrostatic air filter for removal of microorganisms
11/10/1999CN2347667Y Reliable anti-dewing electrostatic dust collector
11/09/1999US5982102 Device for transport of air and/or cleaning of air using a so called ion wind
11/09/1999US5980614 Air cleaning apparatus
11/09/1999US5980610 Apparatus and method for improving electrostatic precipitator performance by plasma reactor conversion of SO2 to SO3
11/03/1999EP0953377A1 Method for establishing a fluid containing size-controlled particles
11/03/1999CN1233535A Electric dust collecting means
10/1999
10/27/1999EP0900117A4 Control systems for operating gas cleaning devices
10/27/1999CN1233195A Barrier discharge conversion of SO2 and NOx to acids
10/27/1999CN1232948A Air conditioner with air cleaner
10/26/1999US5972215 Continuous particle separation and removal cleaning system
10/26/1999US5972076 Method of charging an electrostatic precipitator
10/21/1999DE19817580A1 Electro-filter for liquid or gas flows
10/20/1999EP0949958A1 Method and device for cleaning exhaust air by separating particles and pollutant gases
10/20/1999EP0686066B1 Apparatus and method of air purification
10/20/1999CN2344088Y Microwave desulfurization dust-removing device
10/19/1999US5968231 Cyclone exchanger with tranquilizing tank and method for purifying and decontaminating air
10/13/1999EP0916175A4 Electrostatic precipitator for a gas discharge laser
10/13/1999CN2342894Y Air purifier with secondary adsorption dust collector
10/13/1999CN2342893Y Electronic fume filter
10/13/1999CN1045546C Post-treatment of laminated nonwoven cellulosic fiber webs
10/12/1999US5964926 Gas born particulate filter and method of making
10/12/1999US5964344 Wafer storage box and method for preventing attachment of dust caused by static electricity on a wafer storage box
10/05/1999US5961693 Electrostatic separator for separating solid particles from a gas stream
09/1999
09/30/1999WO1999048611A1 Air cleaner
09/29/1999CN2340510Y Hanging separation style cathode system
09/29/1999CN2340509Y Multi-pipe centrifugal electrostatic dust collector
09/29/1999CN2340508Y Electric discharger against fouling and dewing
09/29/1999CN2340507Y Electrostatic dust collector of exhaust pipe
09/28/1999US5958112 Air-cleaning apparatus
09/28/1999US5956946 Vehicle exhaust-gas purifier
09/28/1999US5956798 Mat for removing dirts or dusts
09/23/1999WO1999047268A1 Wet electrostatic filtration process and apparatus for cleaning a gas stream
09/23/1999CA2323768A1 Wet electrostatic filtration process and apparatus for cleaning a gas stream
09/22/1999EP0942784A1 Gas borne particulate filtration device and method of manufacturing thereof
09/22/1999CN2339306Y Side electromagnetic cathode vibration-beating device
09/22/1999CN1229009A Spray-type air anion purifier
09/21/1999US5955174 Electrostatically charged by sequentially subjecting the web or film to a series of electric fields
09/16/1999DE19810449A1 Ionization device for improving room air quality
09/15/1999CN2338659Y Electrostatic cooking fume remover used in kitchen
09/14/1999US5950424 Diesel engine exhaust particle collection device
09/14/1999CA2158131C Sulfur dioxide generation using granulated or emulsoid sulfur feedstock
09/09/1999DE19809068A1 Electrostatic air filter for removal of microorganisms
09/08/1999CN2336870Y Cathode top mechanical vibrator
09/08/1999CN2336869Y High-voltage electric pulse smoke and dust charging device
09/08/1999CN2336868Y Multi-function electronic smoke-eliminating and smell-removing device
09/08/1999CN2336867Y Shaft kiln dust extracting device
09/08/1999CN2336866Y Inertial pulse bag type dust-removing device
09/08/1999CN1227905A Air conditioner with electric dust collector
08/1999
08/25/1999EP0936947A1 Externally ionizing air filter
08/25/1999EP0936946A1 Ionizing and polarizing electronic air filter
08/18/1999CN2333453Y Wet-type electric dust remover
08/18/1999CN2333452Y Electric-field dewfall preventing high-voltage electrostatic dust remover
08/18/1999CN2333451Y Anode pipe bundle for honeycomb conductive electric defroster of glass fiber reinforced plastic
08/17/1999US5938823 Air cleaner with electrostatic precipitator having microwave absorbing collector plate, microwave source to thermally degrade or vaporize microorganisms collected, air flow means, controller; no periodic maintenance necessary
08/17/1999US5938818 Electrostatic precipition to collect onto a grounded plate dust dislodged by backflushing a filter element with pulsed air; air pollution control
08/17/1999CA2117335C Filter for particulate materials in gaseous fluids and method
08/17/1999CA2001990C Electrostatic gas cleaning
08/11/1999CN2332490Y High voltage electrostatic indoor air cleaner
08/11/1999CN1225290A Flue gas treating process
08/10/1999US5935538 Sulfur dioxide contained in flue gas along with fly-ash particles is photocatalytically converted into sulfur trioxide; using sulfur trioxide produced to condition fly-ash; in-situ process without injecting sulfur trioxide
08/10/1999US5935303 Electrostatic filter
08/10/1999US5934261 Crankcase ventilation system for an internal combustion engine
08/10/1999CA2097574C Electrostatic particle filtration
08/04/1999CN2331436Y Three-discharge-region combined electrode electrostatic cleaner
08/04/1999CN1224822A Electronic collector and air conditioner with electronic dust collector
08/04/1999CN1224639A Electrical dust collector having member for insulating space between high voltage wire and grounding member
08/03/1999US5931989 Device in an electrostatic precipitator for the suspending, controlling and rapping of collecting electrodes
08/03/1999CA2228724A1 Method and apparatus for detecting arcs and controlling supply of electrical power
07/1999
07/28/1999CN1224185A Auto-controlled constant-current high-voltage DC power supply
07/27/1999US5928592 Method of manufacturing an electric dust collection unit
07/22/1999WO1999037126A1 Self-balancing shielded bipolar ionizer
07/22/1999CA2314083A1 Self-balancing shielded bipolar ionizer
07/21/1999CN2329884Y Electrostatic machine for removing cooking fume
07/21/1999CN2329447Y Electrostatic fume purifier
07/21/1999CN2329446Y Combined vertical cylinder type electric duster
07/21/1999CN2329445Y Electrostatic dust collector
07/21/1999CN1223361A Methods and apparatus for controlling air inlet closure of air conditioner
07/21/1999CN1223175A Method for self-cleaning dust collection electrode of electronic dust collector; electronic dust collector having self-cleanining function and air conditioner with electronic dust collector
07/21/1999CN1223174A Electronic dust-collecting type air purifier
07/20/1999US5925170 Electric dust-collection unit and air-cleaning apparatus using the same
07/14/1999CN2328427Y Rotary flow type static dust collector
07/13/1999US5922438 Injection molded, stable shape, low stress, accurate dimensions; gas purification and electrostatic filter
07/13/1999US5922111 Electrostatic precipitator
07/13/1999US5922103 Automatic gas conditioning method
07/13/1999US5922092 Bottom feed - updraft gasification system
07/13/1999US5920954 Device for cleaning
07/07/1999CN2328130Y Power source for electric dust collector
07/07/1999CN1222130A Method of regulating flue gas temp. and voltage supply in electrostatic precipitator for cement prodn. plant
07/07/1999CN1221871A Air conditioner with electronic dust collector
07/06/1999US5920474 Power supply for electrostatic devices
07/06/1999CA2047201C Method for controlling the current pulse supply to an electrostatic precipitator
06/1999
06/30/1999EP0925838A1 A method for cleaning an electrostatic precipitator and a device thereof
06/30/1999EP0925837A2 Power processor circuit and method for corona discharge pollutant destruction apparatus
06/30/1999CN2326340Y Electrostatic coke-knocking dust-controlling apparatus
06/30/1999CN1221358A Device for air cleaning
06/30/1999CN1220918A Method and device for clearing away oil and dust of electric oil and dust collector
06/29/1999US5917138 Bottom feed--updraft gasification system
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