| Patents for B03C 3 - Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect (12,140) |
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| 11/17/1999 | CN2348934Y Oil dust separator for electrostatic oil dust collector |
| 11/17/1999 | CN1235262A Air conditioner having air cleaning function |
| 11/11/1999 | DE19819939A1 Electrostatic air filter for removal of microorganisms |
| 11/10/1999 | CN2347667Y Reliable anti-dewing electrostatic dust collector |
| 11/09/1999 | US5982102 Device for transport of air and/or cleaning of air using a so called ion wind |
| 11/09/1999 | US5980614 Air cleaning apparatus |
| 11/09/1999 | US5980610 Apparatus and method for improving electrostatic precipitator performance by plasma reactor conversion of SO2 to SO3 |
| 11/03/1999 | EP0953377A1 Method for establishing a fluid containing size-controlled particles |
| 11/03/1999 | CN1233535A Electric dust collecting means |
| 10/27/1999 | EP0900117A4 Control systems for operating gas cleaning devices |
| 10/27/1999 | CN1233195A Barrier discharge conversion of SO2 and NOx to acids |
| 10/27/1999 | CN1232948A Air conditioner with air cleaner |
| 10/26/1999 | US5972215 Continuous particle separation and removal cleaning system |
| 10/26/1999 | US5972076 Method of charging an electrostatic precipitator |
| 10/21/1999 | DE19817580A1 Electro-filter for liquid or gas flows |
| 10/20/1999 | EP0949958A1 Method and device for cleaning exhaust air by separating particles and pollutant gases |
| 10/20/1999 | EP0686066B1 Apparatus and method of air purification |
| 10/20/1999 | CN2344088Y Microwave desulfurization dust-removing device |
| 10/19/1999 | US5968231 Cyclone exchanger with tranquilizing tank and method for purifying and decontaminating air |
| 10/13/1999 | EP0916175A4 Electrostatic precipitator for a gas discharge laser |
| 10/13/1999 | CN2342894Y Air purifier with secondary adsorption dust collector |
| 10/13/1999 | CN2342893Y Electronic fume filter |
| 10/13/1999 | CN1045546C Post-treatment of laminated nonwoven cellulosic fiber webs |
| 10/12/1999 | US5964926 Gas born particulate filter and method of making |
| 10/12/1999 | US5964344 Wafer storage box and method for preventing attachment of dust caused by static electricity on a wafer storage box |
| 10/05/1999 | US5961693 Electrostatic separator for separating solid particles from a gas stream |
| 09/30/1999 | WO1999048611A1 Air cleaner |
| 09/29/1999 | CN2340510Y Hanging separation style cathode system |
| 09/29/1999 | CN2340509Y Multi-pipe centrifugal electrostatic dust collector |
| 09/29/1999 | CN2340508Y Electric discharger against fouling and dewing |
| 09/29/1999 | CN2340507Y Electrostatic dust collector of exhaust pipe |
| 09/28/1999 | US5958112 Air-cleaning apparatus |
| 09/28/1999 | US5956946 Vehicle exhaust-gas purifier |
| 09/28/1999 | US5956798 Mat for removing dirts or dusts |
| 09/23/1999 | WO1999047268A1 Wet electrostatic filtration process and apparatus for cleaning a gas stream |
| 09/23/1999 | CA2323768A1 Wet electrostatic filtration process and apparatus for cleaning a gas stream |
| 09/22/1999 | EP0942784A1 Gas borne particulate filtration device and method of manufacturing thereof |
| 09/22/1999 | CN2339306Y Side electromagnetic cathode vibration-beating device |
| 09/22/1999 | CN1229009A Spray-type air anion purifier |
| 09/21/1999 | US5955174 Electrostatically charged by sequentially subjecting the web or film to a series of electric fields |
| 09/16/1999 | DE19810449A1 Ionization device for improving room air quality |
| 09/15/1999 | CN2338659Y Electrostatic cooking fume remover used in kitchen |
| 09/14/1999 | US5950424 Diesel engine exhaust particle collection device |
| 09/14/1999 | CA2158131C Sulfur dioxide generation using granulated or emulsoid sulfur feedstock |
| 09/09/1999 | DE19809068A1 Electrostatic air filter for removal of microorganisms |
| 09/08/1999 | CN2336870Y Cathode top mechanical vibrator |
| 09/08/1999 | CN2336869Y High-voltage electric pulse smoke and dust charging device |
| 09/08/1999 | CN2336868Y Multi-function electronic smoke-eliminating and smell-removing device |
| 09/08/1999 | CN2336867Y Shaft kiln dust extracting device |
| 09/08/1999 | CN2336866Y Inertial pulse bag type dust-removing device |
| 09/08/1999 | CN1227905A Air conditioner with electric dust collector |
| 08/25/1999 | EP0936947A1 Externally ionizing air filter |
| 08/25/1999 | EP0936946A1 Ionizing and polarizing electronic air filter |
| 08/18/1999 | CN2333453Y Wet-type electric dust remover |
| 08/18/1999 | CN2333452Y Electric-field dewfall preventing high-voltage electrostatic dust remover |
| 08/18/1999 | CN2333451Y Anode pipe bundle for honeycomb conductive electric defroster of glass fiber reinforced plastic |
| 08/17/1999 | US5938823 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 |
| 08/17/1999 | US5938818 Electrostatic precipition to collect onto a grounded plate dust dislodged by backflushing a filter element with pulsed air; air pollution control |
| 08/17/1999 | CA2117335C Filter for particulate materials in gaseous fluids and method |
| 08/17/1999 | CA2001990C Electrostatic gas cleaning |
| 08/11/1999 | CN2332490Y High voltage electrostatic indoor air cleaner |
| 08/11/1999 | CN1225290A Flue gas treating process |
| 08/10/1999 | US5935538 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 |
| 08/10/1999 | US5935303 Electrostatic filter |
| 08/10/1999 | US5934261 Crankcase ventilation system for an internal combustion engine |
| 08/10/1999 | CA2097574C Electrostatic particle filtration |
| 08/04/1999 | CN2331436Y Three-discharge-region combined electrode electrostatic cleaner |
| 08/04/1999 | CN1224822A Electronic collector and air conditioner with electronic dust collector |
| 08/04/1999 | CN1224639A Electrical dust collector having member for insulating space between high voltage wire and grounding member |
| 08/03/1999 | US5931989 Device in an electrostatic precipitator for the suspending, controlling and rapping of collecting electrodes |
| 08/03/1999 | CA2228724A1 Method and apparatus for detecting arcs and controlling supply of electrical power |
| 07/28/1999 | CN1224185A Auto-controlled constant-current high-voltage DC power supply |
| 07/27/1999 | US5928592 Method of manufacturing an electric dust collection unit |
| 07/22/1999 | WO1999037126A1 Self-balancing shielded bipolar ionizer |
| 07/22/1999 | CA2314083A1 Self-balancing shielded bipolar ionizer |
| 07/21/1999 | CN2329884Y Electrostatic machine for removing cooking fume |
| 07/21/1999 | CN2329447Y Electrostatic fume purifier |
| 07/21/1999 | CN2329446Y Combined vertical cylinder type electric duster |
| 07/21/1999 | CN2329445Y Electrostatic dust collector |
| 07/21/1999 | CN1223361A Methods and apparatus for controlling air inlet closure of air conditioner |
| 07/21/1999 | CN1223175A 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 |
| 07/21/1999 | CN1223174A Electronic dust-collecting type air purifier |
| 07/20/1999 | US5925170 Electric dust-collection unit and air-cleaning apparatus using the same |
| 07/14/1999 | CN2328427Y Rotary flow type static dust collector |
| 07/13/1999 | US5922438 Injection molded, stable shape, low stress, accurate dimensions; gas purification and electrostatic filter |
| 07/13/1999 | US5922111 Electrostatic precipitator |
| 07/13/1999 | US5922103 Automatic gas conditioning method |
| 07/13/1999 | US5922092 Bottom feed - updraft gasification system |
| 07/13/1999 | US5920954 Device for cleaning |
| 07/07/1999 | CN2328130Y Power source for electric dust collector |
| 07/07/1999 | CN1222130A Method of regulating flue gas temp. and voltage supply in electrostatic precipitator for cement prodn. plant |
| 07/07/1999 | CN1221871A Air conditioner with electronic dust collector |
| 07/06/1999 | US5920474 Power supply for electrostatic devices |
| 07/06/1999 | CA2047201C Method for controlling the current pulse supply to an electrostatic precipitator |
| 06/30/1999 | EP0925838A1 A method for cleaning an electrostatic precipitator and a device thereof |
| 06/30/1999 | EP0925837A2 Power processor circuit and method for corona discharge pollutant destruction apparatus |
| 06/30/1999 | CN2326340Y Electrostatic coke-knocking dust-controlling apparatus |
| 06/30/1999 | CN1221358A Device for air cleaning |
| 06/30/1999 | CN1220918A Method and device for clearing away oil and dust of electric oil and dust collector |
| 06/29/1999 | US5917138 Bottom feed--updraft gasification system |