| Patents for B03C 3 - Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect (12,140) |
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| 06/24/1999 | DE19756999A1 Electrostatic air filter for removal of microorganisms |
| 06/24/1999 | DE19755681A1 Air ionization arrangement |
| 06/23/1999 | EP0923978A1 Flue gas treating process |
| 06/23/1999 | EP0824376B1 Cyclone with spray electrode |
| 06/23/1999 | CN2325116Y Composition and vertical type dust remover with high voltage static filtration trough |
| 06/23/1999 | CN1220620A Electrostatic precipitator and incinerator |
| 06/23/1999 | CN1220191A 空气净化器 Air Purifier |
| 06/16/1999 | EP0921861A1 Filter apparatus with induced voltage electrode |
| 06/16/1999 | CN2323875Y Safety separator without fumes |
| 06/16/1999 | CN1043672C Method for producing electret non-woven filter web and product thereof |
| 06/15/1999 | US5911213 For an internal combustion engine |
| 06/15/1999 | CA2120120C Electrostatic precipitator frame stabilizer |
| 06/10/1999 | WO1999028967A1 Box for transferring semiconductor wafer |
| 06/09/1999 | CN2322684Y Cellular electrostatic precipitator |
| 06/09/1999 | CN1218717A Control cabinet for static dust-removing power |
| 06/08/1999 | US5909813 For separating select materials of a fluid stream out of a main stream |
| 06/02/1999 | EP0919287A2 Air conditioner with electrostatic dust collector |
| 06/02/1999 | EP0919286A2 Method for self-cleaning a dust collection electrode of an electrostatic precipitator for air conditioner use |
| 06/02/1999 | CN2321533Y Automatically controlled constant-current high-voltage dc generator |
| 06/02/1999 | CN2321532Y Electric processed cooking fume purifier |
| 06/02/1999 | CN2321531Y Rectifying control equipment for high-voltage electrostatic dust removing |
| 06/02/1999 | CN1217953A Air pufiying unit and electric dust collecting unit |
| 06/01/1999 | CA2092523C Electroprecipitator with alternating charging and short collector sections |
| 05/27/1999 | WO1999025478A1 Air filter including electrostatic precipitation |
| 05/27/1999 | DE19822332C1 Electro-filter cleaning method |
| 05/27/1999 | DE19752039A1 Electrical filter removes particulate matter from effluent gas |
| 05/27/1999 | DE19751984A1 Part-cleaning process for incinerator gas electrode |
| 05/26/1999 | CN2320330Y Ionizing air purifier |
| 05/26/1999 | CN2320329Y High-efficiency electrostatic oil mist purifier |
| 05/25/1999 | US5906677 Electrostatic supercharger screen |
| 05/19/1999 | EP0916175A1 Electrostatic precipitator for a gas discharge laser |
| 05/19/1999 | CN2319124Y Cylinder electrostatic duster |
| 05/11/1999 | US5903450 Electrostatic precipitator power supply circuit having a T-filter and pi-filter |
| 05/11/1999 | US5902380 Dust collector |
| 05/11/1999 | CA2046877C Compact hybrid particulate collector (cohpac) |
| 05/06/1999 | EP0881933A4 Improved purging electrostatic gun for charging dry sorbent into polluted streams |
| 05/05/1999 | CN1216007A Air cleaner |
| 05/04/1999 | US5900043 Vibrating gases in filter enclosure by using sound waves generated inside enclosure surrounded by flexible membranes |
| 04/29/1999 | DE19747028A1 Electrostatic honeycomb dust filter assembled from a kit of panels |
| 04/28/1999 | EP0688246B1 Electrostatic separation process and device for impurities, such as suspended matter or the like, from a gaseous stream |
| 04/22/1999 | WO1999019072A1 Dust-collecting element for air-cleaning apparatus |
| 04/21/1999 | EP0841977B1 Composite fibrous filters |
| 04/21/1999 | CN2314855Y Single power source subelectric field vertical high pressure electro static dust remover |
| 04/21/1999 | CN1214640A Method of precipitating airborne particles |
| 04/20/1999 | US5895632 Discharging and dust removing method and discharging and dust removing apparatus |
| 04/15/1999 | WO1999017883A1 Electrostatic particle transportation |
| 04/15/1999 | DE19744594A1 Improving the performance of electrofilters with denaturing deposition electrodes for air purification |
| 04/14/1999 | EP0907823A1 Device and method for filtering internal combustion engine exhaust gases and vehicle equipped with such a device |
| 04/14/1999 | EP0696365A4 System for controlling an electrostatic precipitator using digital signal processing |
| 04/13/1999 | US5893943 Method and apparatus for decreased undesired particle emissions in gas streams |
| 04/08/1999 | WO1999016532A1 Oily mist resistant electret articles and filters |
| 04/08/1999 | CA2303004A1 Oily mist resistant electret articles and filters |
| 04/07/1999 | EP0906251A1 A method of regulating the flue gas temperature and voltage supply in an electrostatic precipitator for a cement production plant |
| 04/07/1999 | EP0703827B1 Device for the separation of microscopic particules out of air |
| 04/07/1999 | CN2313170Y Electrostatic cooking-fume purifying device |
| 04/01/1999 | WO1999015731A1 Method and assembly for controlling mist and dust in the manufacture and finishing of paper and board |
| 03/30/1999 | US5888274 By chemical reaction, bonding, adsorption |
| 03/30/1999 | CA2172146C Electrostatic precipitator |
| 03/25/1999 | WO1999014435A1 Method for controlling the amount of ionised gases and/or particles over roads, streets, open spaces or the like |
| 03/25/1999 | WO1999013961A1 Continuous particle separation and removal cleaning system |
| 03/25/1999 | DE19741247A1 Solvents removed from effluent gases discharged from chromatography |
| 03/25/1999 | DE19680694C1 Electrofilter operation in IC engine |
| 03/25/1999 | CA2303391A1 Method for controlling the amount of ionised gases and/or particles over roads, streets, open spaces or the like |
| 03/24/1999 | CN1211935A Electrostatic fibrous filter web |
| 03/18/1999 | WO1999012649A1 Method to control current supply to an electrostatic precipitator |
| 03/18/1999 | DE19838107A1 Electrostatic separator earthing electrode and discharge electrodes |
| 03/17/1999 | CN2310623Y Strap, deep ditch and double-thorn electrostatic dust-collector |
| 03/17/1999 | CN1210764A Electrostatic precipitator |
| 03/10/1999 | EP0900117A1 Control systems for operating gas cleaning devices |
| 03/10/1999 | EP0714463B1 Method of charging electret filter media |
| 03/04/1999 | WO1999010273A1 Deodorizing/sterilizing device |
| 03/04/1999 | WO1999010103A1 Combination of filter and electrostatic separator |
| 03/04/1999 | DE19735192A1 Electrostatic air filter for removal of microorganisms |
| 03/04/1999 | DE19732335A1 Electrostatic air filter for removal of microorganisms |
| 03/04/1999 | DE19730040A1 Electrostatic air filter for removal of microorganisms |
| 03/03/1999 | EP0899014A1 Electrostatic precipitator and incinerator |
| 02/24/1999 | CN1209178A High efficiency breathing mask fabrics |
| 02/24/1999 | CN1208840A Air conditioning apparatus with air cleaning function and electric dust collector for use in the same |
| 02/23/1999 | US5873968 Self-supporting laminate with electret lofty spun-bonded web and electret microfiber web |
| 02/18/1999 | WO1999007475A1 Electrostatic precipitator |
| 02/18/1999 | WO1999007474A1 Device for air cleaning |
| 02/17/1999 | EP0896835A1 Air cleaner |
| 02/17/1999 | CN1208158A Air purifying machine |
| 02/16/1999 | US5871703 Oxidation by barrier, pulse, corona or electron beam electrical discharge, collecting acids and particles by electrostatic precipitation, separation of acids from particles |
| 02/16/1999 | US5871567 Dual Media air filter with electrostatic charge |
| 02/10/1999 | CN2307213Y Electrostatic fume removal unit |
| 02/10/1999 | CN2306838Y Integral filtering bag for dust collector |
| 02/03/1999 | CN2306075Y Corona electrode wire |
| 02/03/1999 | CN2306074Y Electric duster for top of settling chamber of cement machine shaft kiln |
| 02/03/1999 | CN1206630A Electric dust collector with cured surface anode |
| 01/28/1999 | WO1999003590A1 Induced voltage electrode filter system with disposable cartridge |
| 01/28/1999 | CA2295573A1 Induced voltage electrode filter system with disposable cartridge |
| 01/27/1999 | CN2305588Y Static purifying and silencing fume exhaust fan |
| 01/27/1999 | CN1206450A Method and apparatus for cleaning exhaust gas and reducing noise by using high voltage electric field |
| 01/26/1999 | US5863312 Non-entraining filter |
| 01/26/1999 | CA2108539C Ionizing type air cleaner |
| 01/21/1999 | WO1999002241A1 A method of flue gas conditioning and a flue gas conditioning device |
| 01/20/1999 | EP0892476A1 Germanium emitter electrode |
| 01/20/1999 | EP0891813A1 Electrostatic dust separator |
| 01/14/1999 | WO1999001224A1 Method and rinsing equipment for the cleaning of especially filter plates in an electro-filter |