| Patents for B03C 3 - Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect (12,140) |
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| 03/15/1989 | EP0306489A1 An arrangement for generating an electric corona discharge in air. |
| 03/15/1989 | CN1003569B Method of controlling intermittant voltage supply of an electrostatic precipitator |
| 03/08/1989 | CN2033760U Electrostatic dust absorption eraser |
| 03/08/1989 | CN1031630A High-voltage silicon controlled rectifier with a spark frequency automatic control system |
| 03/07/1989 | US4811197 Electrostatic dust collector system |
| 02/28/1989 | US4808200 Electrostatic precipitator power supply |
| 02/28/1989 | CA1250629A1 Electrical insulating and sealing apparatus and process for using same |
| 02/02/1989 | DE3724511A1 Device for the separation of particulates from the exhaust gas of an internal combustion engine |
| 02/01/1989 | EP0301630A1 Filter device |
| 01/31/1989 | CA1249529A1 Apparatus for the removal of particulates from industrial gases |
| 01/31/1989 | CA1249441A1 Method for cleaning gas produced from solid carbonaceous material in a two-stage gas producer |
| 01/26/1989 | DE3723153A1 Device for the removal of soot from the exhaust gas of an internal combustion engine |
| 01/25/1989 | EP0300515A2 Method for cleaning dust from the collecting electrodes in an electrostatic dust precipitator |
| 01/25/1989 | CN2031312U Electrostatic cleaner for dust and smog |
| 01/25/1989 | CN2031307U High-efficient static electricity fibre filter |
| 01/18/1989 | EP0299197A2 Electrostatic filter for cleaning gases |
| 01/12/1989 | WO1989000355A1 An arrangement for transporting air |
| 01/11/1989 | CN1030192A Method and system for vapor extraction from gases |
| 12/28/1988 | EP0296720A2 Plasma extraction reactor and its use for vapor extraction from gases |
| 12/13/1988 | US4790862 Joint operation of gas sensor and ultraviolet ray detector |
| 12/13/1988 | US4790861 Ashtray |
| 12/08/1988 | DE3813156A1 Ion source for the electrostatic charging of particles in the gas stream of an electrical dust filter |
| 12/07/1988 | CN88204695U Open high-voltage franklinic electricity duster |
| 12/06/1988 | US4789801 Electrokinetic transducing methods and apparatus and systems comprising or utilizing the same |
| 12/06/1988 | US4789504 Electretized material for a dust filter |
| 12/01/1988 | WO1988009214A1 Device for power supply to gas-cleaning electrofilters |
| 12/01/1988 | WO1988009213A1 Dust collecting electrode |
| 11/30/1988 | CN88210573U Circular section inertia electrostatic duster |
| 11/29/1988 | US4787922 Filter apparatus |
| 11/23/1988 | EP0292149A2 Dry process electrostatic precipitator |
| 11/23/1988 | EP0292036A2 Electrostatic air filtration system |
| 11/23/1988 | EP0292012A1 Process for reducing the ammonia content of the dust particles set free by combustion plants, and apparatus for carrying out the process |
| 11/22/1988 | US4786387 Applying nonuniform electric or magnetic field |
| 11/17/1988 | EP0290956A1 Dust separation device |
| 11/17/1988 | DE3714978A1 Water bath electrostatic precipitator |
| 11/16/1988 | CN88100140A So3 flue gas conditioning system |
| 11/09/1988 | CN88101764A Electrostatic lens type electric dust-collecting method and its apparatus |
| 11/02/1988 | CN88201274U High-voltage pulse power supply system for electrostatic dust-collecting |
| 11/01/1988 | US4781736 Electrostatically enhanced HEPA filter |
| 11/01/1988 | US4781732 waste gas from a mineral fiber production plant and contaminated with phenol and/or formaldehyde is sprayed with microorganisms; bioremediation, pollution control |
| 10/26/1988 | EP0288351A2 Gas cleaner, especially air, with an ionisation chamber |
| 10/19/1988 | EP0287137A2 Emission electrode |
| 10/18/1988 | USRE32767 Electrostatic precipitator construction having ladder bar spacers |
| 10/18/1988 | US4779207 SO3 flue gas conditioning system |
| 10/18/1988 | US4779182 Power supply for an electrostatic filter |
| 10/18/1988 | US4778493 Electrostatic precipitator with means for the enhanced charging and collection of fine particles |
| 10/12/1988 | CN86104221B Combined electric ash collector |
| 10/11/1988 | US4776864 Electrostatic precipitator |
| 10/06/1988 | WO1988007785A1 Electrokinetic transducing methods and apparatus and systems comprising or utilizing the same |
| 09/29/1988 | DE3708508A1 Device and process for decreasing pollutants in combustion exhaust gases |
| 09/27/1988 | US4773166 Electrostatic method and apparatus for treating material |
| 09/22/1988 | DE3707938A1 Apparatus for the treatment, in particular filtration, of room air |
| 09/20/1988 | US4772998 Electrostatic precipitator voltage controller having improved electrical characteristics |
| 09/20/1988 | US4772297 Air cleaner |
| 09/14/1988 | CN87107946A Method and apparatus for detecting back corona in electrostatic filter with ordinary or intermittent dc-voltage supply |
| 09/13/1988 | US4771361 Electrode arrangement for corona discharges |
| 09/13/1988 | US4770674 Gas conditioning for an electrostatic precipitator |
| 09/08/1988 | DE3705979A1 Exhaust gas soot filter |
| 09/07/1988 | WO1988006583A1 Insecticidal pyrazolines |
| 09/07/1988 | EP0281414A1 Ashtray |
| 09/07/1988 | EP0280754A1 Air conditioning device for home use |
| 09/06/1988 | US4769049 Removal of deposits; deducting |
| 08/31/1988 | EP0280360A1 Process and apparatus for cleaning the exhaust air of paint booths |
| 08/31/1988 | EP0280298A2 Electrostatic precipitator voltage controller having improved electrical characteristics |
| 08/30/1988 | US4767423 For electrostatic precipitators: drop rod with adjustable force |
| 08/23/1988 | US4765803 Oppositely charged clouds converge and are depolarized; conglomeration; dedusting |
| 08/23/1988 | US4765802 To maintain a pair of adjacent plates in a horizontally spaced relationship |
| 08/23/1988 | US4765259 Sodium addition to low rank coal to enhance particulate removal from combustion effluent |
| 08/17/1988 | EP0278539A1 Conditioning method for flue gases containing dust |
| 08/17/1988 | CN87206795U Reverse, self-positioning and two-way hammer vibrator |
| 08/17/1988 | CN87100495A Inprovement of electrostatic dust collection |
| 08/16/1988 | US4764188 With adjacent discharging and collecting electrodes |
| 08/11/1988 | WO1988005046A3 Insecticidal pyrazolines |
| 08/11/1988 | DE3702469A1 Insulator for an electrostatic particle precipitator, in particular soot precipitator for exhaust gases from diesel engines and method for operating the insulator |
| 07/26/1988 | US4759779 Spacer means for cross-linking collecting electrode panels in an electrostatic precipitator |
| 07/26/1988 | US4759778 Air filter |
| 07/20/1988 | CN88100104A Insecticidal pyrazolines (us) |
| 07/19/1988 | US4758267 Ultrafine particle and fiber production in microgravity |
| 07/14/1988 | WO1988005046A2 Insecticidal pyrazolines |
| 07/13/1988 | EP0274132A2 SO3 flue gas conditioning system |
| 07/13/1988 | CN85102363B Combination intensifying cottrell |
| 07/07/1988 | DE3712887C1 Method for switching off electrostatic precipitators for cleaning the vapours from driers for brown coal, and electrostatic precipitator suitable for carrying out the method |
| 07/06/1988 | EP0273084A1 Method for treating waste liquid in wet exhaust gas treating apparatus |
| 07/06/1988 | CN85101062A Fast spark detector |
| 06/30/1988 | WO1988004580A1 Device for purification of gases |
| 06/30/1988 | DE3737860A1 Multi-stage horizontal electrical separator |
| 06/29/1988 | CN87214897U Coal dust high-voltage electrostatic dust extractor |
| 06/23/1988 | DE3737926A1 Multi-stage horizontal electrical separator |
| 06/22/1988 | EP0271836A2 Filter for removing smoke and toner dust in electrophotographic/electrostatic recording apparatus |
| 06/21/1988 | US4752309 Rapping mechanism for rapping the electrodes of an electrostatic precipitator |
| 06/15/1988 | EP0271457A2 An electrostatic air cleaner particularly for kitchen forced suction hoods |
| 06/14/1988 | US4750921 Efficiency; mini-pleat filter |
| 06/14/1988 | US4750917 Method of and apparatus for cleaning air by irradiation of ultraviolet rays |
| 06/14/1988 | US4750916 Method and arrangement for cleansing a flow of hot contaminated gas |
| 06/08/1988 | EP0269858A2 Process and device for the extreme purification of waste gases |
| 06/07/1988 | CA1237763A1 Modulated power supply for an electrostatic precipitator |
| 06/02/1988 | WO1988003837A1 A method and an arrangement for enabling changes in the level of dust extraction in dust precipitators to be determined |
| 06/01/1988 | EP0268934A1 Method and device for the energy supply to an electrostatic precipitator |
| 05/31/1988 | US4747856 Lower end alignment device for electrostatic precipitator collector electrodes |
| 05/26/1988 | DE3737343A1 Device for concentrating and agglomerating solid or liquid particles suspended in a gas flow |