| Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933) |
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| 11/30/2004 | US6823664 Exhaust gas purification device |
| 11/30/2004 | US6823662 Exhaust gas purifying system |
| 11/30/2004 | US6823660 Exhaust emission purification system for diesel engine |
| 11/30/2004 | US6823658 Exhaust gas purifying apparatus for an internal-combustion engine |
| 11/30/2004 | US6823657 Regeneration of a NOx storage catalytic converter of an internal combustion engine |
| 11/30/2004 | CA2281067C Method and apparatus for dewatering a gas stream and retaining contaminants |
| 11/30/2004 | CA2139502C Agglomerated activated carbon air filter |
| 11/27/2004 | CA2463585A1 Method of and apparatus for measuring mercury contained in gaseous medium |
| 11/25/2004 | WO2004102179A1 Equipment and method for collecting trace substances in the air |
| 11/25/2004 | WO2004101965A1 System and methods for improved emission control of internal combustion engines using pulsed fuel flow |
| 11/25/2004 | WO2004101963A1 Exhaust-gas purification system with particulate filter and method of operation thereof with improved regeneration of the particulate filter |
| 11/25/2004 | WO2004101962A1 Management of thermal fluctuations in lean nox adsorber aftertreatment systems |
| 11/25/2004 | WO2004101448A1 A process for the biological treatment of ammonium-rich aqueous media |
| 11/25/2004 | WO2004101435A1 Functional transition metal silicates (ftms) |
| 11/25/2004 | WO2004101116A1 Method and reactor arrangement for reducing the emission of nitrogen oxides |
| 11/25/2004 | WO2004101115A1 Volatile hydrocarbon adsorber unit |
| 11/25/2004 | WO2004101114A1 Fixed bed hypersorber and fractionation of fluids using the same |
| 11/25/2004 | WO2004101113A1 Filtration method and a filter device for removing impurities from the air of a limited space and an apparatus for removing carbon dioxide from the air of an air-raid shelter |
| 11/25/2004 | WO2004101112A1 Method for cleaning a particle filter and cleaning device therefor |
| 11/25/2004 | WO2004101111A1 A filter assembly for treating a compressed gas stream |
| 11/25/2004 | WO2004101101A2 System for purifying and removing contaminants from gaseous fluids |
| 11/25/2004 | WO2004085036A3 Method for the selective removal of hydrogen sulphide and co2 from crude gas |
| 11/25/2004 | WO2004067684A3 Compact synthesis gas generation system |
| 11/25/2004 | WO2004050228A3 Ruthenium stabilization for improved oxidation/reduction catalyst systems |
| 11/25/2004 | WO2004000441A8 Method for treating at least one feed gas mixture by pressure swing adsorption |
| 11/25/2004 | WO2003076053A3 A separation method and separation apparatus of isotopes from gaseous substances |
| 11/25/2004 | US20040236168 Lightweight, portable , waterproof confining vessel; spraying water into interior; then supplying toxic gas |
| 11/25/2004 | US20040236159 Reducing the water concentration so the proportion by mass of water is less than the limit concentration of the distillation boundary line connecting an azeotrope of tert-butanol and water and an azeotrope of 2-butanol and water by feeding the mixture through a membrane; isobutene intermediate |
| 11/25/2004 | US20040235659 no surplus catalyst is loaded and accordingly no remarkably thick catalyst layer is substantially formed owing to the cutting operation conducted after catalyst loading |
| 11/25/2004 | US20040235658 Diesel particulate filter comprising a finely dispersed diesel particulate catalyst |
| 11/25/2004 | US20040235654 Catalyst for removing hydrocarbons from exhaust gas and method for purification of exhaust gas |
| 11/25/2004 | US20040235651 Exhaust gas purifying catalyst |
| 11/25/2004 | US20040234439 Porous composite oxide and production method thereof |
| 11/25/2004 | US20040234438 heat resistance; oxygen absorption, desorption capacity; high temperature environment |
| 11/25/2004 | US20040234433 fixed bed containing catalyst particles; high temperature fluid flow; heat expansion , contraction cycles; controlling depth |
| 11/25/2004 | US20040234431 Electro-kinetic air transporter-conditioner devices with trailing electrode |
| 11/25/2004 | US20040234430 a plasma reactor containing a hydrogen-generating catalyst, and a NOx-purifying catalyst located downstream of the plasma reactor |
| 11/25/2004 | US20040234428 Alumina-silica-based fiber, ceramic fiber, ceramic fiber complex, retaining seal material, production method thereof, and alumina fiber complex production method |
| 11/25/2004 | US20040234427 Automotive exhaust component and method of manufacture |
| 11/25/2004 | US20040232819 Illuminator capable of cleaning air |
| 11/25/2004 | US20040232068 Formation of composite materials with expandable matter |
| 11/25/2004 | US20040232008 Anode layer, cathode layer, and intermediate electrolyte layer conductive to protons and impermeable to hydrogen; catalytic metal in or adjacent to the anode layer catalyzes an electrochemical reaction that converts any hydrogen that diffuses through the electrolyte layer to protons and electrons |
| 11/25/2004 | US20040231915 Sound absorptive multilayer composite |
| 11/25/2004 | US20040231914 Low thickness sound absorptive multilayer composite |
| 11/25/2004 | US20040231913 Noise muffler for oxygen concentrator |
| 11/25/2004 | US20040231666 Adsorbents and uses thereof |
| 11/25/2004 | US20040231518 Electronic breather bag filter |
| 11/25/2004 | US20040231517 Quick-change filter system and a base and a quick-change filter intended for such a system |
| 11/25/2004 | US20040231516 Hydrogen purification devices, components and fuel processing systems containing the same |
| 11/25/2004 | US20040231512 Using liquid desiccant as a regenerable filter for capturing and deactivating contaminants |
| 11/25/2004 | US20040231511 Over a wide range of temperature and humidity; zeolites ZSM-5, ZSM-8, and ZSM-11 are impregnated with sulfates, fluorides, chlorides, nitrates, and organic acids |
| 11/25/2004 | US20040231510 Adsorbent for separating nitrogen from mixed gas of oxygen and nitrogen |
| 11/25/2004 | US20040231358 Gases are vented from a waste site, separated into three streams: hydrocarbon, carbon dioxide, and residue streams, condensing hydrocarbon/CO2 stream portions to liquid or supercritical liquid, also using hydrocarbon to generate energy |
| 11/25/2004 | US20040231345 Use of flow through capacitor in the recovery and purification of water from exhaust gases of internal combustion engines |
| 11/25/2004 | US20040231344 Air conditioner |
| 11/25/2004 | US20040231324 Exhaust gas purification device |
| 11/25/2004 | US20040231321 Exhaust gas purifying apparatus and method of using the same |
| 11/25/2004 | US20040231307 a green ceramic fiber-based paper is impregnated with a dispersion, dried, calcined and fired to form a rigidified paper; durable fiber-based substrates for exhaust systems that can be used as wall-flow substrates, flow-through substrates or both |
| 11/25/2004 | US20040231182 Electronic control device for gas dryer |
| 11/25/2004 | US20040231179 Dry air supply device |
| 11/25/2004 | DE20311326U1 Conditioning system for interiors esp. offices consists of upright stand with vegetation mats with rooted low-growing plants, and automatic watering system |
| 11/25/2004 | DE10333049B3 Device for separating liquid and/or gaseous mixtures, especially azeotropic mixtures that are difficult to separate, comprises adsorption unit connected to membrane separation unit |
| 11/25/2004 | DE10320891A1 Katalysatorheizverfahren und Steuergerät zur Steuerung von Katalysatorheizverfahren Katalysatorheizverfahren and control unit for controlling Katalysatorheizverfahren |
| 11/25/2004 | DE10320028A1 Breathing air isolating device, has metallic reservoir divided into four chambers separated from wire mesh by partition walls, and elbows fastened to reservoir to facilitate entry of air to be cleaned and discharge of cleaned air |
| 11/25/2004 | DE102004019263A1 Vorrichtung zur Erzeugung von nahezu reinem Wasserstoff durch Reformierung und Verfahren zur Herstellung der Vorrichtung Device for generating hydrogen by reforming nearly pure and method for manufacturing the device |
| 11/25/2004 | DE102004018847A1 Autoabgas-reinigende Verbrennungskatalysatoren Automobile exhaust gas purifying combustion catalysts |
| 11/25/2004 | DE102004017521A1 Drucksensordiagnose über einen Computer Pressure sensor diagnostics via a computer |
| 11/25/2004 | CA2791781A1 Method and apparatus for manufacturing a catalytic converter |
| 11/25/2004 | CA2538160A1 Novel functional transition metal silicates (ftms) |
| 11/25/2004 | CA2528802A1 Treatment of crude oil fractions, fossil fuels, and products thereof with sonic energy |
| 11/25/2004 | CA2525576A1 Method and reactor arrangement for reducing the emission of nitrogen oxides |
| 11/25/2004 | CA2525421A1 Filtration method and a filter device for removing impurities from the air of a limited space and an apparatus for removing carbon dioxide from the air of an air-raid shelter |
| 11/25/2004 | CA2524518A1 System and methods for improved emission control of internal combustion engines using pulsed fuel flow |
| 11/24/2004 | EP1479900A1 Exhaust gas purification system for internal combustion engine |
| 11/24/2004 | EP1479652A1 Process and apparatus for the preparation of a nitrogen oxide reducer for flue gases |
| 11/24/2004 | EP1479651A1 Porous composite oxide and production method thereof |
| 11/24/2004 | EP1479650A2 Hydrogen generator and fuel cell system |
| 11/24/2004 | EP1479436A2 Method for the preparation of hollow porous bodies for separating a component from a gas mixture |
| 11/24/2004 | EP1479431A2 An exhaust gas purifying apparatus and method of using the same |
| 11/24/2004 | EP1479430A1 An exhaust gas purifying apparatus and method of using the same |
| 11/24/2004 | EP1479429A1 Filtering system |
| 11/24/2004 | EP1479428A2 Quick-change filter system and a base and a quick-change filter intended for such a system |
| 11/24/2004 | EP1478874A1 Apparatus for the liquefaction of natural gas and methods relating to same |
| 11/24/2004 | EP1478460A1 Rhodium-rich catalysts doped with rare earth oxides |
| 11/24/2004 | EP1478457A1 Ceramic packing element |
| 11/24/2004 | EP1478455A2 Reactor for treating a gas flow with plasma, particularly exhaust gases produced by the internal combustion engine in a motor vehicle |
| 11/24/2004 | EP1478451A2 Ceramic membrane based on a substrate containing polymer or natural fibres, method for the production and use thereof |
| 11/24/2004 | EP1478450A2 Energy efficient liquid desiccent regeneration |
| 11/24/2004 | EP1478409A1 Hydrogen peroxide vapor system with replaceable desiccant cartridge |
| 11/24/2004 | EP1339479A4 Selective catalytic reduction of no, enabled by side stream urea decomposition |
| 11/24/2004 | EP0998625B1 REDUCING NOx EMISSIONS FROM AN ENGINE WHILE MAXIMIZING FUEL ECONOMY |
| 11/24/2004 | CN2658291Y High-building exhaust duct system of reaching standard of exhaust of kitchen oil fume |
| 11/24/2004 | CN2657758Y High-efficient contact fiber type filler tower |
| 11/24/2004 | CN2657757Y Spray device of active carbon for purifying smoke of garbage incineration |
| 11/24/2004 | CN2657755Y High-efficient desulfurization dust separator |
| 11/24/2004 | CN1549912A Method and apparatus for exchanging energy and/or mass |
| 11/24/2004 | CN1549785A Process and installation for the distribution of air enriched in oxygen to passengers of an aircraft |
| 11/24/2004 | CN1549741A Gas separating equipment and producing method thereof |
| 11/24/2004 | CN1548384A Aerator and advanced waste water treatment method using the same |
| 11/24/2004 | CN1548373A Dry alkali powder recovering process |