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Browse by Category: Main > Chemistry
Class Information
Number: 55/DIG.5
Name: Gas separation > Methods of making filter
Description:










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
8709320 Three-dimensional filter Apr. 29, 2014
8702827 Flat bag for vacuum cleaners Apr. 22, 2014
8702828 Flat bag for vacuum cleaners Apr. 22, 2014
8702829 Framed air filter with offset slot, and method of making Apr. 22, 2014
8685130 Air filter arrangement; air cleaner assembly; and methods Apr. 1, 2014
8685301 Fluted filter with axial seal Apr. 1, 2014
8679216 Process for forming a laminate of a nanoweb and a substrate and filters using the laminate Mar. 25, 2014
8664154 Methods of making and using activated carbon-containing coated substrates and the products made therefrom Mar. 4, 2014
8657913 Gas cleaning separator Feb. 25, 2014
8652229 Particle filter system incorporating nanofibers Feb. 18, 2014
8636819 Fiber bed assembly for a fiber bed mist eliminator Jan. 28, 2014
8613795 Electret webs with charge-enhancing additives Dec. 24, 2013
8609191 Air-permeable filtration media, methods of manufacture and methods of use Dec. 17, 2013
8603229 Multi-element structured arrays (MESA's) for cost effective and high efficiency treatment of fluids Dec. 10, 2013
8603221 Rapid cycle, gas permeable, adsorbent-containing paper containing p-aramid fibrids and zeolite Dec. 10, 2013
8598073 Methods of making and using activated carbon-containing coated substrates and the products made therefrom Dec. 3, 2013
8562875 Adsorbent filter media for removal of biological contaminants in process liquids Oct. 22, 2013
8551207 Fluted filter with axial seal Oct. 8, 2013
8551375 Filter element Oct. 8, 2013
8545589 Filtration media pack, filter element, and methods Oct. 1, 2013
8540805 Filter assembly for use in a turbine system Sep. 24, 2013
8529671 Electret webs with charge-enhancing additives Sep. 10, 2013
8518142 Filter arrangement and methods Aug. 27, 2013
8518152 Method for manufacturing electrostatic non-woven intake filter and electrostatic non-woven intake filter using the same Aug. 27, 2013
8512428 Vent filter and method for manufacturing the same Aug. 20, 2013
8512458 Chemical and particulate filters containing chemically modified carbon nanotube structures Aug. 20, 2013
8500839 Panel filter Aug. 6, 2013
8496774 Process and materials for coiling z-filter media; and/or closing flutes of filter media; and, products Jul. 30, 2013
8496722 Nonwoven for air filtration and a preparation method thereof Jul. 30, 2013
8491690 Panel filter Jul. 23, 2013
8465564 Filter medium Jun. 18, 2013
8431187 Manufacturing method of filter media available at medium and high temperature exhaust gas using foam coating technology and filter media manufactured thereby Apr. 30, 2013
8409327 Control of grounded surface geometry in electrostatically enhanced fabric filters Apr. 2, 2013
8404029 Crankcase ventilation filter arrangments; components; and, methods Mar. 26, 2013
8398752 High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials Mar. 19, 2013
8394182 Crosslinked membrane and polymer for making same and method of using membrane Mar. 12, 2013
8394157 Filter for gas generator Mar. 12, 2013
8394181 Selectively permeable material, method for producing selectively permeable membrane structure, selectively permeable membrane structure, and air conditioning system Mar. 12, 2013
8361182 Filter cartridge with centerboard, dust collectors, and methods Jan. 29, 2013
8357220 Multi-phase filter medium Jan. 22, 2013
8353975 Process for producing a fleece having metallic wire filaments, process for producing honeycomb body having at least one fleece, fleece, honeycomb body, apparatus and vehicle Jan. 15, 2013
8343251 Composite filter media Jan. 1, 2013
8337696 Method for making a bag filter housing Dec. 25, 2012
8323554 Method and apparatus for electric Dec. 4, 2012
8303693 Nanofiber filter facemasks and cabin filters Nov. 6, 2012
8303889 Method for making a SiC based ceramic porous body Nov. 6, 2012
8292982 Process for producing a filter, in particular for a rotary separator Oct. 23, 2012
8293333 Ammonia-free gaseous air filter Oct. 23, 2012
8282699 Filter unit panel and method of manufacturing the same Oct. 9, 2012
8268053 Fluted filter media Sep. 18, 2012

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