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Class Information
Number: 55/522
Name: Gas separation > Specific media material
Description: Apparatus in which (1) the stock, fiber, metal, weave, fabric or a modification thereof or (2) an added ingredient to bond, coat or impregnate stock material is specifically recited in a claim.










Sub-classes under this class:

Class Number Class Name Patents
55/523 Ceramic or sintered 1,275
55/527 Fibrous or strand form 513
55/525 Metal mesh or expanded material 241
55/524 With coating, impregnant, or bonding agent 1,207


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8702832 Securable mounting material and method of making and using the same Apr. 22, 2014
8685127 Compact filter, method for producing a compact filter, and filter medium Apr. 1, 2014
8685140 Particle filter and a method for operating a particle filter Apr. 1, 2014
8679209 Pulsed plasma regeneration of a particulate filter Mar. 25, 2014
8673065 Sintered fiber filter Mar. 18, 2014
8673043 Fluid filter Mar. 18, 2014
8673044 Process for producing aluminum titanate-based ceramics body Mar. 18, 2014
8673045 Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same Mar. 18, 2014
8673064 Partial wall-flow filter and method Mar. 18, 2014
8668757 Method for producing a ceramic filter element and filter element Mar. 11, 2014
8663356 Honeycomb structure Mar. 4, 2014
8663357 Holding sealing material, exhaust gas purifying apparatus, and method for manufacturing exhaust gas purifying apparatus Mar. 4, 2014
8663358 Filter media with improved conductivity Mar. 4, 2014
8657914 Exhaust gas purifying filter Feb. 25, 2014
8657926 Device and method for condensing water Feb. 25, 2014
8641791 Method of supplying iron to the particulate trap of a diesel engine exhaust Feb. 4, 2014
8636821 Ceramic honeycomb structure and its production method Jan. 28, 2014
8632620 Holding sealing material, exhaust gas purifying apparatus, and method for manufacturing exhaust gas purifying apparatus Jan. 21, 2014
8632619 Filter element, in particular for filtering exhaust gases of an internal combustion engine Jan. 21, 2014
8617295 Active-particulate air filter having monolith primary filter and polishing filter Dec. 31, 2013
8617300 Media for photocatalytic filter Dec. 31, 2013
8620241 Method and apparatus for optimizing output power levels in power amplifiers Dec. 31, 2013
8613895 Process equipment contaminant removal Dec. 24, 2013
8608819 Filter device for filtering gaseous fluids Dec. 17, 2013
8608820 Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engine Dec. 17, 2013
8608835 Exhaust gas purification system for an internal combustion engine Dec. 17, 2013
8591623 Honeycomb manufacturing method using ground nut shells and honeycomb body produced thereby Nov. 26, 2013
8591614 Method of manufacturing exhaust gas purifying apparatus and exhaust gas purifying apparatus Nov. 26, 2013
8585794 Air filter insert Nov. 19, 2013
8585795 Ceramic nanofibers for liquid or gas filtration and other high temperature (> 1000.degree. C.) applications Nov. 19, 2013
8580009 Honeycomb filter Nov. 12, 2013
8574334 Mat, holding sealing material, method for producing mat, and exhaust gas purifying apparatus Nov. 5, 2013
8574335 Holding sealing material, exhaust gas purifying apparatus, and method of manufacturing exhaust gas purifying apparatus Nov. 5, 2013
8562722 Structural reinforcements for filter assemblies Oct. 22, 2013
8557012 Molten oxide grains including Al and Ti, and ceramic materials comprising said grains Oct. 15, 2013
8557011 Marked honeycomb structure Oct. 15, 2013
8557010 Fused grains of oxides comprising Al, Ti, Si and ceramic products comprising such grains Oct. 15, 2013
8557009 Ceramic filter element and method of manufacture Oct. 15, 2013
8551205 Gas filter insert Oct. 8, 2013
8545607 Pleatable composite filter media Oct. 1, 2013
8540793 Exhaust processing device and manufacturing method thereof Sep. 24, 2013
8529652 Soot particle filter Sep. 10, 2013
8518143 Method for producing a ceramic filter element and filter element Aug. 27, 2013
8518855 Honeycomb structure Aug. 27, 2013
8512452 Hot-trap assembly for trapping unreacted gas by-products Aug. 20, 2013
8512433 Low back pressure porous honeycomb and method Aug. 20, 2013
8500840 Cordierite-based ceramic honeycomb filter and its production method Aug. 6, 2013
8500883 Apparatus and system for filtering air Aug. 6, 2013
8496724 Plugged honeycomb structure and method for manufacturing the same Jul. 30, 2013
8491684 Filter cartridge; components thereof; and methods Jul. 23, 2013

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