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Browse by Category: Main > Chemistry
Class Information
Number: 55/DIG.3
Name: Gas separation > Vacuum cleaner
Description:










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
8701244 Vacuum cleaner Apr. 22, 2014
8695158 Loading mechanism of dust-collecting apparatus Apr. 15, 2014
8695159 Vacuum cleaner Apr. 15, 2014
8689401 Vacuum cleaner dirt cup Apr. 8, 2014
8679211 Cyclonic separator assembly for a vacuum cleaner Mar. 25, 2014
8667640 Vacuum cleaner Mar. 11, 2014
8661611 Dust collector for a vacuum cleaner having a filtered dust removal function and vacuum cleaner Mar. 4, 2014
8657905 Cyclonic separation apparatus Feb. 25, 2014
8657904 Cyclonic separation apparatus for a vacuum cleaner Feb. 25, 2014
8657899 Dust collector comprising a handle unit and intended for a vacuum cleaner Feb. 25, 2014
8647408 Indicator device for a filter, vacuum cleaner, and method of filtering a vacuum cleaner exhaust stream Feb. 11, 2014
8640304 Cyclone construction for a surface cleaning apparatus Feb. 4, 2014
8607408 Vacuum cleaner Dec. 17, 2013
8595895 Hand-holdable vacuum cleaner Dec. 3, 2013
8591615 Dust collecting apparatus of vacuum cleaner having function of removing dust detached from filter Nov. 26, 2013
8568500 Multi-cyclone dust separator and a vacuum cleaner using the same Oct. 29, 2013
8562705 Multistage cyclonic separating apparatus Oct. 22, 2013
8557008 Vacuum appliance filter assemblies and associated vacuum systems Oct. 15, 2013
8551227 Filter Oct. 8, 2013
8544142 Dust container and dust collector using the same Oct. 1, 2013
8533903 Dirt cup assembly with a pre-filter having a plurality of ribs Sep. 17, 2013
8528160 Suction motor and fan assembly housing construction for a surface cleaning apparatus Sep. 10, 2013
8528164 Cyclone chamber for a surface cleaning apparatus Sep. 10, 2013
8495788 Filter locking arrangement for a vacuum cleaner Jul. 30, 2013
8484798 System comprising a vacuum cleaner and a dust bag Jul. 16, 2013
8470083 Portable canister vacuum Jun. 25, 2013
8465574 Filter Jun. 18, 2013
8448291 Inlet for a vacuum cleaner May. 28, 2013
8449639 Vacuum cleaner filter bag May. 28, 2013
8443486 Electric vacuum cleaner May. 21, 2013
8439997 Vacuum sweeper apparatus including a filter bag and a method of installation May. 14, 2013
8435318 Vacuum cleaner having dual locking structure May. 7, 2013
8424154 Vacuum cleaner with filter cleaning means Apr. 23, 2013
8425642 Cyclonic separating apparatus Apr. 23, 2013
8414670 Dust-sucking and air-cleaning composite structure Apr. 9, 2013
8413293 Vacuum cleaner comprising a dust collection chamber sealable by a cover and a tiltable dust bag receptacle Apr. 9, 2013
8402599 Vacuum cleaner dirt cup and seal Mar. 26, 2013
8404034 Vacuum cleaner and method of controlling the same Mar. 26, 2013
8393050 Portable cyclonic dust collector/vacuum cleaner Mar. 12, 2013
8394162 Dust collector Mar. 12, 2013
8387204 Handheld cleaning appliance Mar. 5, 2013
8375509 Cyclonic separating apparatus for a cleaning appliance Feb. 19, 2013
8370992 Vacuum cleaner Feb. 12, 2013
8370993 Bendable support rod for a surface cleaning apparatus Feb. 12, 2013
8343248 Filter unit panel Jan. 1, 2013
8308831 Filter cleaning mechanisms Nov. 13, 2012
8308832 Dust separating and collecting apparatus of vacuum cleaner Nov. 13, 2012
8302253 Cyclone separation dust cup and vacuum cleaner using the same Nov. 6, 2012
8296900 Seal construction for a surface cleaning apparatus Oct. 30, 2012
8291545 Twin cyclone vacuum cleaner Oct. 23, 2012

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