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| Number | Title | Issue Date |
| 7357823 | Disposable filter within a removable chamber A vacuum cleaner includes a housing, a nozzle inlet, a suction generator and a dirt cup. The dirt cup includes a dirt collection chamber, an inlet and an open end. Additionally, the vacuum cleaner includes a filter assembly. The filter assembly includes a filter hou... | 04/15/2008 |
| 7329293 | Disposable filtration system for bagless vacuum cleaners According to the present invention, a bagless vacuum cleaner includes a dust chamber, a primary filter and a second filter. The dust chamber includes an entrance and an exit. The primary filter is disposed in the dust chamber between the entrance and the exit and th... | 02/12/2008 |
| 7207083 | Electric vacuum cleaner The electric vacuum cleaner is disclosed which includes a main body within which an electric blower and cyclonic separation cylinder are provided. A dust collecting case is provided in communication with the cyclonic separation cylinder to receive dust that has been... | 04/24/2007 |
| 7166022 | Suction head for cleaning of the surface of carcass parts A suction head for cleaning of the surface of carcass parts consists of an oblong handle (1) and a nozzle (3) mounted at one end of the handle. An air duct (6) passes through the handle and the nozzle, and it can be connected with a suction devi... | 01/23/2007 |
| 7134166 | Upright vacuum cleaner with cyclonic airflow A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an... | 11/14/2006 |
| 7131165 | Upright vacuum cleaner with cyclonic airflow A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an... | 11/07/2006 |
| 7086176 | Hair dryer hot air generator retainer A hair dryer hot air generator retainer allowing compact design, production cost reduction, and see-through attractive appearance containing a built-in hot air generator in homogenous voltage drop design; including a barrel in two separate halves and an H shape fram... | 08/08/2006 |
| 7070636 | Cyclonic vacuum cleaner with filter and filter sweeper A bagless vacuum cleaner (10) includes a nozzle assembly (16) having a suction nozzle for picking up dirt and debris from a surface to be cleaned and a canister assembly (18) including a cavity (32). A dust collection assembly (12)... | 07/04/2006 |
| 7044991 | Dust-collecting structure of a dust-collecting device A dust-collection structure of a dust-collection device includes a body, a dust-collection module, a moving seat and a dust-filtering module. The cart body is provided with a blower having a driving member and the top face of the blower is provided with a connection... | 05/16/2006 |
| 7028369 | Combination wet and dry type vacuum cleaner A wet/dry type vacuum cleaner has a suction generator, a cleaner body including the suction generator at one side of a lower portion, an intake port being connected with a nozzle that is movable along a surface to be cleaned, and a discharge port through which a cle... | 04/18/2006 |
| 6955696 | Filter frame and assembly A filter frame including a panel having a plurality of V-shaped elements disposed on the first side thereof. Each V-shaped element includes a pair of slots each configured to receive and orient a filter element. A portion of the panel disposed between adjacent pairs... | 10/18/2005 |
| 6949130 | Dust and dirt separation assembly A dust and dirt separation assembly for use in a vacuum cleaner having a housing having a dirt collection chamber, a dirty air inlet, a clean air outlet, and an airflow path existing therebetween, a first separation means for separating articles of dirt from dirty a... | 09/27/2005 |
| 6638329 | Filter having a folded dust filter element and a cleaning device for the folded dust filter element A filter for filtering dust-containing air including a filter insert (2) and a cleaning device (3) having a contact element (6) mechanically contacting the filter insert along an end edge (4a/4b) of a folded dust filter element (5) forming part of the fil... | 10/28/2003 |
| 6625845 | Cyclonic vacuum cleaner In an electric vacuum cleaner, in a suction air passage provided between a nozzle unit having a nozzle and an electric blower for producing a suction air flow, a separator for separating dust from the suction air flow is arranged. In the separator, a dust... | 09/30/2003 |
| 6598263 | Vacuum cleaner dirt collecting system with filter cleaning devices A dirt collecting system for a vacuum cleaner includes a dirt cup formed with a coarse particle separation chamber and a fine particle separation chamber separated by an apertured wall. Coarse dirt particles directed into the coarse particle separation ch... | 07/29/2003 |
| 6569218 | Self spin-cleaning canister vacuum A method of using vacuum-cleaner filters includes mounting a cylindrical-shaped filter cartridge coaxially on a rotatable spindle. Then air is drawn radially through a filter material wall of the filter cartridge. Periodically, the cartridge filter on the... | 05/27/2003 |
| 6192550 | Dust-collecting device for vacuum cleaner and upright type vacuum cleaner A dust-collecting device for a vacuum cleaner comprising a dust-collecting case which is fitted into a suction path extending from a suction nozzle to a motor fan and from which accumulated dust can be discharged by opening a bottom lid of the dust-collec... | 02/27/2001 |
| 5704956 | Filter cleaning system for an ash vacuum A filter cleaning system for a vacuum that includes a housing that is open across its top end and is arranged to be covered by a removable lid whereon is mounted a vacuum source. The housing includes a hose port for connection to a vacuum hose, and the ho... | 01/06/1998 |
| 5667682 | Self-cleaning filtration apparatus An apparatus and method for filtering a fluid containing contaminants is provided whereby the apparatus includes an inlet for drawing fluid from a fluid source, a housing having attached thereto the inlet, a contaminant outlet, a clean outlet, a filtering... | 09/16/1997 |
| 5310528 | Method for purification of waste gases A method which provides purification of waste gases by adding particles of reagent and/or absorbent, which react with the pollutants in the waste gases, to the gases, and by introducing the gases into a wetting reactor for activating the reagent or absorb... | 05/10/1994 |
| 5259087 | Ash vacuum A vacuum consisting of a canister housing that is open across its top end and is arranged to be covered by a removable lid, which lid mounts a vacuum source. The canister housing includes a hose port for connection to a hose that mounts a nozzle on the en... | 11/09/1993 |
| 5226938 | Separator assembly A separator assembly includes a tubular bag separator having a cylindrical casing and supported in an axially vertical position by an upright stanchion mounted on an associated support base. The separator is used in combination with a disposable drum posi... | 07/13/1993 |
| 5224974 | Filter for use in dry powder spray coating systems A filter for use in a dry powder spray booth that includes a frame containing a quantity of pleated filter sheet material. The ends and sides of the pleated sheet are secured in the frame by a sealant. The material forming the pleated sheet is a fiber pap... | 07/06/1993 |
| 5090083 | Wide area carpet vacuum cleaner The specification discloses a wheeled commercial carpet vacuum cleaner having wide area coverage, an integral one piece molded polymer housing enclosing a debris hopper with a plurality of inverted filter tubes therabove and enclosed by a filter housing i... | 02/25/1992 |
| 5087274 | Bag shaker A bag separator having a bag housing containing a moveable bag head supporting a plurality of depending filter bags includes a bag shaker which may be readily provided for either manual or power operation. Parts of the shaker mechanism are common to both ... | 02/11/1992 |
| 4925550 | Batch-action apparatus for filtering fluid medium A batch-action apparatus for filtering a fluid medium comprises a hermetically sealed housing (1) communicating with systems (9, 10 and 11) for feeding the fluid medium, discharging the clean medium, and evacuating filter cake. The housing (1) accommodate... | 05/15/1990 |
| 4868949 | Ash vacuum adapter An ash vacuum adapter for connection to a vacuum source to pull warm to even hot and burning ashes and small coals through a fire retardant hose, the ashes and coals deposited in a canister housing that is supported on rollers or casters. The vacuum sourc... | 09/26/1989 |
| 4842624 | Apparatus for cleaning air filters An apparatus for cleaning air filters by a combination of vibration, air pressure, and suction. A support member includes a first inclined wall sloped more steeply than a second inclined wall, providing generally V-shaped supporting surfaces which cause t... | 06/27/1989 |
| 4832843 | Apparatus for filtering fluid medium The apparatus comprises a hermetically sealed hollow housing (1) accommodating in the interior thereof a flexible filtering member (2) in the form of a hose, the ends of which are turned inside out and attached to the periphery of the inside surface of th... | 05/23/1989 |
| 4592764 | Vacuum cleaner A body of a vacuum cleaner comprising three subassemblies, i.e., a front subassembly, a central subassembly, and a rear subassembly. The front subassembly stores the matter drawn through a suction port formed in a suitable position. The central subassembl... | 06/03/1986 |
| 4579570 | Shaking mechanism for filter bags The shaking mechanism for the filter bags in the dust removal section of an abrasive blast cabinet includes a shaker rod from which the filter bags are suspended. The shaker rod is mounted for both axial movement along and rotational movement about its lo... | 04/01/1986 |
| 4533371 | Vacuum cleaner A vacuum cleaner including a dust chamber, a vacuum chamber and a source for producing low pressure in the vacuum chamber, wherein the dust chamber and the vacuum chamber are partitioned by a first filter unit, and wherein the vacuum chamber is provided w... | 08/06/1985 |
| 4340401 | Bag-filter type dust collector A dust-collector of the bag filter type to filter and trap dust and other solid material entrained in flue gases uses a plurality of bags suspended in an array to cooperate with a shaking mechanism. Each bag has an open bottom end and is suspended resilie... | 07/20/1982 |
| 4297114 | Vacuum cleaner having bag cleaning apparatus A vacuum cleaner having a rotor which is mounted to turn at the inside of a filter bag of the device, and which acts when turned to contact the bag and displace accumulated dust from its outer surface. The rotor may be actuable from the outside of the cle... | 10/27/1981 |
| 3951628 | Portable filter bag assembly A portable filter bag house assembly includes a collapsible main frame, a plenum chamber attached to the main frame, and a sub-frame carried by the main frame for shaking movement, the sub-frame supporting filter bags to extend toward the plenum chamber f... | 04/20/1976 |
