| Patent Number |
Title Of Patent |
Date Issued |
| D472590 |
Toy vacuum cleaner |
April 1, 2003 |
|
| D455242 |
Tool for a floor care appliance |
April 2, 2002 |
|
| D453866 |
Wand for vacuum cleaner |
February 19, 2002 |
|
| D449724 |
Accessory for vacuum cleaner |
October 23, 2001 |
|
| D445226 |
Canister type portable vacuum cleaner |
July 17, 2001 |
|
| D439379 |
Vacuum cleaner |
March 20, 2001 |
|
| D429776 |
Toy vacuum cleaner |
August 22, 2000 |
|
| D427737 |
Vacuum cleaner floor tool |
July 4, 2000 |
|
| D413698 |
Vacuum cleaner |
September 7, 1999 |
|
| D382679 |
Vacuum cleaner |
August 19, 1997 |
|
| 6691849 |
Clutch mechanism |
February 17, 2004 |
| The invention provides a clutch mechanism (200) having a driven pulley (32) and a drive pulley (34) to which a load is applied, the clutch mechanism (200) having an engaged position in which torque applied in use to the driven pulley (32) is transmitted to the drive pulley (34), and a |
| 6461508 |
Apparatus for separating dirt or dust from an airflow |
October 8, 2002 |
| The invention provides apparatus for separating dirt or dust from an airflow, comprising a collector (32) having an outer wall (32a) forming an air-rotational surface, an inner wall (34a), an airflow inlet for introducing the airflow substantially tangentially to the outer wall (32a) |
| 6425931 |
Cyclonic separation apparatus |
July 30, 2002 |
| The invention provides cyclonic separation apparatus containing a cyclone body having at least one fluid inlet and a fluid outlet, the fluid outlet being concentric with the longitudinal axis of the cyclone body. The cyclonic separation apparatus also contains a vortex finder projecting |
| 6408481 |
Vacuum cleaner |
June 25, 2002 |
| The present invention relates to a vacuum cleaner (1) comprising a first casing (10) housing dust separation apparatus, a second casing (11) housing at least one filter (21, 23) or other component of the vacuum cleaner (1), a central spine (13) housing at least one conduit and forming |
| 6354635 |
Cuff for joining an inner and an outer pipe |
March 12, 2002 |
| A cuff (10) for joining together an inner and outer pipe (16, 14), the cuff being slideable along at least part of the inner pipe to allow nesting of the pipes. The cuff (10) comprises a housing (12) and an interlocking member (28). The interlocking member (28) lies, in use, in a plane |
| 6349738 |
Apparatus for separating particles from a fluid flow and a valve for introducing bled fluid to a |
February 26, 2002 |
| A bleed valve for introducing bled fluid to a mainstream fluid flowing through apparatus across which a pressure differential occurs, characterized in that the bleed valve is adapted to open so as to bleed fluid into the mainstream fluid when the pressure differential across the appa |
| 6345407 |
Tool holder for a vacuum cleaner or other cleaning appliance |
February 12, 2002 |
| The invention provides a tool holder for a vacuum cleaner having a main body, a wand and a hose therebetween, the tool holder (10) comprising attachment means (12, 14) for attaching the tool holder (10) to the vacuum cleaner and tool receiving means (22) for receiving at least one tool ( |
| 6261330 |
Apparatus for separating particles from a fluid flow |
July 17, 2001 |
| The invention provides apparatus for separating particles from a fluid flow having a cyclonic separator (10) and a fan (12) for causing the fluid to flow through the cyclonic separator (10), the cyclonic separator (10) having an inlet (16) and an interior wall having a frusto-conical por |
| 6256832 |
Vacuum cleaner |
July 10, 2001 |
| The invention provides a vacuum cleaner (2) having a cleaner head (8) comprising a dirty air inlet (12) and a passage 20) forming an airflow path for dirty air entering the dirty air inlet (12). Access means (24, 26) are provided for allowing access to the airflow path (20) to facili |
| 6231649 |
Apparatus for separating particles from a fluid and a valve for introducing bled fluid to a main |
May 15, 2001 |
| A bleed valve (30) for introducing bled fluid to a mainstream fluid through apparatus (16) across which a pressure differential occurs, characterized in that the bleed valve (30) is adapted to open so as to bleed fluid into the mainstream fluid when the pressure differential across the a |
| 6193787 |
Domestic vacuum cleaner and an attachment therefor |
February 27, 2001 |
| The invention provides a domestic vacuum cleaner comprising separating means and particle collecting means, the particle collecting means comprising a side wall (22) and a base (20), wherein the base (20) is releasably connected to the side wall (22) to facilitate disposal of particl |
| 6167588 |
Vacuum cleaner with filter clogging indicating means |
January 2, 2001 |
| The invention provides a vacuum cleaner having an airflow path, dust separating apparatus (16) arranged in the airflow path and a motor (24) arranged in the airflow path downstream of the dust separating apparatus (16), a pre-motor filter (20) located immediately upstream of the motor |
| 5937477 |
Vacuum cleaner |
August 17, 1999 |
| The invention provides a vacuum cleaner (10) having a housing (12) containing an apparatus (22) for separating dirt and dust from an airflow. The vacuum cleaner is configured so as to allow the cleaner to be positioned on a flight of stairs. The forward end (32) of the housing is sha |
| 5893938 |
Dust separation apparatus |
April 13, 1999 |
| The invention provides apparatus (10) for separating dirt or dust from an airflow including a frustoconical cyclone (12) having a tangential air inlet (16) located at or adjacent the end of the cyclone having the larger diameter and a cone opening (18) located at the end of the cyclone h |
| 5893936 |
Shroud and cyclonic cleaning apparatus incorporating same |
April 13, 1999 |
| The invention provides a shroud (10; 40) for use in apparatus incorporating a cyclonic dust separation divice for separating dirt and dust from an airflow, the shroud (10; 40) having a perforated portion (14; 44) having a multiplicity of perforations (30; 46) for allowing the airflow to |
| 5858038 |
Dust separation apparatus |
January 12, 1999 |
| An apparatus (10) for separating dirt or dust from an airflow comprising a frustoconical cyclone (12) having a tangential air inlet (16) located at or adjacent the end of the cyclone (12) having the larger diameter and a cone opening (18) located at the end of the cyclone (12) having the |
| 5853440 |
Shroud and cyclonic cleaning apparatus incorporating same |
December 29, 1998 |
| The invention provides a shroud (10; 40) for use in apparatus incorporating cyclonic dust separation structure for separating dirt and dust from an airflow, the shroud (10; 40) including a perforated portion (14; 44) having a multiplicity of perforations (30; 46) for allowing the airflow |
| 5846273 |
Dust separation apparatus |
December 8, 1998 |
| The invention provides dust separating apparatus (10) including a cyclone (14) having an outer wall (14a) and an air inlet (12), a shroud (16) and an airflow path, the airflow path being arranged so as to direct an airflow flowing, in use, in the dust separating apparatus into the cyclon |
| 5840103 |
Vacuum cleaner and a filter assembly therefor |
November 24, 1998 |
| The invention provides a vacuum cleaner (100) including an airflow path, dirt and dust collecting device arranged in the airflow path, a motor or fan unit (110) for causing air to flow along the airflow path and also arranged therein, a first filter (112) arranged immediately upstream of |
| 5755007 |
Portable cleaning apparatus |
May 26, 1998 |
| A portable cleaning apparatus (10) for use with stair treads (20) is described. The apparatus includes a recess (30) which is raised away from the stair tread and is supported on either side of the recess by the body (12) so that the recess is not in contact with the stair tread. |
| 5558697 |
Dual cyclonic vacuum cleaner |
September 24, 1996 |
| A vacuum cleaner including a dirty air inlet (12, 14) communicating with a clean air outlet by way of an airflow path has a cyclone (18) arranged in the airflow path. In use, air flowing along the airflow path from the dirty air inlet (12, 14) to the clean air outlet passes through the |
| 5160356 |
Vacuum cleaning apparatus |
November 3, 1992 |
| A cleaning apparatus including cyclones (11, 52, 81, 107) connected to a uniquely configured receiving chamber (12, 53, 99, 112) is described. The chamber has a diameter furthest from the cone opening (32, 75, 98, 118) at least 3 times the diameter of the cone opening such that dirt is n |
| 5145499 |
Disposable bin for cyclonic vacuum |
September 8, 1992 |
| A unitary liner (36) for use in a dual inner and outer cyclonic vacuum cleaning apparatus (10) is described. The liner has a rigid receiver member (38) that collects dirt separated from the airflow by the inner cyclone (12). The receiver is integrally bonded to a flexible container p |
| 5078761 |
Shroud |
January 7, 1992 |
| A disc-shaped shroud having a cylindrical section (50c, 132) adjacent to an inner surface (15b, 111b) of a cyclonic container (15, 111) including a preferred combined shroud and disc unit (50) for use in a dual inner and outer cyclonic vacuum cleaner (10) is described. The combined shrou |
| 4853011 |
Vacuum cleaning apparatus |
August 1, 1989 |
| A cleaning apparatus including inner cyclone (11) connected to a uniquely configures receiving chamber (12, 53, 99, 112) is described. An outer container (10) is outwardly tapered to facilitate dirt removal. The chamber has a diameter furthest from the cone opening (32, 75, 98, 118) at |
| 4853008 |
Combined disc and shroud for dual cyclonic cleaning apparatus |
August 1, 1989 |
| A combined disc and shroud unit (30) for use in a dual cyclonic cleaner (10) is described. The unit fits on the outside surface (12b) of the cyclone (12) and aids in removal of dirt and fibrous particles in the container (11). Improved separation is achieved because of the unit. |
| 4643748 |
Cleaning apparatus |
February 17, 1987 |
| An improved cleaning apparatus 10 is described wherein a shroud 21 with a moveable collar 22 is provided on the outside surface 12b of a cyclone 12 in an air outlet 13d from a container 11 leading to the cyclone 12 to dislodge accumulated dirt in the air outlet when a fan 18 drawing air |
