| Patents for A47L 9 - Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners (27,038) |
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| 02/20/1991 | EP0413359A1 Vacuum cleaner and method of determining a kind of a surface of a floor being cleaned thereby |
| 02/20/1991 | EP0413113A2 Electronically commutated motor for vacuum cleaner and the like |
| 02/20/1991 | CN2071497U Floor nozzle of suction cleaner capable of removing static electricity |
| 02/19/1991 | US4993108 Vacuum cleaner with adjustable nozzle shield |
| 02/19/1991 | US4993107 Filtering and collecting device of solid and powder refuse for industrial and civil suction apparatus |
| 02/19/1991 | US4993104 Electrical safety interlock and pulse-type reset circuit for a vacuum cleaner system |
| 02/19/1991 | CA1280455C Swivel hose couplings |
| 02/12/1991 | US4991253 Industrial central-vacuum system |
| 02/06/1991 | EP0411855A2 Power control circuit |
| 02/06/1991 | EP0411091A1 Arrangement for a vacuum cleaner |
| 02/05/1991 | US4989295 Telescopic guide wand for floor-cleaning appliances |
| 02/05/1991 | US4989294 Floor cleaning tool for vacuum cleaner |
| 02/05/1991 | US4989291 Computer servicing cart |
| 01/30/1991 | EP0410555A1 Vacuum cleaner with adjustable nozzle shield |
| 01/30/1991 | EP0409959A1 Arrangement for a vacuum cleaner. |
| 01/29/1991 | US4987637 Canister vacuum cleaner and method of manufacture |
| 01/24/1991 | CA2008318A1 Vacuum cleaner with adjustable nozzle shield |
| 01/23/1991 | EP0409038A1 Vacuum cleaner dust bag having a rigid closing plate |
| 01/23/1991 | EP0394403A4 Vacuum cleaner filter bag assembly |
| 01/16/1991 | CN1011190B Method of and apparatus for operating vaccum suction cleaners |
| 01/15/1991 | US4984330 Nozzle assembly for a vacuum device |
| 01/12/1991 | WO1991000707A1 Disposable dust bag for vacuum cleaners and the like |
| 01/10/1991 | DE3920313A1 Filter bag retainer for domestic suction cleaner - has two rocking levers cooperating with guidance moulding to allow imposition of cover only after correct insertion |
| 01/08/1991 | US4983895 Method and apparatus for operating vacuum cleaner |
| 01/08/1991 | CA1278653C Surface cleaning appliance |
| 01/02/1991 | EP0405888A2 Vacuum cleaners |
| 01/02/1991 | EP0405819A2 Sweeping implement |
| 01/01/1991 | US4980945 Safety interlock device for a vacuum cleaner |
| 12/27/1990 | EP0404612A2 Liquid dispensing and suctioning system for surface cleaning |
| 12/27/1990 | EP0404437A1 Speed and steering control for scrubbers and the like |
| 12/27/1990 | CA1278155C Vacuum cleaner construction |
| 12/26/1990 | CN2067962U Smooth plane dust catcher head |
| 12/20/1990 | DE3919256A1 Dust filter bag with slider for suction cleaner - has retaining sheet co-operating with slider to ensure covering of dust inlet of withdrawal of bag |
| 12/18/1990 | US4977640 Floor nozzle for vacuum cleaner |
| 12/18/1990 | US4977639 Floor detector for vacuum cleaners |
| 12/18/1990 | CA1277812C Central vacuum system apparatus |
| 12/18/1990 | CA1277811C Vacuum cleaning machine |
| 12/14/1990 | WO1990015566A1 Central suction-cleaning installation with water flushing and double rinsing |
| 12/13/1990 | WO1990014786A1 Reciprocating vacuum cleaner beater |
| 12/12/1990 | EP0401531A2 Battery powered vacuum cleaner |
| 12/11/1990 | US4976850 Suction apparatus |
| 12/11/1990 | US4976005 Cleaning tool with demand-responsive air port |
| 12/11/1990 | US4976004 Apparatus and method for cleaning hot water heater tanks |
| 12/11/1990 | US4976003 Cleaning apparatus |
| 12/11/1990 | US4976002 Tube particle vacuum cleaner |
| 12/11/1990 | CA1277461C Dirt drawer latch for vacuum cleaner |
| 12/11/1990 | CA1277460C Vacuum cleaner tool storage |
| 12/11/1990 | CA1277459C Support tray for disposable filter bag |
| 12/06/1990 | DE3918237A1 Electric vacuum cleaner with fine dust filter - uses several filter stages in series each utilising replaceable filter element |
| 12/05/1990 | EP0400136A1 Vacuum cleaner with suction indicator |
| 12/05/1990 | EP0400082A1 Corded/cordless dual-mode power-operated device. |
| 12/05/1990 | CN2066713U Water type vacuum cleaner |
| 12/04/1990 | US4974283 Hand-guided sweeping machine |
| 12/04/1990 | CA1277113C Vacuum cleaner attachments |
| 11/29/1990 | WO1990014038A1 Suction cleaner head |
| 11/29/1990 | DE4016464A1 Vacuum cleaner with optional bush assistance - has intermediate plate holding peripheral brushes lowered by pedal with simultaneous sealing of pedal mechanism |
| 11/29/1990 | DE4010120A1 Insect removal device for vehicle windscreens - has housing which contains air turbine wheel driving cleaning band and provision for introduction of cleaning fluid via pipe |
| 11/29/1990 | DE3917351A1 Telescopic pipe connection for two interlocking pipes - consists of sleeve, elastic plate spring and bulge |
| 11/29/1990 | DE3917012A1 Mobile stool for effort reduction during vacuum cleaning - has stable framework for transporting cleaner cylinder and operator with adjustable seat |
| 11/28/1990 | EP0399931A1 Apparatus for remote control of suction or ventilation system |
| 11/28/1990 | EP0399433A1 A suction pipe for a vacuum cleaner |
| 11/28/1990 | EP0399177A1 Telescopic vacuum cleaner suction hose |
| 11/28/1990 | EP0399031A1 Convertible vacuum cleaner. |
| 11/27/1990 | US4972544 Air powered vacuum cleaning tool |
| 11/22/1990 | DE4014219A1 Horizontal vacuum cleaner dust bag - fits in carrier of open-topped skeleton strip structure clipped into position |
| 11/22/1990 | DE4013572A1 Suction cleaner with slider retaining dust bag cover - relieves stress on dust bag stiffening plate by compression of spring beneath pop-up sliding element |
| 11/20/1990 | US4970753 Vacuum cleaner noise reducing arrangement |
| 11/20/1990 | CA1276416C Air blower assembly for vacuum cleaners |
| 11/15/1990 | DE3915154A1 Fixing system for vacuum cleaner filter bag - has stub pipe for reception of filter bag with section radially flexible and fitted at holding plate |
| 11/15/1990 | CA2016599A1 Battery powered vacuum cleaner |
| 11/14/1990 | EP0397205A1 Vacuum cleaner |
| 11/14/1990 | EP0397112A1 A suction head for attachment to a vacuum cleaner |
| 11/14/1990 | EP0396864A1 Dust bag attachment device in a vacuum cleaner |
| 11/14/1990 | EP0396803A1 Filter device for a vacuum cleaner |
| 11/14/1990 | CN2065457U Suction cleaner for banknote checker |
| 11/13/1990 | US4969837 Electrified vacuum cleaner hose adapter |
| 11/13/1990 | US4969797 Fan motor |
| 11/13/1990 | US4969229 Battery-operated surface treatment apparatus having a booster function |
| 11/13/1990 | CA1276248C Current-carrying flexible hose |
| 11/07/1990 | EP0395908A1 Telescopic handle for floor care appliance |
| 11/07/1990 | EP0395787A1 Method and apparates for combating domestic mites |
| 11/06/1990 | US4968333 Apparatus for cleaning heating, ventilation, and air conditioning systems |
| 11/06/1990 | US4967862 Tether-guided vehicle and method of controlling same |
| 11/06/1990 | US4967443 Filter assembly for a vacuum cleaner |
| 11/06/1990 | CA1275763C Quick release power cord wrap and caster for canister vacuum cleaner |
| 11/05/1990 | CA2016163A1 Telescopic guide wand for floor-cleaning appliances |
| 11/01/1990 | WO1990012532A1 Filter cleaner/separator for dry and wet suction machines |
| 10/31/1990 | EP0394641A1 Positioning device for floor cleaning machine |
| 10/31/1990 | EP0394403A1 Vacuum cleaner filter bag assembly |
| 10/31/1990 | DE3914396A1 Manually adjustable slider for vacuum cleaner - produces rotary movement from straight line movement of slider with rotary resistance connected to slider |
| 10/25/1990 | DE3913419A1 Fixing unit for air supply joint for vacuum cleaner - forms air path by rigid tube and freely-moving torsionally stiff connection between two tubular parts |
| 10/25/1990 | DE3912866A1 Vacuum cleaner nozzle with filtered exhaust air return - has wide cross section in pressure connection connected tangentially to cylindrical chamber |
| 10/23/1990 | US4964190 Floor nozzle of a vacuum cleaner |
| 10/23/1990 | US4964189 Intake seal for tank vacuum cleaner |
| 10/17/1990 | CN2063794U Dust-removing device for dust collector |
| 10/17/1990 | CN2063793U Dust collector for cross-country vehicles |
| 10/16/1990 | US4963100 Electrified vacuum cleaner hose adapter |
| 10/10/1990 | EP0391338A1 Vacuum cleaner |
| 10/10/1990 | EP0390956A1 Signalling device on a vacuum cleaner for monitoring the extent of soiling of at least one dust filter contained in the vacuum cleaner |
| 10/09/1990 | US4962453 Autonomous vehicle for working on a surface and method of controlling same |