| 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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| 05/05/1992 | US5110266 Electric blower having improved return passage for discharged air flow |
| 05/05/1992 | US5109976 Cleaner |
| 05/05/1992 | US5109568 Handle assembly for a vacuum system cleaning tool |
| 05/05/1992 | CA1299828C Multi-purpose floor cleaning tool |
| 04/30/1992 | WO1992006631A1 A machine and method using graphic data for treating a surface |
| 04/30/1992 | DE4034581A1 Movable sweeper with roller brush - has dirt collector containing dust bag, with opening around which are rims, and clamps with U=shaped carrying bracket |
| 04/28/1992 | US5107568 Duct sweeper |
| 04/28/1992 | US5107567 Stick type vacuum cleaner with a dirt cup secured by a finger-operated latch |
| 04/28/1992 | US5107565 Light system for vacuum cleaner |
| 04/28/1992 | US5107564 Leaf gathering and bagging system |
| 04/23/1992 | DE4032899A1 Shank grip with plug part at one end - fitting at housing of battery-operated vacuum cleaner with integral tubular body sealed at free end |
| 04/21/1992 | US5105503 Cleaning head |
| 04/21/1992 | US5105502 Vacuum cleaner with function to adjust sensitivity of dust sensor |
| 04/16/1992 | WO1992005735A1 Suction cleaning head |
| 04/15/1992 | CN1060202A High efficiency vacuum cleaner bags |
| 04/14/1992 | US5103527 Suction cleaning head |
| 04/14/1992 | US5103526 Liquid dispensing and suctioning system for surface cleaning |
| 04/09/1992 | DE4031123A1 Central unit for central vacuum cleaner - comprises body, vacuum and filter units, dust container, sepn. chamber, and suction and blow-out lines |
| 04/08/1992 | EP0479609A2 Vacuum cleaner and control method thereof |
| 04/08/1992 | CN1016136B Suction nozzle with rotary brush for vacuum cleaner |
| 04/07/1992 | US5102435 Vacuum suction machine with high efficiency filter and operating interlock |
| 04/07/1992 | US5101615 Air-floated apparatus |
| 04/07/1992 | US5101534 Suction nozzle with rotary brush for vacuum cleaner |
| 04/07/1992 | US5101532 Powder dispensing and cleaning apparatus |
| 04/03/1992 | CA2093129A1 Suction cleaning head |
| 04/01/1992 | EP0478007A2 Suction cleaning head |
| 03/26/1992 | DE4030235A1 Brush strip for vacuum cleaners of all types - can be fixed at or moving endless or partially around outer edge of vacuum cleaned suction nozzle |
| 03/25/1992 | EP0477007A1 High efficiency vacuum cleaner bags |
| 03/17/1992 | US5096475 Separator for a vacuum cleaner system |
| 03/17/1992 | US5096472 Multistage; initial element self-cleaning due to use of coarse filter material |
| 03/17/1992 | US5095579 Cleaning center for use in a home, motor vehicle and the like |
| 03/17/1992 | US5095577 Automatic vacuum cleaner |
| 03/17/1992 | US5095576 Hose cover |
| 03/12/1992 | DE4028113A1 Floor-cleaning nozzle attachment for hand vacuum cleaner - is secured releasably by latch with pins engaging brackets on either side of leaf-sprung lever |
| 03/11/1992 | EP0474542A2 Apparatus and method for recognizing carpets and stairs of cleaning robot |
| 03/11/1992 | EP0284622B1 A method for controlling a vacuum cleaner or a central vacuum cleaner |
| 03/11/1992 | CN2098253U Dual-purpose rod-type duster |
| 03/11/1992 | CN2098252U Duster with easy discharge of dust |
| 03/10/1992 | US5093956 Snap-together housing |
| 03/03/1992 | US5092915 Disposable dust bag for vacuum cleaners and the like |
| 03/03/1992 | US5092913 Multicompartment; efficiency |
| 03/03/1992 | US5092015 Hand-held vacuum cleaner with attachment connector |
| 03/03/1992 | CA1296493C2 Mobile vacuum trash collector |
| 02/26/1992 | CN2096966U Cleaner for suction type road-sweeping lorry |
| 02/25/1992 | WO1992003210A1 Separator for a vacuum cleaner system |
| 02/25/1992 | US5090976 Dual cyclonic vacuum cleaner with disposable liner |
| 02/25/1992 | US5090975 High efficiency vacuum cleaner bags |
| 02/25/1992 | US5090974 Separator for a vacuum cleaner system |
| 02/25/1992 | US5090083 Wide area carpet vacuum cleaner |
| 02/20/1992 | WO1992002123A1 Air-floated mulch recycle system |
| 02/19/1992 | CN2096331U Tooth shape dust collecting head |
| 02/18/1992 | US5089038 Bag mount assembly for a vacuum cleaner |
| 02/18/1992 | US5089037 Industrial vacuum cleaning apparatus |
| 02/18/1992 | US5088150 Repair plate |
| 02/18/1992 | US5088149 Vacuum powered scrub head |
| 02/18/1992 | US5088147 Adjustable length handle for flat finishers |
| 02/12/1992 | EP0470240A1 Vacuum cleaning device. |
| 02/11/1992 | US5086537 Compact extractor |
| 02/11/1992 | US5086536 Convertible vacuum cleaner |
| 02/11/1992 | US5086535 Machine and method using graphic data for treating a surface |
| 02/06/1992 | DE4024236A1 Vacuum cleaner with liq. container - acting as filter preventing dust turbulence and releasing only pure air |
| 02/05/1992 | EP0468994A1 Filter cleaner/separator for dry and wet suction machines |
| 01/29/1992 | EP0468282A1 Dust collector level indicating device |
| 01/29/1992 | EP0468200A1 Tubular filter |
| 01/29/1992 | EP0468065A1 Vacuum cleaner having an insertable dust bag |
| 01/28/1992 | US5083340 Nozzle pipe supporting handle |
| 01/22/1992 | EP0467557A1 Blower assembly with impeller for vacuum cleaner |
| 01/22/1992 | EP0467347A1 Electric vacuum cleaner having electric blower driven in accordance with conditions of floor surfaces |
| 01/21/1992 | US5081738 Motor speed signal transmitter for a vacuum cleaner |
| 01/14/1992 | US5080702 Disposable two-ply filter |
| 01/14/1992 | US5080697 Air filtration |
| 01/14/1992 | US5079802 Suction hose attachment clip and vacuum cleaning device using same |
| 01/14/1992 | US5079796 Nozzle assembly for a vacuum device |
| 01/08/1992 | CN2092296U High efficiency suction cleaner |
| 01/07/1992 | US5078761 Shroud |
| 01/07/1992 | US5078548 Method of and an installation for removing and transferring refuse |
| 01/07/1992 | US5077863 Carpet cleaning machine with perimeter vacuum capability |
| 01/07/1992 | US5077862 Carpet cleaning machine with edge-mounted vacuum nozzle |
| 01/02/1992 | EP0269632B1 Cleaning vehicles |
| 01/02/1992 | DE4020378A1 Electric vacuum cleaner suction hose - has radial stop cooperating with lead cable plug coupling to limit hose rotation |
| 12/31/1991 | US5076819 Dynamic gas-liquid contact apparatus and method |
| 12/31/1991 | US5075922 Vacuum cleaner |
| 12/31/1991 | US5075920 Dry vacuuming or wet cleaning |
| 12/31/1991 | CA1293599C Motor driven brush assembly for vacuum cleaner |
| 12/30/1991 | CA2020154A1 Vacuum sander |
| 12/24/1991 | US5075607 Method and apparatus for operating vacuum cleaner |
| 12/24/1991 | US5074008 Dust mop attachment for vacuum cleaners |
| 12/24/1991 | CA1293408C Computer environment filter apparatus having wing with internal baffles |
| 12/24/1991 | CA1293346C Nozzle with improved coupling for a vacuum device |
| 12/19/1991 | DE4019273A1 Drive drum for belt drive - consists of cylindrical basic part, drive motor with shaft, and shoulder and other shoulder for fixture |
| 12/18/1991 | EP0461443A1 Vacuum cleaner with a noise reducing part attachable to the motor of the blower aggregate |
| 12/17/1991 | US5072484 Vaccum cleaner suction control |
| 12/17/1991 | US5072479 Integrally molded sweeping implement |
| 12/12/1991 | DE4018077A1 Dust extractor for vacuum cleaners or suction equipment - consists of outlet pipe with socket and locking piece, filler tube, separator and collector |
| 12/05/1991 | DE4017721A1 Telescopic suction tube for vacuum cleaner - has sealing sleeve pref. of polyamide |
| 12/05/1991 | DE4017356A1 Electric vacuum cleaner - has 2-part holder securing hose to vacuum cleaner housing in vertical position |
| 12/04/1991 | EP0459783A1 Vacuum cleaner |
| 12/04/1991 | CN2089782U Rotorary liquid dust remover |
| 12/03/1991 | US5069696 Shop vac having external exhaust filter |
| 12/03/1991 | US5069635 Vacuum cleaner hose construction and method of making the same |