| Patents for A47L 11 - Machines for cleaning floors, carpets, furniture, walls, or wall coverings (10,776) |
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| 06/03/1992 | CN2105934U Portable movable closet |
| 05/30/1992 | CA2056554A1 Floor-care disk that can be snapped onto the driving disk of a floor-care apparatus |
| 05/20/1992 | EP0485827A1 Electrical household appliance |
| 05/20/1992 | EP0433285A4 Asbestos removal method and system |
| 05/19/1992 | USRE33926 Scrubber squeegees for scrubbing forward and backward |
| 05/19/1992 | US5114574 Backflush filter system with insert member diffusing filtering and backflush flow |
| 05/19/1992 | US5113547 Adjustable wand for carpet soil extractors |
| 05/19/1992 | CA1300831C Wet/dry vac |
| 05/19/1992 | CA1300827C Vacuum refuse collector |
| 05/13/1992 | CN2103983U Electric floor-scrubing machine |
| 05/12/1992 | CA1300326C Cleaning apparatus |
| 05/06/1992 | EP0483470A1 Self-propelled cleaning device,particularly for swimming pools |
| 05/06/1992 | EP0483160A1 Washing apparatus. |
| 05/05/1992 | US5110230 Adjustable swimming-pool cleaning tool |
| 05/05/1992 | US5109976 Cleaner |
| 05/05/1992 | US5109790 Floor coating agent applying machine |
| 05/05/1992 | US5109566 Self-running cleaning apparatus |
| 05/05/1992 | CA1299825C2 Cleaning device with suction nozzle and liquid and gas separator |
| 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 |
| 04/30/1992 | DE4034580A1 Sweeper with roller brush and dirt collector - has one opening, bridged by carrying bracket with arms attached to top and base |
| 04/23/1992 | DE4103087C1 Scrubbing vacuum cleaner with following auxiliary brush - has scrapingstrips returning residual liq. from latter to suction mouth |
| 04/21/1992 | US5105503 Cleaning head |
| 04/16/1992 | WO1992005735A1 Suction cleaning head |
| 04/14/1992 | US5103527 Suction cleaning head |
| 04/14/1992 | US5103526 Liquid dispensing and suctioning system for surface cleaning |
| 04/08/1992 | EP0478553A1 A machine for treating floor surfaces |
| 04/08/1992 | CN2100857U Wall cleaning device |
| 04/08/1992 | CN2100856U Suction and washing device for floor and carpet |
| 04/07/1992 | US5101532 Powder dispensing and cleaning apparatus |
| 04/07/1992 | CA1298447C Battery powered walk behind floor burnisher |
| 04/03/1992 | CA2093129A1 Suction cleaning head |
| 04/02/1992 | WO1992004854A1 Apparatus for cleaning floors, carpets and the like |
| 04/02/1992 | WO1992004853A1 Floor washing machine |
| 04/01/1992 | EP0478007A2 Suction cleaning head |
| 03/31/1992 | US5100412 Apparatus for making micro-abrasions, particularly on human tissue or on hides |
| 03/31/1992 | US5099543 Pump system for cleaning apparatus |
| 03/31/1992 | US5099538 Miniature dual action apparatus |
| 03/25/1992 | EP0476023A1 Process and autonomous apparatus for the automatic cleaning of ground areas through the performance of programmed tasks. |
| 03/24/1992 | US5098506 Method and apparatus for removing floor tile mastic |
| 03/19/1992 | WO1992003962A1 Means for connecting a unit for treating floor surfaces with a rod like member, intended for guiding said unit |
| 03/17/1992 | US5095578 Vacuum system for cleaning apparatus |
| 03/17/1992 | US5095577 Automatic vacuum cleaner |
| 03/11/1992 | EP0474542A2 Apparatus and method for recognizing carpets and stairs of cleaning robot |
| 03/10/1992 | US5093955 Combined sweeper and scrubber |
| 03/04/1992 | EP0473382A1 Combined sweeper and scrubber |
| 03/04/1992 | CN2097607U Roll wheel dustpan with broom |
| 03/03/1992 | US5092553 Liquid-container mounting for floor-treating machinery |
| 02/20/1992 | DE4025838A1 Deep surface material cleaner - has rotating angled needle to detach debris with surface structure for suction removal |
| 02/18/1992 | US5088151 Collection system for a floor polishing machine |
| 02/12/1992 | CN1058526A Cleaning device of vacuum cleaner |
| 02/11/1992 | US5087018 Fluid flow control valve |
| 02/11/1992 | US5086535 Machine and method using graphic data for treating a surface |
| 02/04/1992 | US5084938 Apparatus for cleaning floor coverings |
| 01/23/1992 | WO1992000695A1 Floor cleaning apparatus |
| 01/21/1992 | US5081734 Floor scraping machine |
| 01/21/1992 | CA2046810A1 Rotating disk for floor maintenance |
| 01/15/1992 | CN2092961U Electric mop washing whizzer |
| 01/15/1992 | CN2092960U Cleaning machine |
| 01/05/1992 | CA2020451A1 Foam type carpet cleaner |
| 01/02/1992 | EP0463035A1 A machine for treating floor surfaces. |
| 01/02/1992 | EP0269632B1 Cleaning vehicles |
| 01/01/1992 | CN2091641U Cleaning apparatus |
| 12/31/1991 | US5075921 Carpet cleaning apparatus |
| 12/31/1991 | US5075920 Dry vacuuming or wet cleaning |
| 12/26/1991 | WO1992000500A1 Apparatus for determining an area coverage rate |
| 12/26/1991 | WO1992000424A1 Apparatus and method for removing oil spots from a surface |
| 12/26/1991 | CA2071868A1 Apparatus for determining an area coverage rate |
| 12/24/1991 | US5074004 Swimming pool tile cleaning apparatus |
| 12/19/1991 | DE4018793A1 Tiled-floor-cleaning machine - has frame sloping upwards in cleaning direction supported by belt and travel rollers |
| 12/17/1991 | US5072475 Polishing pad cleaning apparatus |
| 12/05/1991 | DE4017366A1 Floor cleaning device for home or office - performs recycling of cleaning fluid using filter contained in cleaning fluid reservoir |
| 12/04/1991 | EP0459783A1 Vacuum cleaner |
| 11/26/1991 | US5067199 Suction device with a squeegee for eliminating dirty water while cleaning certain surfaces |
| 11/21/1991 | EP0457363A2 Cleaning vehicles |
| 11/21/1991 | DE4014085C1 Cleaner head for high pressure cleaning of hard surface - has fluid feed and off-take to carry dirt etc. and covered area for closed area against hard surface |
| 11/18/1991 | CA2017189A1 Floor care apparatus |
| 11/14/1991 | DE4014854A1 Removing oil and fat from concrete, cement or stone floor - or other porous surface by brushing on nutrient soln. contg. Pseudomonas Putidans and feeding compressed air |
| 11/13/1991 | EP0455751A1 Method of and means for treating a floor |
| 11/12/1991 | US5064010 Speed and steering control for scrubbers and the like |
| 11/12/1991 | US5063633 Fluid handling apparatus for bowling lane cleaning device |
| 11/06/1991 | CN2087937U Movable or fixed floor-scrubbing machine |
| 11/05/1991 | CA2035859A1 Carpet extractor with bucket caddy |
| 10/30/1991 | CN2087496U Cleaning and washing device for floor or carpet |
| 10/30/1991 | CN2087495U Cleaning device |
| 10/30/1991 | CN2087494U Multipurpose cleaning device |
| 10/29/1991 | US5060342 Cleaning head |
| 10/24/1991 | DE4031377A1 Explosive dust sweeping machine - hurls by rotary drum into trough with conveyor discharging into open hopper |
| 10/23/1991 | EP0453177A1 Unattended air cleaning system for surface maintenance machine |
| 10/23/1991 | EP0452980A2 Cleaning vehicles |
| 10/23/1991 | EP0452979A2 Cleaning vehicles |
| 10/23/1991 | CN1055495A Floor coating agent applying machine |
| 10/22/1991 | US5058229 Machine and drive disk for the repair and/or maintenance of floors |
| 10/16/1991 | CN2086584U 清洁器 Cleaner |
| 10/09/1991 | EP0450137A1 Floor coating agent applying machine |
| 10/08/1991 | US5054245 Combination of cleaning pads, cleaning pad mounting members and a base member for a rotary cleaning machine |
| 10/08/1991 | US5054158 Scrubbing machine/vacuum cleaner |
| 10/08/1991 | US5054150 Forklift mounted sweeping machine |
| 10/03/1991 | CA2039441A1 Industrial sweeper |
| 10/02/1991 | EP0448824A1 Washing machine for wide surfaces, in particular for industrial floorings |