| 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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| 03/04/1993 | DE4215447A1 Dust filter bag esp. for industrial suction cleaner - is bent into U=section with large-radius bends facilitating flow of air into lateral collection spaces |
| 03/04/1993 | DE4128413A1 Sample collection of dust to detect mites - uses collection bag separate from vacuum cleaner dust collection bag |
| 03/04/1993 | CA2116136A1 Interception and recovery device for centralized vacuum cleaning systems |
| 03/03/1993 | EP0530026A1 Vacuum cleaner headlight |
| 03/03/1993 | EP0529805A2 Suction cleaner |
| 03/03/1993 | EP0529394A1 Vacuum cleaner control collecting bag |
| 02/25/1993 | DE4140630C1 Vacuum cleaner nozzle with returned filtered air - has funnel shaped suction pipe enclosed by casing with annular space between them to which returned air is fed |
| 02/24/1993 | EP0528451A1 A vacuum cleaner |
| 02/23/1993 | US5187834 Vacuum cleaner apparatus |
| 02/23/1993 | US5187832 Convertible self-proprelled vacuum cleaner |
| 02/18/1993 | DE4138223C1 Vacuum cleaner with cleaning unit for filter - has separate filters closing through holes in parallel between dust collector and suction unit |
| 02/17/1993 | EP0527567A2 A method of controlling a controlled object, and a control system for such a method |
| 02/17/1993 | CN1069133A Method of controlling controlled object and control system for such method |
| 02/16/1993 | US5185903 Electric vacuum cleaner with an ozonizer |
| 02/16/1993 | CA1313578C Central vacuum cleaner with detachable filter assembly |
| 02/10/1993 | EP0526694A1 Active vacuum cleaner nozzle |
| 02/10/1993 | EP0526620A1 Vacuum belt drive train |
| 02/09/1993 | US5184372 Vacuum assisted squeegee attachment |
| 02/09/1993 | US5184371 Vacuum cleaner accessory |
| 02/03/1993 | EP0525411A1 Intermediate support for dust bag |
| 02/02/1993 | US5183982 Manually adjustable housing portions for actuating an electrical appliance switch |
| 02/02/1993 | US5182965 Adjustable length handle comprising automatically adjustable length mechanical power transmission |
| 02/02/1993 | US5182833 Vacuum cleaner |
| 01/27/1993 | EP0524364A1 Cleaning process and apparatus |
| 01/27/1993 | EP0524228A1 Suction cleaning systems |
| 01/26/1993 | US5181946 Crimped vacuum bag seal and method of making the same |
| 01/24/1993 | CA2050011A1 Remote control system for central vacuum cleaners |
| 01/20/1993 | EP0523891A1 Improvements in electrical arrangements in power tools and switches |
| 01/20/1993 | EP0523866A1 Lawn mower |
| 01/19/1993 | US5180407 Vacuum loader with vaned and short tangential separator |
| 01/19/1993 | US5179756 Magnetic pick up bar for vacuum cleaners |
| 01/14/1993 | DE4220592A1 Suction motor control for vacuum cleaner - has dust detector in suction opening giving electrical signals corresp. to amt. of sucked dust |
| 01/13/1993 | EP0522968A2 Thread eliminating device |
| 01/12/1993 | US5178655 Vacuum cleaning device |
| 01/07/1993 | WO1993000035A1 Cylinder-type vacuum cleaner |
| 01/07/1993 | DE4121759A1 Vacuum cleaner suction stream modification device - provides deliberate blocking of suction stream for increasing suction pressure when released |
| 01/07/1993 | DE4121256A1 Electric machining tool e.g. sander with dust collection - has supply cable lead fitted in clip attached to dust container |
| 12/30/1992 | EP0520534A1 Telescopic extension for a vacuum cleaner |
| 12/30/1992 | EP0520175A1 Active vacuum cleaner nozzle |
| 12/30/1992 | CN2126041U Conical plug-in underneath bag-changing device |
| 12/30/1992 | CA2072452A1 Lawn mower |
| 12/23/1992 | WO1992022868A1 Fuzzy microcontroller |
| 12/22/1992 | US5173646 Vacuum cleaner control circuit |
| 12/16/1992 | EP0380606B1 Battery-operated surface treatment apparatus having a booster function |
| 12/16/1992 | CN1067082A Device for cleaning particulate material |
| 12/15/1992 | US5171340 Vacuum filter unit |
| 12/09/1992 | CN2123977U Domestic miniature suction cleaner |
| 12/08/1992 | US5169420 Industrial dust collector |
| 12/08/1992 | US5168599 Wet and/or dry vacuum cleaning unit |
| 12/08/1992 | US5168598 Upright vacuum cleaner |
| 12/02/1992 | EP0515978A1 Nozzle for universal vacuum cleaner |
| 12/01/1992 | US5167719 Method for removal of sprayed-on asbestos |
| 12/01/1992 | US5167680 Vacuum cleaner bag assembly |
| 12/01/1992 | CA2049534F Hose cover |
| 11/28/1992 | CA2043296A1 Industrial vacuum cleaning apparatus |
| 11/24/1992 | US5166585 Motor control apparatus for an electric vacuum cleaner |
| 11/24/1992 | US5165140 Vacuum belt drive train |
| 11/21/1992 | WO1992020272A1 Device for cleaning synthetic grass playing surfaces |
| 11/19/1992 | EP0514209A1 Air-floated wheeled apparatus |
| 11/19/1992 | DE4116407A1 Electronic control circuit for vacuum cleaner motor - uses microprocessor reading required motor direction and approach of full dust-bag condition with optical coupler to motor |
| 11/19/1992 | DE4115970A1 Noise damping hood for vacuum cleaner suction unit - has recess around latter providing exit air channel |
| 11/17/1992 | US5163985 Movable industrial dust collector |
| 11/17/1992 | US5163202 Dust detector for vacuum cleaner |
| 11/03/1992 | US5160356 Vacuum cleaning apparatus |
| 11/03/1992 | US5159738 Vacuum cleaner having silencer mechanism |
| 11/03/1992 | CA1309572C Hose clip for flexible hose |
| 10/29/1992 | WO1992018045A1 Devices for vacuum cleaner |
| 10/28/1992 | EP0510597A1 Electric vacuum cleaner |
| 10/28/1992 | EP0510314A1 Dustbag |
| 10/28/1992 | EP0510309A1 Dust bag |
| 10/28/1992 | EP0510056A1 Vacuum cleaner. |
| 10/27/1992 | US5158635 Method for the manufacture of a connection member for filter bags |
| 10/27/1992 | US5158583 Installation for the remote cleaning by degradation of a surface in a hostile medium with waste recovery and treatment |
| 10/27/1992 | CA1309214C Portable blower |
| 10/25/1992 | CA2066995A1 Dust filter bag |
| 10/25/1992 | CA2066899A1 Dust filter bag |
| 10/22/1992 | DE4112634A1 Vacuum cleaner with coulisse-type hinge access lid - uses tray hinged below dust-bag access lid for storing ancillary components |
| 10/22/1992 | DE4112394A1 Plug-in vacuum cleaner head - uses inclined bristles with hooked ends and possible adjustment of angle of bristle incline |
| 10/21/1992 | EP0509970A1 A device for connecting an end of a corrugated tube inside a hollow terminal |
| 10/20/1992 | US5156520 Linkage system for loading machines |
| 10/20/1992 | US5155885 Vacuum cleaner and method for operating the same |
| 10/14/1992 | CN2118492U Multi-purpose suction cleaner |
| 10/13/1992 | US5154449 Extensible rod |
| 10/13/1992 | US5153965 Vacuum cleaner with disposable filter, hose and nozzle |
| 10/08/1992 | DE4111031A1 Compact dust collector useful for industrial cleaning or air filtering - has main filter, down-stream safety filter, pre-separator and dust outlet funnel |
| 10/07/1992 | CN2117849U Nozzle wiht rotating sweeping aid for duster |
| 10/07/1992 | CN1065001A Vacuum belt drive train |
| 10/07/1992 | CN1018520B Vacuum cleaner having silencer mechanism |
| 10/06/1992 | US5152028 Upright vacuum cleaner |
| 10/06/1992 | CA1308466C Microcomputer control system for a canister vacuum cleaner |
| 10/06/1992 | CA1308458C Self-guided moving unit and cleaning apparatus such as vacuum cleaner equipped with this unit |
| 10/06/1992 | CA1308367C Hose assembly for canister vaccum cleaner |
| 10/06/1992 | CA1308365C Vacuum cleaner bag with oscillating tube |
| 09/30/1992 | EP0506187A1 Apparatus at least comprising an electric motor with variable motor power |
| 09/29/1992 | US5150499 Static electric discharge for dust collector |
| 09/29/1992 | CA1308137C Wheeled hand cart for wet/dry utility vacuum cleaner |
| 09/23/1992 | EP0504443A1 Vacuum cleaner nozzle |
| 09/22/1992 | US5149160 Pipe structure |
| 09/22/1992 | US5148573 Apparatus for attaching a cleaning tool to a robotic manipulator |
| 09/22/1992 | US5148569 Debris impeller |