Patents
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)
06/1990
06/19/1990US4934658 Locking mechanism for extendible telescoping tubular members
06/19/1990US4934019 Cleaner latch arrangement
06/14/1990WO1990006403A1 A linkage system for loading machines
06/14/1990WO1990006076A1 Vacuum cleaner with suction indicator
06/13/1990EP0373051A1 Liquid dispensing and suctioning system for surface cleaning
06/13/1990EP0372903A1 Vacuum cleaner with function to adjust sensitivity of dust sensor
06/07/1990DE3840831A1 Control device in a blower-dependent suction-extraction conduit
06/06/1990EP0371632A1 Vacuum cleaner with device for adjusting sensitivity of dust sensor
05/1990
05/30/1990EP0370981A1 Pressure control device for suction cleaner
05/30/1990EP0370610A1 Suction cleaner
05/29/1990US4928348 Method and apparatus for removing and collecting dust
05/29/1990US4928346 Hand-held vacuum cleaner with power brush
05/22/1990CA1269211A2 Vaccuum refuse collector
05/17/1990DE3900365C1 Vacuum cleaner nozzle for brush cleaning
05/16/1990EP0240539B1 Arrangement in a vacuum cleaner
05/16/1990CN2057095U Negative pressure sensor of dust catcher
05/15/1990US4925321 Dynamic pressure air bearing unit
05/15/1990US4924548 Portable vacuum cleaner
05/10/1990DE3916531C1 Telescopic vacuum cleaner suction pipe
05/09/1990EP0367276A1 Road sweeper with suction means
05/09/1990CN2056846U Electronic telecontroller for duster
05/08/1990US4924039 Cooled cord reel
05/08/1990US4923251 Apparatus for removing asbestos and like materials from a surface
05/03/1990WO1990004348A1 Front caster assembly for canister vacuum cleaner
05/02/1990EP0366295A1 Suction cleaner
05/02/1990EP0365797A1 Suction cleaner with a speed controllable fan motor
05/01/1990US4921510 Vacuum cleaner system
05/01/1990US4920607 Arrangement in a vacuum cleaner
05/01/1990US4920606 Electrical power circuit for a vacuum cleaner
05/01/1990US4920605 Electric cleaner
05/01/1990CA1268306A1 Mobile vacuum trash collector
04/1990
04/25/1990EP0365191A1 Suction cleaner
04/24/1990US4920456 Current supply arrangement for household appliances and method of making the same
04/17/1990US4917942 Nonwoven filter material
04/11/1990EP0362895A1 Electric cleaner and method for producing the same
04/11/1990EP0362894A2 Vacuum cleaner and method for operating the same
04/11/1990EP0362624A1 Filter bag for a vacuum cleaner
04/11/1990CN2055710U Dust catcher with water filter
04/10/1990US4915640 Central vacuum system apparatus
04/10/1990US4915245 Electrostatic-safe, air-powered, miniature vacuum generator
04/10/1990US4914777 Vacuum cleaner brush bearing assembly
04/05/1990WO1990003214A1 Vacuum cleaner filter bag assembly
04/05/1990WO1990003141A1 Vacuum cleaner with powered brush roll
04/05/1990WO1990003131A1 Vacuum cleaner brush bearing assembly
04/04/1990EP0362169A2 Suction cleaner
04/04/1990EP0361240A1 Dust bag for a suction cleaner
04/03/1990US4912805 Dual-purpose rotating brush for vacuum cleaner
03/1990
03/29/1990DE3831953A1 Vacuum cleaner attachment
03/27/1990US4912593 Electrical appliance
03/27/1990US4912587 Protective circuit for an electrically driven liquid vacuum cleaner
03/22/1990WO1990002510A1 Cleaning apparatus
03/20/1990US4908904 Portable cleaning container
03/14/1990EP0357708A1 Handling device
03/14/1990EP0357662A1 A method of and an installation for removing and transferring refuse.
03/14/1990CN2054299U Dust catcher with automatic dust-removing function
03/13/1990US4907316 Vacuum cleaner
03/08/1990DE3829569A1 Vacuum cleaner nozzle for vacuum cleaners with returned exhaust air
03/07/1990EP0197036B1 Means for cleaning filters in wet and dry vacuum cleaners
03/06/1990US4906265 Filter and installation means for dry material filter for electric vacuum cleaner
03/06/1990US4906259 Prefilter for vacuum cleaners
03/06/1990US4905343 Vacuum cleaner switch
03/06/1990US4905342 Portable vacuum cleaner
02/1990
02/27/1990US4904376 Metal catching cover
02/27/1990US4903369 Suction nozzle device for use in vacuum cleaner
02/27/1990CA1266157A1 Housing assembly for motor/fan means for a wet/dry vacuum cleaner
02/22/1990WO1990001288A1 Suction cleaning systems
02/21/1990CN2053084U Duster
02/20/1990US4901394 Floor nozzle for electric cleaner
02/20/1990CA1266076A1 Quiet by-pass vacuum motor
02/20/1990CA1265901A1 Cleaning vehicles
02/07/1990EP0353546A1 Suction cleaner nozzle
02/06/1990US4897894 Vacuum cleaner nozzle
02/01/1990DE3825773A1 Suction cleaning appliance
01/1990
01/25/1990WO1990000364A1 Floor cleaning device
01/24/1990EP0352114A2 Portable appliance cover
01/24/1990EP0351801A2 Floor nozzle for vacuum cleaner
01/23/1990US4895528 Universal high/low voltage hose-to-wall fitting for current-carrying flexible hose
01/23/1990US4894881 Wet/dry vacuum machine
01/23/1990CA1264510A1 Spring retainer for vacuum cleaner nozzle brush
01/17/1990EP0351224A2 Dual-purpose rotating brush for vacuum cleaner
01/17/1990EP0350746A1 Floor cleaning apparatus
01/17/1990CN1038753A Vacuum cleaner having silencer mechanism
01/16/1990US4894021 Vacuum cleaner hose construction, insert therefor and methods of making the same
01/16/1990US4894020 Vacuum cleaner hose construction and method of making the same
01/10/1990EP0350307A2 Cleaner
01/10/1990CN1038582A Filtering and collecting device of solid and powder refuse for industrial and civil suction apparatus
01/09/1990US4893037 Motor-driven cable reel assembly
01/09/1990CA1264212A2 Compact vacuum cleaner
01/02/1990CA1264189A1 Optical indication and operation monitoring unit for vacuum cleaners
01/02/1990CA1264104A1 Lightweight battery powered suction broom
12/1989
12/28/1989WO1989012493A1 Disposable dust bag for vacuum cleaners and the like
12/28/1989DE3820931A1 Method for electrostatic surface discharge and de-dusting of materials and device for implementing the method
12/27/1989CN2049917U Dust catcher with automatic dust-excluding function
12/26/1989US4888852 Vacuum cleaner suction head for picking up threads
12/26/1989US4888851 Brush mounting arrangement
12/26/1989US4888850 Vacuum cleaner nozzle arrangement
12/26/1989US4888849 Wheeled hand cart for wet/dry utility vacuum cleaner
12/21/1989DE3913085A1 Cleaning apparatus for an air filter insert
12/20/1989EP0347223A2 Dust detector for vacuum cleaner
12/20/1989EP0347012A1 Aspirator for liquid and solid materials with the aspirated matter collector composed by connectable segments