Patents for A47L 1 - Cleaning windows (4,862)
04/1990
04/11/1990CN2055709U Cleaner for window
03/1990
03/27/1990US4910825 Liquid applicator attachment for a squeegee
03/20/1990US4908903 Device for cleaning a spherical dome
03/20/1990US4908900 Folding cleaning tool
03/14/1990CN2054298U Pocket cleaning unit
03/01/1990DE3903040A1 Method and device for the internal cleaning of insulating-glass panes
02/1990
02/28/1990CN2053497U Automatic window wiper
02/21/1990CN2053082U Electric cleaner for door and window
01/1990
01/31/1990EP0353107A1 Multiple purpose cleaning device, in particular for vehicle windows and similar objects
01/31/1990CN2051850U 窗刷 Window Brush
01/31/1990CN2051849U Cleaner for plane glass
01/23/1990CA1264513A1 Molded brush block with integral squeege
01/17/1990CN2051089U Cleaning appliance for window glass
01/16/1990US4893373 Manual wiper
01/16/1990US4893370 Hand tool for cleaning smooth surfaces, in particular panes of glass
01/10/1990CN2050735U Two-side glass cleaning device with falling-proof function
01/03/1990CN2050308U Adsorption hook with multiple suckers
12/1989
12/20/1989CN2049515U Magnetic glass wipe for tall building
12/20/1989CN2049488U Multifunction cleaning brush
12/19/1989US4887713 Window washer caddy
12/12/1989US4885815 Powered cleaning tools
11/1989
11/29/1989CN2048341U Cleaning machine for window glass
11/22/1989CN2047932U Hand glass washing apparatus
11/22/1989CN2047931U Glass cleaning device
11/16/1989WO1989010721A1 Improved device for cleaning surfaces
11/15/1989CN2047544U Multi-functional window-cleaning means
11/01/1989CN2046739U Automatic reciprocation cleaner for window glass
10/1989
10/18/1989CN2045985U Liquid-spraying electric wiper
10/04/1989CN2045257U Magneto-controlled two-side homologous type glass wiper
10/03/1989US4871275 Window washing device
10/03/1989US4870712 Ice/snow scraping system
08/1989
08/30/1989CN2043488U Magnetic window-cleaning tool
08/22/1989US4858267 Apparatus for wet cleaning in particular window panes
08/17/1989DE3803257A1 Jointed head for the handle of a cleaning implement
08/17/1989DE3803256A1 Hand implement for cleaning smooth surfaces, in particular glass panes
08/15/1989US4856929 Interior clamping device for tubular poles
07/1989
07/26/1989EP0325424A2 Aeroplane window polishing device
07/26/1989CN2041550U Window-wipping machine
07/18/1989US4847938 Cleaning apparatus, particularly for cleaning window panes
07/12/1989CN2040764U Glass wiper
07/05/1989CN2040360U Synchronous window cleaner
06/1989
06/28/1989CN2039956U 磁性刷 Magnetic Brush
06/28/1989CN2039955U Double-sided glass cleaner
06/28/1989CN2039954U Safety window cleaner with high efficiency
06/21/1989CN2039548U Device for cleaning both sides of window glass simultaneously
06/21/1989CN2039547U Duster for glass windows
06/15/1989WO1989005114A1 Disposable impregnated wipe for cleaning or maintaining hard surfaces
06/15/1989DE3840153A1 Method for cleaning a surface, which is exposed to the external atmosphere and is coated with metal oxide, of a pane of glass which is fitted in conjunction with a metal façade lining and/or a metal frame
06/07/1989CN2038768U Hand electric multifunctional waxing machine for cleaning window
05/1989
05/24/1989CN2037976U Multi-purpose glass wiper of polished surface
05/17/1989CN2037598U Window cleaning machine
05/10/1989CN2037211U Window-wipping unit for high buildings
05/10/1989CN2037210U Window-wipping unit for high buildings
05/03/1989EP0314357A2 An interior clamping device for tubular poles
05/02/1989US4825496 Cleaning apparatus
04/1989
04/19/1989CN2036022U Magnetic dual face cleaner for glass
03/1989
03/29/1989EP0309083A1 Cleaning tools
03/29/1989EP0309072A1 Cleaning apparatus
03/22/1989CN2034430U Cleaning device for window-panes
03/22/1989CN2034429U Electric cleaner for window
03/07/1989US4809386 Combined manual implement for window snow removal, ice scraping, washing and drying, for vehicles in general
03/07/1989US4809384 Horizontally moving automatic outer surface cleaning
03/01/1989CN2033245U Machine of cleaning glass with washing function and polishing function and two working heads
02/1989
02/28/1989US4807322 Automobile windshield cleaning tool
02/15/1989CN2032443U Convenient window cleaner
02/09/1989WO1989000828A1 Window-cleaning installation
02/08/1989EP0302343A1 Window-cleaning installation
02/08/1989EP0302200A2 Method and device for cleaning the inner surfaces of composite windows
02/08/1989EP0302142A2 Combined manual implement for window snow removal, ice scraping, washing and drying, for vehicles in general
02/08/1989CN2032040U Manual simple cleaner for window
02/01/1989CN2031652U Electric window wiper
01/1989
01/31/1989US4800607 Apparatus for cleaning windowpanes
01/26/1989DE3802402A1 Hand implement for cleaning smooth surfaces, in particular glass panes
01/24/1989CA1249109A1 Roughened cleaning sponge particularly for delicate surfaces, and manufacturing method therefor
01/17/1989US4797969 Building exterior cleaning apparatus
01/11/1989CN2030467U Cleaning device for cleaning both sides of window glass
01/04/1989CN2030065U Convenient cleaner for window
11/1988
11/30/1988EP0292709A2 Device for wet cleaning especially window glasses
11/29/1988US4787113 Hand-mounted squeegee
11/16/1988CN88201345U Electrical wiper
11/09/1988CN88211016U 电动擦窗器 Electric window cleaner
10/1988
10/26/1988EP0287598A1 Portable device for cleaning smooth surfaces, in particular window panes
10/19/1988EP0286692A1 Apparatus for cleaning plane surfaces
10/18/1988US4778301 Compact multi-function glass cleaning device
10/18/1988US4778298 Cleaning device having a spray nozzle
10/18/1988US4777694 Cleaning appliance
10/11/1988US4776716 Cleaning device with pivotable head
09/1988
09/28/1988EP0283811A1 Cleaning device, in particular for window panes
09/13/1988US4770712 Method and apparatus for scraping ice and snow and illuminating a scraping area
08/1988
08/31/1988CN87205797U Wiper able to wipe two sides of glass
08/24/1988CN86208734U Hidden-chamber door and window and automatic dust removing device for glass
08/18/1988DE3740610C1 Method for cleaning the surface, which is exposed to the external atmosphere and is coated with metal oxide, of a glass disc
08/03/1988CN87208567U Handy cleaner for window
07/1988
07/27/1988EP0275458A1 Use of wind and/or solar energy for cleaning surfaces, for example windows or solar collector surfaces
06/1988
06/16/1988WO1988004151A1 Use of wind and/or solar energy for cleaning surfaces or keeping same clean, for example windows or solar energy collector surfaces
06/15/1988EP0271454A2 Apparatus for the maintenance of facades of buildings particularly of facades having wide glass surfaces
06/07/1988US4748711 Ice/snow scraping system
06/01/1988CN87212224U Washer
06/01/1988CN87203417U Self-pressurized spray cleaner for window
05/1988
05/31/1988US4747175 Frost and ice scraper
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