| Patents for E01H 1 - Removing undesirable matter from roads or like surfaces, with or without moistening of the surface (8,945) |
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| 11/22/1988 | US4785715 Hydraulic control means for a sweeping roller held by two cylinders in a sweeping machine |
| 11/15/1988 | CA1244610A1 Walk behind floor maintenance machine |
| 11/02/1988 | CN88101993A Cleaning vehicle for cleaning ground surfaces provided with a rigid surface |
| 11/02/1988 | CN87210902U Cleaning car |
| 11/01/1988 | CA1243838A1 Drying apparatus |
| 11/01/1988 | CA1243812A1 Hydraulically operated four wheel sweeper |
| 10/26/1988 | EP0288436A1 Apparatus for cleaning hard top ground surfaces |
| 10/25/1988 | US4779363 Apparatus adaptable on a pusher vehicle, for the removal and loading of objects such as refuse lying on the ground |
| 10/25/1988 | US4779303 Road sweeping vehicles |
| 10/11/1988 | US4776621 Device for collecting dog droppings |
| 10/11/1988 | CA1242852A1 Multi-purpose hand tool |
| 10/05/1988 | EP0285289A2 Improvements in Road Sweeping Vehicles |
| 10/05/1988 | EP0285144A2 Mobile device for extracting harmful liquids |
| 09/28/1988 | EP0284600A2 Brush element for cylindrical brushes |
| 09/27/1988 | US4773121 High speed pick-up head |
| 09/27/1988 | US4773119 Road sweeping vehicles |
| 09/20/1988 | US4771504 Leaf loading machine |
| 09/08/1988 | DE3812105A1 Combination device for garden and road |
| 09/08/1988 | DE3707093A1 Sweeping machine |
| 09/07/1988 | EP0281497A1 Sweeping apparatus |
| 09/07/1988 | EP0172845B1 A device for acting on and treating surfaces, for instance for picking up particles, leaves and litter |
| 09/06/1988 | US4768818 Disposable litter pick-up mitt |
| 09/06/1988 | CA1241509A1 Portable vacuum collector with rear dump |
| 08/31/1988 | CN88200869U Dust suction street cleaning vehicle |
| 08/24/1988 | EP0279729A1 Vehicle for cleaning by spraying and suction of a liquid |
| 08/23/1988 | US4765666 Animal waste collector |
| 08/17/1988 | CN87100644A Water fog dust-filtering type refuse sweeping truck system |
| 08/10/1988 | CN87212881U Foldable combined clean brush |
| 08/02/1988 | US4760657 Snow sweeping method and apparatus |
| 08/02/1988 | US4760619 Cleaning-device combination for cleaning oil-contaminated shore water and shore area |
| 07/19/1988 | US4757566 Control of torque in floor maintenance tools by drive motor load |
| 07/12/1988 | US4756727 Horizontally mounted cylindrical segmented bore pleated filter system for rotary broom sweepers |
| 07/12/1988 | US4756102 Resiliently mountable support structure with wear resistant contacting surface |
| 07/05/1988 | US4754521 Street sweeper machine for trash collecting |
| 06/30/1988 | DE3643861A1 Sweeping machine |
| 06/22/1988 | EP0272235A1 Device for sweeper units |
| 06/21/1988 | US4752093 Waste material disposal system |
| 06/16/1988 | DE3740215A1 Device for cleaning a road, a runway or the like |
| 06/16/1988 | DE3641634A1 Collecting machine, in particular sweeping machine, with exchangeable tools |
| 06/08/1988 | EP0269632A1 Cleaning vehicles. |
| 06/08/1988 | CN87205233U Absorbing-transmitting and filtering system for absorbing-sweeping type sweeper |
| 05/31/1988 | US4747633 Disposable scoop and container |
| 05/31/1988 | US4747174 Grooming attachment for reconditioning the playing surface of a tennis court |
| 05/31/1988 | CA1237257A1 Collecting unit for animal excrements on open road and vehicles equipped with such unit |
| 05/17/1988 | US4744380 Animal feces disposal apparatus |
| 05/11/1988 | DE3636657A1 Brush device, in particular for a stone-laying apparatus |
| 05/03/1988 | US4741566 Dog excrement cleaner |
| 05/03/1988 | US4741565 Disposal litter collector |
| 05/03/1988 | CA1235866A2 Sweeping apparatus |
| 05/03/1988 | CA1235865A1 Sweeping apparatus |
| 04/27/1988 | EP0265015A2 Debris pan for rotary brush sweeper |
| 04/13/1988 | EP0263790A2 Apparatus for hygienically picking up dog excrements |
| 04/05/1988 | CA1234659A1 Vehicle for use in street cleaning |
| 03/30/1988 | EP0261553A2 Apparatus for picking up dog excrements |
| 03/30/1988 | CN87106329A Apparatus for clearing and cleaning travelled surface of snow, slush, water, dirt and the like |
| 03/29/1988 | US4733432 Power brush, e.g. for vacuum cleaning apparatus |
| 03/23/1988 | EP0261097A2 Apparatus for removing snow, snow-mud, water, dirt or the like from traffic areas |
| 03/17/1988 | DE3735239A1 Combination drainage system |
| 03/17/1988 | DE3630967A1 Brush device, in particular for a stone-laying apparatus |
| 03/08/1988 | US4729141 Disc brush suspension for a floor maintenance machine |
| 03/03/1988 | DE3629746A1 Apparatus for sweeping surfaces |
| 02/09/1988 | CA1232418A2 Debris collection system for street sweepers |
| 01/20/1988 | EP0120078B1 Hopper support and dump mechanism |
| 01/12/1988 | US4718707 Disposable waste scooper |
| 01/06/1988 | CN87205777U Turbulence parting style gathering device of the sweeping machine |
| 01/05/1988 | US4716621 Floor and bounded surface sweeper machine |
| 12/29/1987 | US4715495 For animal litter |
| 12/26/1987 | CN87201120U Road cleaning and dust collecting vehicle |
| 12/05/1987 | CN86211100U General cleaner for airport runway |
| 12/02/1987 | CN87205752U Portable dual-purpose sweeping apparatus |
| 12/01/1987 | US4709440 Mobile clean-up device |
| 12/01/1987 | US4709436 Debris pan for rotary brush sweeper |
| 11/24/1987 | US4708723 Rotary broom sweeper hopper |
| 11/24/1987 | US4707879 Device for acting on and treating surfaces, for instance for picking up particles, leaves and litter |
| 11/24/1987 | CA1229457A1 Hopper support and dump mechanism |
| 11/11/1987 | CN86209344U Portable road dust collector with rollers |
| 11/10/1987 | US4705310 Waste collection device |
| 11/04/1987 | EP0243512A1 Automatically collecting street sweeper |
| 11/03/1987 | CA1228881A1 Animal feces pick-up device |
| 10/29/1987 | DE3612968A1 Suction sweeper |
| 10/28/1987 | EP0242943A2 Improvements in or relating to road sweeping vehicles |
| 10/21/1987 | EP0241694A1 Automatic tool force compensator for a surface maintenance machine |
| 10/08/1987 | DE3610964A1 Suction unit for taking up the fine material obtained during the tearing-up of in particular bituminous surfacing |
| 09/30/1987 | EP0239495A1 Industrial suction cleaner mounted in particular on a mobile chassis for sucking urban waste |
| 09/23/1987 | EP0238074A1 Pick up device for dog droppings |
| 09/15/1987 | US4693504 Pick-up device for lawn debris |
| 09/08/1987 | US4691402 Adjustable single lock gutter broom mechanism |
| 09/03/1987 | DE3606468A1 Method for removing animal excrement |
| 09/02/1987 | EP0234782A2 Improvements in road sweeping vehicles |
| 09/02/1987 | CN85204847U Propeilent type cleaning device |
| 09/01/1987 | CA1226109A1 Maintaining constant pick-up broom pattern |
| 08/20/1987 | DE3604997A1 Durable gripping device for dog droppings with fold-in gripping-edge angles |
| 08/20/1987 | DE3604053A1 Surface-cleaning machine |
| 08/13/1987 | DE3604052A1 Sweeping device |
| 08/11/1987 | US4685228 Snow-removing machine |
| 08/05/1987 | EP0230665A2 Combination sweeping and scrubbing system and method |
| 08/04/1987 | CA1224919A1 Motor grader broom |
| 07/29/1987 | EP0230072A2 Apparatus and method for brushing |
| 07/14/1987 | US4679338 Snow removal system with adjustable snow impeller gate |
| 07/14/1987 | US4679271 Automatic tool force compensator for a surface maintenance machine |