Patents
Patents for E01H 1 - Removing undesirable matter from roads or like surfaces, with or without moistening of the surface (8,945)
01/1990
01/09/1990CA1264213A1 Snow-removing machine
12/1989
12/27/1989CN1038320A Street sweeper machine with trash pick-up and transport capabilities
12/20/1989EP0347142A1 Road-sweeping vehicle
12/20/1989EP0347067A1 Improvements in road sweeping vehicles
12/20/1989EP0347012A1 Aspirator for liquid and solid materials with the aspirated matter collector composed by connectable segments
12/14/1989DE3918745A1 Device for picking up and removing dog excrement
12/14/1989DE3818645A1 Working machine for removing weeds
12/12/1989US4885817 Air-dust separation system for a pneumatic road-cleaning vehicle
12/06/1989EP0230072B1 Apparatus and method for brushing
12/06/1989CN2048873U Dustless cleaning vehicle
12/05/1989US4884314 Portable blower
12/05/1989US4884313 Street sweeper machine with trash pick-up and transport capabilities
11/1989
11/30/1989DE3909418A1 Animal excrement container
11/23/1989EP0342504A1 Filtering and collecting device of solid and powder refuse for industrial and civil suction apparatus
11/16/1989DE3912972A1 Device for picking up and carrying away dog excrement and similar soiling matter
11/14/1989US4879820 Apparatus for removing water from the ground
11/08/1989EP0340845A1 Mobile dust-free grit-blasting plant
11/08/1989CN1037002A Mechanical garbage cleaner
10/1989
10/31/1989US4876784 Method for on-site maintenance of guardrails
10/25/1989CN2046509U Combined multi-purpose machine for icebreaking, snow removing and dust cleaning
10/24/1989US4875729 Apparatus for packaging waste material
10/18/1989EP0337048A1 Railway machine for vacuum cleaning a track superstructure
10/10/1989US4872233 Street sweeper with cool springs supported drag shoe
10/03/1989US4870714 Portable blower/vacuum system
09/1989
09/28/1989DE3809286A1 Device for the hygienic removal of dog excrement
09/27/1989EP0333849A1 Washing device mounted on a motor vehicle and comprising a rotary washing arm which delivers jets of pressurized hot water for cleaning various surfaces
09/26/1989US4868948 Vacuum refuse collector
09/21/1989WO1989008744A1 Refuse collector
09/19/1989US4866862 Auxiliary road wiper blade
09/19/1989CA1259460A1 Floor cleaning machine
09/12/1989US4865371 Apparatus for disposing of animal excrement
09/06/1989EP0331432A2 A suction cleaner
09/05/1989US4863108 Animal excrement dissolver
08/1989
08/23/1989EP0328942A1 Suction cylinder
08/23/1989CN2043250U Power-driven cleaning car
08/22/1989US4858270 Pavement-cleaning vehicle
08/15/1989US4856835 Tool for picking up litter
08/09/1989EP0327483A1 Suction device for an automotive urban sweeper
08/09/1989CN1034599A Street sweeper machine for trash collecting
08/08/1989US4854624 Device for picking up animal feces
08/01/1989CA1257953A1 Floor cleaning machine
07/1989
07/27/1989WO1989006722A1 Multipurpose device for cleaning and remote treatment of surfaces, articles and objects situated along the edges of roads
07/26/1989EP0219518B1 Street sweeping machine
07/13/1989WO1989006089A1 Disposable animal waste collector
07/11/1989US4845801 Vehicle for cleaning by liquid spraying and suction
06/1989
06/29/1989WO1989005886A1 Device for collecting refuse, in particular canine excrements
06/28/1989EP0321592A1 Hand-controlled sweeping apparatus
06/21/1989EP0320526A1 Hand-controlled sweeping apparatus
06/15/1989DE3740705A1 Mobile cleaning installation for removing excrement
06/07/1989EP0318854A1 Rotating cylindrical brush for a road maintenance vehicle
06/06/1989US4836594 Apparatus for hygienically collecting feces and method of manufacturing same
06/06/1989US4835811 Brushing and washing machine
05/1989
05/31/1989EP0318074A1 Device for cleaning runways
05/24/1989CN2038116U Clearing device of street sweeping vehicle
05/23/1989US4831684 Cleaning vehicles
05/18/1989WO1989004400A1 Roller-brush drive
05/18/1989WO1989004135A1 Portable blower
05/17/1989EP0315669A1 Cleaning vehicles.
05/16/1989US4830419 Disposable animal waste collector
05/09/1989US4828690 Hand tool for sifting debris from sand and soil
05/09/1989US4827637 Apparatus for clearing a surface of snow and dirt
05/09/1989US4827559 Vacuum system for pavement grooving machine
05/02/1989US4825495 Leaf loading machine with cooperating shroud and housing
04/1989
04/25/1989US4823423 Street sweeping apparatus
04/20/1989WO1989003456A1 Washing device mounted on a motor vehicle and comprising a rotary washing arm which delivers jets of pressurized hot water for cleaning various surfaces
04/18/1989US4822431 Concurrently solvent pretreating areas while removing preated areas using abrasion and chemical mixture simultaneously with a single machine
04/12/1989EP0310727A1 Small-sized vehicle for surface cleaning
04/11/1989US4819977 Objectionable waste material retrieval and bagging device
04/11/1989US4819676 Combination sweeping and scrubbing system and method
04/11/1989US4819290 Sweeping machine
04/05/1989EP0310374A2 Apparatus for removing water from the ground
04/04/1989US4817647 Applying absorbent mats and surfactant; flushing with water
04/04/1989US4817235 Pneumatic pavement cleaning apparatus
03/1989
03/30/1989DE3731249A1 Reversing roller for a self-propelled area clearance apparatus
03/28/1989CA1251608A1 Pickup truck mounted sweeper
03/22/1989EP0307527A1 Apparatus for the surface treatment of elongated structures
03/14/1989US4811442 Sweeping apparatus
03/07/1989US4809390 Pop-open disposable debris collector
03/07/1989US4809380 Leaf loading machine with counterrotating beater and broom
03/02/1989DE3727982A1 Restoring apparatus for surfacings
02/1989
02/28/1989US4807327 Dirt deflector for cleaning heads
02/23/1989WO1989001546A1 Combined scraping/sweeping machine
02/07/1989US4802983 Hopper loading directly insertable horizontally mounted cylindrical segmented bore pleated filter system for rotary broom sweepers
02/07/1989US4802258 Combination dustpan and guide means for filling trash containers and the like
02/02/1989DE3723509A1 Container
02/01/1989EP0301437A2 Control of torque in floor maintenance tools by drive motor load
01/1989
01/25/1989EP0300510A1 Method and apparatus for on-site maintenance of guardrails
01/24/1989US4799281 Device for sweeper units
01/17/1989CA1248717A1 Sweeper with fire control
01/17/1989CA1248716A1 Sweeper with speed control for brush and vacuum fan
01/11/1989CN2030622U Dust-removing road cleaning car
01/10/1989US4796808 Truck bumper mountable water sweeper
01/10/1989US4796327 Apparatus for picking up dog excrement
12/1988
12/20/1988CA1246810A1 Battery powered vacuum trash collector
12/15/1988WO1988009848A1 Cleaning vehicles
12/15/1988DE3717336A1 Implement for weeding the joints between path slabs
12/07/1988CN88203062U Combined cleaning bicycle
11/1988
11/29/1988US4787923 Pleated media and frame connected to vibrator for resilient isolation from support housing
11/23/1988EP0291844A2 A street sweeper machine with trash pick-up and transport capabilities
11/23/1988EP0291830A1 Waste disposal vehicle
1 ... 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90