| 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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| 11/10/1983 | WO1983003781A1 Method and device for injecting high pressure water for facility or the like on roadside |
| 11/08/1983 | US4413371 Blower attachment for portable power unit |
| 10/13/1983 | WO1983003436A1 Apparatus for picking up dog droppings |
| 09/13/1983 | CA1153563A1 Lawn sweeper |
| 09/07/1983 | EP0087936A2 Brush control means |
| 09/06/1983 | CA1153344A1 Method and conveyor for snow removal |
| 08/18/1983 | WO1983002789A1 A machine for removing surface water |
| 08/16/1983 | US4398759 Litter pick up device |
| 08/16/1983 | US4398551 Hydraulic surface cleaning apparatus |
| 08/10/1983 | EP0085122A1 Tool to fit to the self-moving tractor for cleaning the road edges |
| 08/09/1983 | US4397059 Vacuum cleaner attachment for rotary lawnmowers |
| 07/20/1983 | EP0083840A1 Suction nozzles for suction refuse collecting vehicles |
| 07/19/1983 | US4393537 Power broom with auger and vacuum debris conveyor |
| 07/12/1983 | US4392270 Surface cleaning apparatus |
| 06/28/1983 | US4390286 Plant composed of multi-functional apparatus for delivering substances for treating roadways or the land, and which can be self-loaded from the ground on to the platform of a transporter vehicle, and vice versa |
| 06/28/1983 | CA1148991A1 Support frame for detachably holding a bag type receptacle |
| 06/22/1983 | EP0081841A2 Push-coupling for working devices arranged in front of motor vehicles |
| 06/21/1983 | CA1148310A1 Motorcycle for cleaning the ground |
| 06/14/1983 | US4387998 Device for mixing and distributing a two-constituent product |
| 06/07/1983 | US4386873 Device for draining sandy ground areas |
| 05/17/1983 | US4383710 Pet litter retriever |
| 04/05/1983 | CA1143918A1 Street sweeper and main broom suspension |
| 03/29/1983 | US4377924 Portable device for treating surfaces |
| 03/22/1983 | US4377018 Cleaning device for surfaces |
| 03/22/1983 | US4377017 Scrubbing machine with water regeneration |
| 03/15/1983 | US4376358 Surface treating apparatus |
| 03/08/1983 | US4376007 Machine for preparing road surfaces and forming traffic regulating lines thereon |
| 02/23/1983 | EP0072711A1 Motorcycle for cleaning ground surfaces |
| 02/22/1983 | CA1141721A1 Vehicle |
| 02/22/1983 | CA1141550A1 Apparatus for the treatment of surfaces with particulate abrasive |
| 02/22/1983 | CA1141509A1 Cleaning machine |
| 02/16/1983 | EP0072039A2 Sweeping machine |
| 02/15/1983 | US4373227 Surface maintenance equipment |
| 02/09/1983 | EP0071291A2 Apparatus, loadable onto a vehicle, for optionnally distributing solid, liquid or solute road or soil treating substances |
| 01/18/1983 | US4368907 Apparatus for picking up animal waste |
| 01/18/1983 | US4368554 Road sweeping apparatus |
| 01/18/1983 | CA1139802A1 "sani-scoop" tool |
| 01/04/1983 | US4366594 Leaf master |
| 12/15/1982 | EP0067012A2 Collecting apparatus primarily for catching and elevating, for example, live birds in a deep litter or open house situation |
| 12/14/1982 | US4363151 Riding sweeper with high dump mechanism |
| 11/23/1982 | US4360229 Refuse collection device |
| 11/23/1982 | US4359801 Pick-up head for surface cleaning apparatus |
| 11/02/1982 | US4356589 Refuse collecting apparatus |
| 11/02/1982 | US4356584 Apparatus for removing water from large surface areas |
| 10/26/1982 | US4355435 Surface maintenance equipment |
| 10/19/1982 | CA1134078A1 Method of, products and devices for processing polluting materials such in particular as hydrocarbons cast up by the sea, waste sludges |
| 10/19/1982 | CA1133967A1 Implement for collecting pet manure |
| 10/05/1982 | CA1132767A1 Vacuum cleaner head |
| 09/22/1982 | EP0060387A2 Cleaning apparatus, particularly for motorway signs |
| 09/22/1982 | EP0060367A1 Motorcycle for cleaning ground surfaces |
| 09/21/1982 | CA1131859A1 Surface maintenance machine having air recirculation |
| 09/14/1982 | US4349224 Animal waste collecting and disposing apparatus |
| 08/31/1982 | CA1130556A1 Street clearing device |
| 08/10/1982 | US4343060 Hydraulic control system for a street sweeper |
| 07/27/1982 | US4341410 Supporting frame for detachably holding a bag type receptacle |
| 07/20/1982 | US4340176 All-purpose mobile scouring machine |
| 07/13/1982 | CA1127567A1 Method and device for stabilizing the texture of a plastic substance |
| 07/06/1982 | US4337784 Method for cleaning floor surfaces with high pressure water jets |
| 06/22/1982 | US4335482 Rotary brush mounting |
| 06/02/1982 | EP0053078A2 Method and apparatus for retrieving polluting matter freshly deposited on a beach |
| 05/11/1982 | US4329376 Coating animal feces with a polyurethane foam formed in situ |
| 05/11/1982 | US4328603 Street sweeping machine |
| 05/04/1982 | US4328014 Sweeper hopper with filter assembly |
| 05/04/1982 | US4327666 Vehicle with spray means |
| 05/04/1982 | US4327455 Surface cleaning machine with hopper dumping mechanism |
| 05/04/1982 | CA1122764A1 Surface sweeper with floating broom chamber |
| 04/06/1982 | US4323272 Excrement pickup device |
| 03/24/1982 | EP0047905A1 Sweeping machine adapted to be mounted on a supporting vehicle |
| 03/23/1982 | US4320556 Surface maintenance equipment |
| 03/23/1982 | US4320552 Street sweeping machine |
| 03/02/1982 | US4317246 Surface cleaning machine |
| 02/23/1982 | US4316627 Implement for collecting pet manure |
| 02/16/1982 | US4315700 Implement for applying sealant to asphalt pavement or the like |
| 02/10/1982 | EP0045542A1 Method of purifying soil polluted by oil or the like |
| 01/26/1982 | US4312531 Filling aid for plastic trash bags and the like |
| 01/19/1982 | US4310944 Surface maintenance machine having air recirculation |
| 01/05/1982 | US4308632 Gutter broom assembly for a street sweeping machine |
| 01/05/1982 | CA1115685A1 Street sweeper having an elevating hopper with supporting outriggers |
| 12/29/1981 | US4307523 Street clearing device |
| 12/22/1981 | US4306331 Vacuum cleaner attachment for rotary lawnmowers |
| 12/16/1981 | EP0041797A1 Surface treatment |
| 11/24/1981 | US4302040 Water jet cleaning device |
| 11/24/1981 | US4301568 Refuse collection devices |
| 11/18/1981 | EP0039694A1 Vehicle with a sweeper, particularly for collecting dust-like material, and utilization thereof. |
| 11/03/1981 | US4297760 Debris picker and bagger |
| 11/03/1981 | CA1111620A1 Method and device for removing solid and/or liquid means containing harmful substances |
| 10/20/1981 | US4295244 Scrubbing machine with water regeneration |
| 10/07/1981 | EP0037355A2 Pick-up and disposal device for rubbish, particularly for animal faeces |
| 09/29/1981 | CA1109613A1 Surface cleaning apparatus |
| 09/22/1981 | US4290820 Method and apparatus for collecting particulate material on a roadway |
| 09/15/1981 | US4288886 Air broom |
| 09/15/1981 | CA1109102A1 Pincer-like tool especially for collecting organic dejections of animals to enclose them in a container |
| 09/01/1981 | US4286816 Device for collection and disposal of pet waste |
| 07/21/1981 | US4279437 Refuse collecting tool |
| 07/08/1981 | EP0031610A2 Method and apparatus for removing oil from a shoreline |
| 07/01/1981 | EP0031112A1 Apparatus for dewatering surface soils |
| 06/16/1981 | US4273370 Device for collecting and removing dog droppings or the like |
| 06/09/1981 | US4272116 Apparatus and method of disposing of pet waste and the like |
| 06/09/1981 | US4271617 Method of removing snow from ground surface |
| 05/28/1981 | WO1981001362A1 Sweeper,particularly for collecting dust-like material,and utilization thereof |