| 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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| 05/26/1993 | CN2134421Y Chinese parasol leaves gatherer |
| 05/26/1993 | CN2134420Y Cleaner |
| 05/25/1993 | CA2029695C Disk gang roadway conditioning tool |
| 05/18/1993 | US5211144 Portable hand-held blower unit |
| 05/13/1993 | WO1993009297A1 Refuse collecting apparatus |
| 05/13/1993 | DE4136517A1 Sweeping machine for sand strewn artificial lawn - consists of roller brush and collecting bin incorporating sieve for sifting and returning sand |
| 05/12/1993 | CN2132772Y Sanitary cleaning vehicle |
| 05/06/1993 | DE4135667A1 Cleaner to remove weeds from roads and paths - has rotating brush fastened to carrier via four bar linkage |
| 04/29/1993 | WO1993008126A1 Apparatus and method for melting snow and washing solids |
| 04/27/1993 | US5205122 Combination sand rake and shovel |
| 04/24/1993 | CA2054024A1 Method of filtering coarse and fine debris from an induced fluid stream and apparatus therefor |
| 04/21/1993 | EP0538238A1 Method and device for removing dust and dirt particles |
| 04/20/1993 | US5203598 Waste scooper apparatus |
| 04/14/1993 | EP0536118A1 Apparatus and method for removing oil spots from a surface. |
| 04/06/1993 | US5199996 Automatic vacuum cleaner comprising a body with supporting wheels, nozzle and hose capable extending from body, winder for winding, unwinding the hose and a motorized roller; efficiency, velocities |
| 04/06/1993 | US5199128 Method and apparatus for cleaning rubber deposits from airport runways and roadways |
| 04/01/1993 | WO1993006307A1 Device for collecting waste |
| 04/01/1993 | WO1993003597A3 Device for vehicles and machines |
| 03/31/1993 | CN2128948Y Runway cleaning automobile |
| 03/30/1993 | US5197820 Roadway conditioning apparatus |
| 03/30/1993 | US5197211 Vehicle for beach cleaning |
| 03/16/1993 | US5194077 Dual chamber filter assembly with shaker |
| 03/16/1993 | US5193870 Device for sanitary handling and disposal of pet droppings |
| 03/04/1993 | WO1993003597A2 Device for vehicles and machines |
| 03/04/1993 | DE4128988A1 Mobile road sweeping machine - has brushes and suction bell swivel mounted in front of front axle of machine |
| 03/04/1993 | DE4128879A1 Street cleaning by sweeper lorry with clearance control - predetermining air speed requirement and ratio of forward and rearward clearances from empirical dependences |
| 03/03/1993 | EP0417249B1 Vehicle-mounted device for applying an air blast to road surfaces |
| 02/25/1993 | DE4127530A1 Coupling and raising trailer implements - involves vertical triangular frame coupled by rod and shafts to articulated mechanisms on tractor |
| 02/23/1993 | US5187828 Tractor power broom apparatus |
| 02/18/1993 | DE4127108A1 Picking up and disposing of excrement - involves flat piece of material with spatulate end and tear=off pusher that forms container by folding |
| 02/16/1993 | US5186506 Device for picking-up and removing animal excrement |
| 02/16/1993 | US5186384 Collapsible receptacle for disposal of animal wastes |
| 02/16/1993 | US5185898 Bottle and can picker including rotatable flexible loops |
| 02/10/1993 | EP0526907A1 Process and apparatus for adjusting a preselected cleaning-width of a rotating cylindrical brush |
| 02/09/1993 | US5184917 Encapsulating sand or soil in cured cementitious material |
| 02/02/1993 | US5182830 Truck mounted pavement sweeping brush |
| 01/28/1993 | DE4135164A1 Method of re-facing traffic barriers - has plastics moulding fitted onto face of existing metal barrier |
| 01/28/1993 | DE4124682A1 Road sweeper and sweepings collector - has frame fitted onto tractor with sweepings lifted by suction pipe to rear mounted hopper |
| 01/27/1993 | EP0524364A1 Cleaning process and apparatus |
| 01/26/1993 | US5181294 Support and manipulation mechanism for leaf and debris collector |
| 01/21/1993 | WO1993001358A1 Rotary sweeper attachment |
| 01/21/1993 | DE4123620A1 Fork lift truck with floor cleaning attachment - comprising dust extraction unit whose suction nozzle opens onto floor just ahead of rear wheels and rotational sweeping unit. |
| 01/20/1993 | EP0523290A1 Manual collection apparatus |
| 01/13/1993 | CN1067863A Grains loader |
| 01/07/1993 | WO1992019814A3 Oil spill recovery method and apparatus |
| 01/06/1993 | CN1067695A Sweep drawing device |
| 12/30/1992 | EP0520750A1 Waste-material collection device |
| 12/29/1992 | US5174620 Manually operated animal waste collector |
| 12/29/1992 | US5174255 In an internal combustion engine |
| 12/29/1992 | US5173989 Surface sweeping machine with over-the-cab hopper dumping |
| 12/16/1992 | CN2124953U Hand-operated simple cleaner |
| 12/16/1992 | CN1067082A Device for cleaning particulate material |
| 12/10/1992 | WO1992021857A1 All-round dog faeces collecting system made up by a bag containing the device, the device used to collect faeces and an extra receptacle to be thrown away after use which is supposed to be inserted into the device in order to avoid dirtying the bag and the device |
| 12/10/1992 | WO1992021275A1 Sweeping unit |
| 12/10/1992 | DE4123836C1 Suspension system for road sweeping equipment - has cylinders connected to roller with pistons to control vertical motion |
| 12/08/1992 | US5169193 Magnetic pickup tool |
| 12/08/1992 | CA1311224C Washing device for automotive vehicle, having a rotary washing arm delivering pressure hot water jets to clear various surfaces |
| 12/03/1992 | DE4121592C1 Road sweeping machine - has suction head with shaft and flexible suction hose |
| 12/01/1992 | US5167377 Animal waste bag dispenser |
| 12/01/1992 | CA1310998C Litter picker |
| 11/26/1992 | DE4117164A1 Mobile cleansing machine for reception of light rubbish from surface to be cleaned - has two immediately adjacent cylindrical cleaning rollers counter rotatable about parallel axles to come simultaneously into contact with cleaning surface |
| 11/24/1992 | US5165139 Mobile cleaning unit |
| 11/21/1992 | WO1992020272A1 Device for cleaning synthetic grass playing surfaces |
| 11/17/1992 | US5163278 Lawn bagger |
| 11/11/1992 | CN2121478U Road surface cleaning vehicle |
| 11/10/1992 | US5161318 Power sweeping tool |
| 11/10/1992 | CA1309810C Sweeping process and means |
| 11/09/1992 | CA2102531A1 Oil spill recovery method and apparatus |
| 11/08/1992 | CA2041999A1 Angled tongs |
| 11/05/1992 | DE4118651C1 Bag-shaped dog excrement scoop - has longitudinal folds, extending towards wrist as extra protection |
| 11/04/1992 | EP0511290A1 Multiple-use vehicle for cleaning ground surfaces |
| 10/29/1992 | WO1992018698A1 Device for trimming road-edges |
| 10/28/1992 | EP0510472A1 Collector for animal excrement |
| 10/27/1992 | CA1309214C Portable blower |
| 10/22/1992 | DE4112938A1 Sanitary device for disposing of dog excrement from pavements - consists of half-round container with two rotatable quadrant scoops which are elevated to drop excrement into disposable bag |
| 10/22/1992 | DE4112382A1 Floor or road sweeper with brush roller or plate - has angled bristle ends, and self-cleaning guide plates, with adjustable positioned rollers |
| 10/21/1992 | EP0509165A1 Refuse collecting apparatus |
| 10/21/1992 | CN2119438U Traction transmission road-sweeper |
| 10/20/1992 | US5156427 Pet excrement snap scoop |
| 10/06/1992 | US5152569 Litter picking tool |
| 10/01/1992 | DE4109944A1 Road shoulder construction machine - has pivoted compression device for construction material, with height detector |
| 09/29/1992 | US5151005 Can collection apparatus |
| 09/22/1992 | US5149159 Disposable collector and container |
| 09/22/1992 | CA1307628C Leaf loading machine with counterrotating beater and broom |
| 09/10/1992 | DE4106997A1 Dog faeces collection device - has U-profile scoop, held pivoted on open container |
| 09/09/1992 | CN2115363U Multifunction household spinning machine |
| 09/08/1992 | US5145061 Safe-T-Sand |
| 09/03/1992 | DE4113698C1 Animal excrement collector with bag in telescopic tubes - has two=pat, shovel-shaped bag holder, positionally adjustable w.r.t. outer tube |
| 09/03/1992 | DE4106446A1 Implement for picking up and disposing dog excrement - is in form of pair of tongs with folded box like cardboard containers on end of each leg of tongs |
| 09/02/1992 | EP0501675A1 Improvements relating to collection devices |
| 09/01/1992 | US5142732 Bulk separator for industrial vacuum machine |
| 08/26/1992 | CA2061676A1 Collection devices |
| 08/18/1992 | US5138742 Power-assisted arm for mobile vacuum trash collector |
| 08/16/1992 | CA2038588A1 Self-adjusting broom cover |
| 08/13/1992 | DE4103537A1 Implement for soil cultivation - has compensating device for optimum positioning |
| 08/12/1992 | EP0471689A4 Ground surface debris collection mat |
| 08/11/1992 | US5137108 Vehicle engine mounting system |
| 07/29/1992 | CN2111309U Manpower clearing machine |
| 07/22/1992 | CN2110659U Dust absorption vehicle for road surface |
| 07/22/1992 | CN2110658U Sweeping machine for road |