| 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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| 05/05/1994 | DE4330512A1 Grab device with control - has pick-up of two frames and remote control, connected via plastics control section |
| 05/04/1994 | CN1086158A Moving-type dust collecting unit |
| 04/28/1994 | WO1994009212A1 Bag for collecting refuse material |
| 04/28/1994 | DE4235545A1 Automatic mobile collector for roadside rubbish - with slide rail and rotating brushes taking up glass items without damage. |
| 04/20/1994 | CN2162480Y Automatic clear machine |
| 04/19/1994 | US5303448 Hopper and filter chamber for direct forward throw sweeper |
| 04/14/1994 | WO1994007617A1 Device for picking up magnetic metal objects |
| 04/12/1994 | US5302210 Rapid deployment method for recovering oil from beaches |
| 04/07/1994 | DE4233597A1 Instantaneous sealing of street drains esp. gullies - comprises using container contg. 2 separately stored components sepd by e.g membrane which is ruptured to form expanded hardenable foam inside flexible box covering area to be sealed |
| 04/06/1994 | CN1084921A Multi-function negative pressure purifying iron pick up and water spraying toxic filtering machine (vehicle) |
| 04/06/1994 | CA2079865A1 Litter picking tool |
| 03/23/1994 | CN2159410Y Cleaning vehicle with sucking bag |
| 03/22/1994 | US5295721 Animal waste pick-up apparatus |
| 03/22/1994 | US5295277 Convertible sweeper |
| 03/16/1994 | EP0586977A1 Collecting box for waste material of road or lawn sweepers |
| 03/10/1994 | DE4330233A1 Pneumatic refuse collector and filter for road-sweeper |
| 03/09/1994 | EP0585276A1 Device for cleaning synthetic grass playing surfaces. |
| 03/03/1994 | WO1994004315A1 Mobile centrifugal blasting machine |
| 03/02/1994 | EP0584272A1 Oil spill recovery method and apparatus |
| 03/01/1994 | US5290080 Pooper scooper |
| 02/23/1994 | EP0584040A1 Apparatus for collecting dog droppings in a plastic bag |
| 02/23/1994 | CN2157219Y Enclosed sweeping snow scraper |
| 02/22/1994 | US5287684 Debris collection vehicle |
| 02/22/1994 | US5287586 Material collecting/removal apparatus |
| 02/17/1994 | WO1994003681A1 Glove, forming a bag when turned inside out, for picking up and removing the excrement of domestic animals |
| 02/10/1994 | DE4305648A1 Swivelling mechanism for front mounted snow plough or road sweeper - comprises articulated rectangular shaped framework fixed to back of plough and front of vehicle |
| 02/08/1994 | US5284211 Ground surface debris collection mat |
| 02/01/1994 | US5282660 Sealable container for sanitary collection of matter, particularly animal droppings |
| 02/01/1994 | US5282290 Mobile tunnel surface cleaning machine |
| 01/25/1994 | US5280978 Container device for the collection of waste |
| 01/25/1994 | US5280667 Collection devices |
| 01/25/1994 | US5280662 In combination with a roadway traveling web |
| 01/21/1994 | CA2074222A1 Pooper-scooper tongs |
| 01/19/1994 | CN2153577Y Road-sweeper |
| 01/18/1994 | US5279014 Vehicle-mounted broom |
| 01/12/1994 | EP0578442A1 Improved hopper and filter chamber for direct forward throw sweeper |
| 01/11/1994 | US5276940 Vacuum cleaner train for cleaning tracks, particularly for underground railway networks |
| 01/11/1994 | US5276933 In a sweeping machine |
| 01/05/1994 | EP0577288A2 No-tool brush changing means |
| 01/05/1994 | EP0577287A2 Floor maintenance machine with a damage resistant recirculation flap |
| 01/04/1994 | US5275470 Scraping device for powered stone floor dressing unit |
| 12/28/1993 | US5273329 For retrieving articles |
| 12/28/1993 | US5272858 Attachment for leaf blowers |
| 12/22/1993 | CN2150239Y Floor-cleaning vehicle for road separation fence |
| 12/16/1993 | DE4319729A1 Self-propelled sweeper mechanism - has multi-sectional articulated arm, with additional horizontal pivot axis for third brush |
| 12/15/1993 | CN1079520A Dynamic dust collector |
| 12/14/1993 | US5269575 Dog waste scoop and cooperating bag |
| 12/14/1993 | US5269082 Rotary sweeper attachment |
| 12/07/1993 | US5268106 Depositing an absorbent polymer web on water surface |
| 11/30/1993 | US5266220 Method for melting contaminated snow and washing solids held therein |
| 11/30/1993 | US5265887 Magnetic pickup tool |
| 11/24/1993 | CN2147263Y Hand cleaning cart |
| 11/17/1993 | CN2146513Y Disk-type brushing apparatus |
| 11/11/1993 | WO1993021759A1 A container device for the collection of waste |
| 10/28/1993 | DE4213724A1 Coupling device for attachment of snow plough to vehicle - uses hydraulically operated locking bolts with tapered engagement ends |
| 10/27/1993 | EP0566642A1 Sweeping appliance for excavators |
| 10/26/1993 | CA1323471C Street sweeper |
| 10/19/1993 | US5254146 Means for emptying a filter box |
| 10/14/1993 | WO1993020287A1 Rapid deployment system for recovering oil from beaches |
| 10/14/1993 | WO1993020285A1 Animal waste collection |
| 10/12/1993 | US5251652 Street sweeper |
| 10/06/1993 | EP0563801A1 Tank |
| 10/05/1993 | US5249332 Pavement sweeper |
| 09/30/1993 | DE4226680A1 Mobile Schleuderstrahlmaschine Mobile shot-blasting machine |
| 09/28/1993 | US5247717 Debris/litter collecting apparatus |
| 09/22/1993 | EP0561093A1 Apparatus for hygienically picking up and/or removing objects or pollutions from the ground, particularly but not exclusively animal excrement |
| 09/21/1993 | US5246650 Method of applying aggregate surface finish |
| 09/21/1993 | CA1322299C Mobile track bed cleaning machine and method |
| 09/14/1993 | US5244333 Pickup sweeper for roofing gravel |
| 09/09/1993 | DE4206796A1 Cleaning esp. oil residue from road surface - using intumescent binder based on hydrogel-forming polymer |
| 09/02/1993 | DE4304089A1 Machine for maintaining sandy surfaces - consists of frame parallel to ground, housing rows of brushes trailing from transverse holders |
| 09/01/1993 | EP0557720A1 Method and apparatus for removing a surface layer from an object |
| 09/01/1993 | EP0435978B1 Road-sweeping lorry |
| 09/01/1993 | EP0400025B1 Multipurpose device for cleaning and remote treatment of surfaces, articles and objects situated along the edges of roads |
| 08/31/1993 | US5239720 Mobile surface cleaning machine |
| 08/26/1993 | DE4205612A1 Slewing mechanism for front of street cleaning or snow plough machine - swings about vertical central axis |
| 08/25/1993 | EP0556921A1 Method and device for cleaning a road surface of very open asphalt concrete |
| 08/24/1993 | US5238154 Device for cleaning surfaces using chemical decontaminants |
| 08/18/1993 | EP0555932A2 A device for picking up material lying on the ground |
| 08/17/1993 | US5236237 Dog feces collection device |
| 08/04/1993 | EP0387283B1 Portable blower |
| 08/04/1993 | CA2085909A1 Mobile cleaning unit |
| 08/03/1993 | US5231827 Lawn and garden chipper shredder vacuum apparatus |
| 08/03/1993 | US5231725 In a self-propelled industrial cleaning machine |
| 07/22/1993 | WO1993014296A1 Equipment for clearing rock and other surfaces of stone and other material by means of water jets under high pressure |
| 07/20/1993 | US5228623 Airport runway cleaning method and apparatus |
| 07/08/1993 | WO1993013268A1 Multipurpose device for picking up droppings mainly in public places as well as for throwing them into containers |
| 07/06/1993 | US5224236 Machine for cleaning paved surfaces |
| 07/01/1993 | DE4143123A1 Street brushing and cleaning machine - has rotary brush with extractor mouthpiece suspended from vehicle chassis by link rods and pneumatic or hydraulic rams. |
| 06/30/1993 | EP0536118A4 Apparatus and method for removing oil spots from a surface |
| 06/29/1993 | US5222777 Apparatus and method for picking up and removing objects |
| 06/24/1993 | WO1993011913A1 Magnetic pickup tool |
| 06/17/1993 | DE4140926A1 Road sweeping machine with movable suction device - has carrier frame for suction mouth piece supported from vehicle chassis via guide rods providing wide pivot angle |
| 06/16/1993 | EP0546949A1 Vacuum cleaner for cleaning roads, in particular for the underground network |
| 06/16/1993 | CN2136270Y Automatic cleaning cart |
| 06/16/1993 | CN2136269Y United sanitary cleaning lorry |
| 06/15/1993 | US5218737 Detachable hopper and vacuum apparatus |
| 06/09/1993 | DE4137781C1 Cleaning device for soiled traffic surface - has cleaning fluid press container and collection container provided with palette base for handling by fork lift truck |
| 06/02/1993 | CN2135020Y Street sweeper |
| 05/27/1993 | DE4138568A1 Animal excrement disposal device with battery operated suction device - has suction device housed in shaft of walking stick above gripper mechanism with drive motor switch incorporated in handle |