Patents
Patents for E01H 1 - Removing undesirable matter from roads or like surfaces, with or without moistening of the surface (8,945)
05/1981
05/27/1981EP0029347A1 Road sweeping apparatus and method of making a refuse collecting nozzle
05/26/1981US4269441 Trash bag holder
05/19/1981CA1101159A1 Four-wheeled sweeper
04/1981
04/28/1981US4263693 Vacuum cleaner head
04/21/1981CA1099765A1 Refuse collecting device
04/21/1981CA1099591A1 Mobile apparatus for receiving and conveying ferrous rail fastening elements
04/21/1981CA1099460A1 Sweeper with recirculation hood having an unobstructed pickup window
04/14/1981CA1099303A1 Spring suspended street sweeper having rear axle spring lockout
03/1981
03/24/1981US4257636 Bag and bag and scoop device combination
03/24/1981US4257635 Scoop device
03/17/1981US4256261 Highway striping method and apparatus
03/10/1981US4254979 Scoop device
03/10/1981CA1097135A1 Mobile apparatus for receiving and conveying ferrous rail fastening elements
03/03/1981US4253691 Pet litter remover and bagger
02/1981
02/24/1981US4252356 Bag for packaging animal's droppings
02/24/1981CA1096420A1 Sanitary pickup device for animal feces
02/17/1981US4251362 Method of, products and devices for processing polluting materials such in particular as hydrocarbons cast up by the sea, waste sludges
02/17/1981US4251097 Disposible scoop and container for cleaning up offensive material
02/04/1981EP0023339A1 Self collecting street sweeping vehicle
02/03/1981US4248468 Litter and refuse retrieval device
02/03/1981CA1094960A1 Compact dust filter system
01/1981
01/27/1981US4247139 Sanitary waste collector
01/27/1981US4246741 Implement for gathering hay, windrowed crops and other strewn material
01/07/1981EP0021784A1 Rotary brush mounting
01/07/1981EP0021584A1 Motorised vehicle for effecting a spraying operation
01/06/1981US4243259 Pet feces pick-up device
01/06/1981US4242794 Universal blower attachment unit
01/06/1981CA1092758A1 Sweeper hood with transverse air duct and broom compartments
12/1980
12/23/1980US4240656 Apparatus for retrieval and disposal of animal excrements
12/09/1980CA1091009A1 Boardbrush for ice-resurfacing machine
12/02/1980US4236756 Street sweeper having an elevating hopper with supporting outriggers
11/1980
11/04/1980US4231602 Refuse collection device
10/1980
10/28/1980US4230354 Pick up and disposal kit for pet ordure
10/07/1980US4226456 Container and container lid
09/1980
09/30/1980US4225429 Vehicle for cleaning railway roadbeds of magnetic articles
09/30/1980US4225174 Jaw-type refuse collecting device
09/30/1980US4225169 Pincer-like tool, especially for collecting organic dejections of animals to enclose them in a container
09/23/1980US4223419 Shoulder-supported pneumatic sweeping apparatus
09/16/1980US4222598 Container
09/16/1980US4222597 Refuse collecting device
09/16/1980US4222141 Street sweeper and main broom suspension
09/09/1980US4221415 Canine waste disposal apparatus
09/09/1980US4221018 Lawn sweeper
09/02/1980US4219901 Riding sweeper
08/1980
08/26/1980US4219155 High pressure water cleaning device for floors, gratings, and paint laden handling devices
08/19/1980US4217672 Debris picker and bagger
08/05/1980US4215888 Pick-up device
08/05/1980US4215887 Hand operated pickup device for deposited material
08/05/1980US4215886 Animal litter collector
07/1980
07/29/1980US4214338 Industrial sweeper
07/29/1980US4214336 Trash picking device
07/22/1980CA1082251A1 Disposable litter container
07/01/1980US4210351 Sanitary pickup device for animal feces
07/01/1980CA1080538A1 Tool suspension
06/1980
06/25/1980EP0012391A1 Street clearing device
06/24/1980CA1080257A1 Automated machinery to clean debris from roadside ditches, collect it, and then transport the debris to a major collection area for disposal
06/24/1980CA1079910A1 Refuse collecting vehicles
06/10/1980US4206530 Surface maintenance machine having air recirculation
06/03/1980US4205869 Apparatus for receiving and disposing of animal feces
05/1980
05/27/1980US4204293 Differential unit
05/13/1980CA1077208A1 Industrial floor or walk sweeper
05/06/1980US4201409 Portable pick-up device
05/06/1980US4200953 Surface sweeper with floating broom chamber
05/06/1980US4200952 Device for cleaning floors by means of a liquid
05/06/1980US4200950 Large area cleaning system
05/06/1980CA1076964A1 Actuator for self-propelled sweeper
04/1980
04/29/1980US4200321 Sanitation device
04/29/1980US4200319 Snap-closing container
04/22/1980CA1075915A1 Turf grooming vehicle with dischargable receiver
04/16/1980EP0009931A1 Mobile sweepers
04/08/1980US4196928 Material pickup device
04/01/1980CA1074830A1 Dog-feces retrieval apparatus
04/01/1980CA1074511A1 Sweeper assembly
03/1980
03/25/1980US4194978 Pollution control
03/25/1980US4194777 Dog waste scoop
03/25/1980US4194263 Scrubbing machine with water regeneration
03/18/1980US4193159 Mobile cleaning apparatus for removing debris from the surface of parking lots and the like
03/04/1980US4191414 Sanitary device
02/1980
02/12/1980US4188055 Disposable shovel tongs
02/05/1980US4186955 Waste matter removal implement and receptacle
02/05/1980CA1070912A1 Sweeper dust seal
01/1980
01/29/1980US4185355 Apparatus for cleaning up animal feces deposits
01/22/1980CA1070062A1 Rotary brush sweeper assembly
01/15/1980US4183570 Retractable trash spear
01/15/1980US4183116 Wet-dry vacuum sweeper
01/09/1980EP0006776A1 Process for the treatment of polluting material formed of oil slicks, sludge residues or waste waters
12/1979
12/25/1979US4179828 Multi-purpose labor saver hand tool
12/25/1979US4179770 Turf grooming vehicle with dischargeable receiver
12/18/1979US4179145 Sanitary dog litter bagger
12/18/1979US4178647 Four-wheeled sweeper
12/11/1979US4178237 Mobile apparatus for receiving and conveying ferrous rail fastening elements
12/11/1979US4178236 Mobile apparatus for receiving and conveying ferrous rail fastening elements
12/11/1979CA1067934A1 Refuse pick-up device
11/1979
11/06/1979US4173052 Riding sweeper
10/1979
10/30/1979CA1065364A1 Pick up apparatus
10/23/1979US4171551 Spring suspended street sweeper having rear axle spring lockout
10/23/1979CA1064750A1 Method and machine for forming traffic regulating lines on road surfaces
10/09/1979CA1064073A1 Device for removal of animal droppings
09/1979
09/25/1979US4168562 Surface-cleaning apparatus
08/1979
08/28/1979US4165895 Pickup device for dog droppings
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