| Patents for E01H 5 - Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice (6,266) |
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| 06/23/1992 | US5123187 Combined snow scoop and multipurpose handcart |
| 06/23/1992 | US5123186 Snowblower |
| 06/23/1992 | CA1303848C Ice scraping or the like tool, particularly for use in an ice or snow removing device |
| 06/16/1992 | US5121562 Framework for maintained levelness of a plow blade |
| 06/16/1992 | CA1303555C Lift system for front-mounted implement for lawn and garden tractors |
| 06/16/1992 | CA1303352C Plow mounting apparatus |
| 06/02/1992 | US5117530 Material clearing device |
| 05/22/1992 | CA2030452A1 Shovel |
| 05/19/1992 | CA1300878C Road grader and scarifier |
| 05/19/1992 | CA1300877C Snowplow and implement attachment means for a vehicle |
| 05/14/1992 | CA2054986A1 Snowplow mounting apparatus |
| 05/12/1992 | US5111603 Coupling for a snow plow |
| 05/05/1992 | US5109618 Snow-plow |
| 05/05/1992 | CA1299824C Means for cleaning a road, airfield or equivalent surface |
| 04/21/1992 | US5106165 Fragmentation apparatus |
| 04/15/1992 | CN1060325A Energy-saving electrothermal membrane snow melter and its making method and usage |
| 04/12/1992 | CA2027411A1 Auxiliary equipment attachment adapter |
| 04/07/1992 | US5101911 Rotor tiller having counter-rotating twin shafts |
| 04/07/1992 | US5101585 Digging implement |
| 04/07/1992 | CA1298466C Driveway snow plow |
| 04/02/1992 | CA2052398A1 Mechanical shovel |
| 03/10/1992 | US5094019 Vehicle positioning method for mounting plows, trailers and the like |
| 03/03/1992 | CA1296522C Grader blade with tiered inserts on leading edge |
| 03/03/1992 | CA1296521C Snow plow blocking unit |
| 02/25/1992 | US5090142 Snowblower and lawnmower apparatus |
| 02/20/1992 | WO1992002690A1 Machine or implement |
| 02/20/1992 | WO1992002689A1 Cleaning machine |
| 02/18/1992 | US5088215 Plastic moldboards for snowplows and the like |
| 02/06/1992 | DE4024477A1 Steerable trailer with working attachment - has both axles steered to track working attachment accurately behind front vehicle attachment |
| 02/04/1992 | US5084992 Snow tiller with compactor pan |
| 01/28/1992 | US5083387 Removable snowthrower chute |
| 01/23/1992 | DE4022390A1 Snow plough for attachment to lorry - has share behind which is motor-driven sweeping roller and catchment housing |
| 01/22/1992 | EP0467310A1 Snow plough |
| 01/22/1992 | CN2093861U Automatic range-regulating snow-removing machine |
| 01/21/1992 | US5082065 Quick attach implement coupler |
| 01/21/1992 | US5081775 Plow attaching device and method |
| 01/16/1992 | DE4105612A1 Snow-clearance accessory for rotary haymaker - comprises rubber blades thrust over tines to act as paddles for moving snow |
| 01/14/1992 | US5079866 Plow assembly with flexible moldboard |
| 01/14/1992 | US5079865 Snow removal apparatus |
| 01/08/1992 | CN2092559U Road ice crusher |
| 01/07/1992 | US5077920 Power broom assembly |
| 12/31/1991 | US5075988 Snowplow quick mount lift assembly |
| 12/31/1991 | US5075987 Removing apparatus for compressed snow and the like |
| 12/29/1991 | WO1992000421A1 Load bearing and/or snow removal device |
| 12/26/1991 | WO1991019858A1 Snow plough |
| 12/25/1991 | CN2091310U Snow-sweeping machine |
| 12/24/1991 | US5074373 Drive connection on a support vehicle |
| 12/24/1991 | US5074064 Snow shovel |
| 12/24/1991 | US5074045 Tool |
| 12/17/1991 | US5072531 Ground shoe for snow blowing vehicle |
| 12/11/1991 | CN2090392U Whip type road snow or ice dislodging machine |
| 12/11/1991 | CN1056914A Snow sweeper with vertical scraper combination |
| 11/28/1991 | WO1991017647A1 A hand implement, provided with an auxiliary handle |
| 11/27/1991 | CN2089313U Multi-function cleaning vehicle |
| 11/20/1991 | CN1056328A Snow scraper |
| 11/12/1991 | CA1291872C Snow plow with hinge mounted back scraping blade |
| 11/06/1991 | EP0455309A2 Scooping apparatus, vehicle and coupling plate therefore |
| 11/06/1991 | CN2088123U Snow-removing machine from the ponds in winter |
| 11/05/1991 | US5062736 Snow melting method utilizing heat retaining function of underground aquifer without sprinkling water |
| 10/29/1991 | USRE33726 Single stage snowthrower |
| 10/22/1991 | US5058295 Rear-mounted scraper |
| 10/15/1991 | US5056245 Snow remover |
| 10/13/1991 | CA2023065A1 Quick connect-disconnect coupling for snow plow |
| 10/08/1991 | US5054217 Hard insert for ice/snow clearing tool |
| 10/01/1991 | US5052135 Convertible grass cutting and snow blowing machine having a cylindrical rotor |
| 09/24/1991 | US5050322 Snowplow apparatus |
| 09/24/1991 | US5050321 Snow plow hitch pin assisting means |
| 09/17/1991 | US5048883 Snow shovel/scraper |
| 09/17/1991 | US5048207 Adjustable discharge wing plow |
| 09/17/1991 | US5048206 Combined snow shoveling device and cart |
| 09/16/1991 | CA2034923A1 Power broom assembly |
| 09/10/1991 | US5046271 Powered snow plow for attachment to rear of vehicle |
| 09/06/1991 | WO1991013539A1 Combination tool |
| 09/06/1991 | CA2077561A1 Combination tool |
| 09/03/1991 | US5044098 Implement interface |
| 08/21/1991 | CN2083160U Impact ice-breaking and snow-removing machine |
| 08/20/1991 | US5040615 Quick attaching power-take-off conversion unit |
| 08/20/1991 | US5040315 Ice scarifying attachment |
| 08/13/1991 | US5039151 Snow shovel |
| 08/06/1991 | US5036608 Snowplow quick mount lift assembly |
| 07/31/1991 | EP0438394A1 Snow-plough. |
| 07/31/1991 | CN2081853U Snow-removing lorry |
| 07/16/1991 | US5031927 Semi-automatic attach device for mounting snowplows |
| 07/16/1991 | US5031343 Mounting bracket for side wing plow |
| 07/04/1991 | DE3940887A1 Schneepflug Snowplow |
| 07/02/1991 | US5027536 Snowplow mounting apparatus |
| 06/27/1991 | WO1991009177A1 Snowplough |
| 06/25/1991 | US5025577 Adjustable one-way trip edge snow plow |
| 06/18/1991 | US5024553 Non-water-sprinkling type snow melting method and system |
| 06/13/1991 | DE3941021C1 Snow plough with deflectable plough share - has two guide faces, one of metal and another one of plastics |
| 06/12/1991 | CN1012831B Cleaning vehicle for cleaning ground surfaces provided with rigid surface |
| 06/04/1991 | US5020510 Method and apparatus for heating the ground, roads or the like |
| 06/04/1991 | US5020250 Powered snowplow |
| 05/29/1991 | CN2077879U Simple snow-removing machines |
| 05/28/1991 | US5018284 Snow plow for vehicles |
| 05/28/1991 | US5018282 Mechanical shovel |
| 05/27/1991 | CA2010379A1 Implement interface |
| 05/24/1991 | CA2030410A1 Cutter and method for detaching of snow and/or ice |
| 05/23/1991 | DE3937634A1 Snow plough with resilient mounting - has scraper blade attached to swivel by flexible connecting piece to avoid damage |
| 05/21/1991 | US5016366 Snow ridger |