| 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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| 05/15/1991 | CN2076992U Dual-purpose machine for snow-sweeping and dust abatedment |
| 05/14/1991 | US5014961 Snow plow stand |
| 05/14/1991 | US5014452 Plow mounting apparatus |
| 05/14/1991 | US5014451 Truck mounted snow plow support cap |
| 04/18/1991 | WO1991004691A1 Brush roller for a street sweeper |
| 04/03/1991 | EP0420414A2 Tool for breaking or scarifying surfaces |
| 04/02/1991 | CA1282437C Self-propelled snow removing machine |
| 03/19/1991 | US5000302 Power transmitting device for working machinery |
| 03/19/1991 | US4999935 Hydraulic system and apparatus for use with vehicle accessory units |
| 03/14/1991 | DE3928928A1 Snow plough with deicing fluid distribution - has row of height adjustable spray nozzles delivering deicing or melting fluid over whole vehicle width |
| 03/14/1991 | DE3928914A1 Snow clearer with plough and sweeper - has row of height-adjustable flat ended rotating brushes with vertical axes over entire vehicle width |
| 03/06/1991 | CN1011898B Snowremoval blower |
| 03/05/1991 | US4996834 Cleaning paddle |
| 03/05/1991 | US4996783 Accident prevention device for rotary snow-plow |
| 02/21/1991 | WO1991002121A1 Road-sweeping lorry |
| 02/21/1991 | DE3926801A1 Snow plough blade made of several sections - has each section equipped to revolve upwards from obstacles |
| 02/14/1991 | DE4018832A1 Snow plough attached to vehicle - has blade mounted on swivel mechanism on frame fixed to vehicle |
| 02/12/1991 | US4991324 Snow removal device |
| 02/12/1991 | US4991323 Combined snow plow winch device |
| 02/12/1991 | CA1280129C Auger for self-propelled snow removing machine |
| 02/05/1991 | US4989351 Snowthrower platform |
| 01/31/1991 | DE3924646A1 Kehrfahrzeug Sweeper |
| 01/23/1991 | CN2069882U Machine for breaking ice or removing snow |
| 01/22/1991 | US4986012 Snow removal apparatus |
| 01/02/1991 | CN2068525U Snow scraper board driven by car |
| 01/02/1991 | CN2068524U Snow-scraping apparatus for automobile |
| 12/20/1990 | DE4016379A1 Method of clearing snow - involves loading it into heated container where it is melted using different forms of heating including oil, gas or microwave |
| 12/11/1990 | US4976054 Snowplow leveling system |
| 12/11/1990 | US4976053 Auxiliary equipment attachment adapter |
| 11/27/1990 | CA1276784C Mechanism for detachably mounting a plow system to a land vehicle |
| 11/13/1990 | US4969280 Side wing assembly |
| 11/09/1990 | CA2014932A1 Convertible grass cutting and snow blowing machine having a cylindrical rotor |
| 11/08/1990 | DE3914423A1 Mounting snow plough on motor vehicle - involves set of parallel links and tension springs |
| 10/31/1990 | DE3914348A1 Method of drying or thawing open air surfaces - involves forward mounted mobile air mixer with heater and blower to blow warm air on to surface |
| 10/30/1990 | CA1275605C Snow removal apparatus |
| 10/25/1990 | DE4012280A1 Ice breaking and clearing machine for footpaths - can be raised or lowered or swung horizontally and vertically under hydraulic power |
| 10/24/1990 | CN2064372U Chain type crusher for ice-snow on pavement |
| 10/18/1990 | WO1990012154A1 Snow removal device |
| 10/18/1990 | WO1990012153A1 Vehicle-mounted device for applying an air blast to road surfaces |
| 10/16/1990 | US4962600 Wing assembly for use with a plow blade |
| 10/16/1990 | US4962599 Quick connect-disconnect coupling for snow plow |
| 10/16/1990 | US4962598 Apparatus for mounting implements on vehicles |
| 10/10/1990 | EP0391090A1 Drive connection for a vehicle with mounted implements |
| 10/04/1990 | CA2013705A1 Drive connection on a support vehicle |
| 09/27/1990 | DE3909120A1 Snow-clearing vehicle |
| 09/20/1990 | DE3911734A1 Road-maintenance vehicle implement suspension system - comprises adjustable coil springs to sides of ram between cross-members |
| 09/12/1990 | EP0386307A1 Snow Plow |
| 09/05/1990 | CN2061574U Frog-type icebreaking, shovelling and ramming machine |
| 08/28/1990 | US4951403 Single stage snowthrower |
| 08/21/1990 | CA1273029A1 Thrust assisted inclined conveyor system for transversely clearing a traveled surface |
| 08/14/1990 | US4948188 Snow shovel |
| 08/14/1990 | US4947563 Vehicle plow-suspension shock-absorber |
| 08/14/1990 | US4947562 Self-loading snow removal tool |
| 08/14/1990 | CA1272595A1 One-way plow |
| 07/31/1990 | US4944541 Two-handled shovel |
| 07/31/1990 | US4944104 Detachable snow plow assembly |
| 07/26/1990 | DE3930922A1 Squeegee for snow-plough - incorporates spring swivelling flap activated by cylinder and piston unit |
| 06/13/1990 | EP0372150A1 Guideshooter swiveling controller for snowplow |
| 06/05/1990 | CA1269878A1 Implement hitch linkage for front mount mowers |
| 05/17/1990 | WO1990005218A1 Vehicle-mounted scraper implement for snow clearing, grading or the like |
| 05/15/1990 | US4926026 Electrical de-icer device |
| 05/15/1990 | US4924610 Apparatus for roadway snow plow attachment |
| 05/10/1990 | DE3838002A1 Snow-clearing strip stop rail |
| 05/02/1990 | CN1041801A Ice and snow shovel |
| 05/01/1990 | US4920667 Snow removal device |
| 04/25/1990 | EP0365436A1 Reversible moldboard assembly |
| 04/17/1990 | US4916837 Single stage snowthrower |
| 04/11/1990 | EP0362837A2 Apparatus for the connection of a snow plow to a vehicle |
| 04/04/1990 | EP0361345A2 Apparatus for clearing snow from road edges and the like |
| 04/04/1990 | CN2055507U Soft lashing type icebreaking snow moving machine |
| 03/27/1990 | US4910893 Manually operated snow plow or other utility device |
| 03/21/1990 | CN2054806U Automotive snowsweeper |
| 03/20/1990 | US4908968 Snowthrower with resilient impeller |
| 03/13/1990 | US4907358 Snowblade assembly |
| 03/13/1990 | US4907357 Snow plow assembly adapted for mounting on a vehicle and method of using the same |
| 03/06/1990 | US4905387 Adjustable wheel for snow plow |
| 02/13/1990 | US4899472 Snow plow guards comprising pliant polymer |
| 02/13/1990 | US4899471 Auger for self-propelled snow removing machine |
| 02/07/1990 | EP0354021A2 Grit Spreaders |
| 02/06/1990 | US4897942 High efficiency snowthrower |
| 01/30/1990 | US4896915 Wind deflector plate for snow plow |
| 01/17/1990 | CN2051239U Simple snow sweeper |
| 01/09/1990 | CA1264213A1 Snow-removing machine |
| 01/04/1990 | DE3822264A1 Snow-clearing machine |
| 01/02/1990 | US4890400 Bucket attachment for tractor blade |
| 12/20/1989 | CN2049648U Mini ice breaking and snow cleaning machine |
| 12/19/1989 | US4887838 Wheeled carrier for a snow plow |
| 12/19/1989 | CA1263915A1 Dozer blade |
| 12/12/1989 | US4885852 Snow removal apparatus and method |
| 11/21/1989 | US4881332 Shovel lifting aid |
| 11/09/1989 | DE3814240A1 Clearing strip for the clearing blade of a snow plough |
| 11/08/1989 | EP0340692A1 Road surface drying apparatus |
| 11/07/1989 | US4878704 Convertible snow clearing apparatus |
| 10/25/1989 | CN2046509U Combined multi-purpose machine for icebreaking, snow removing and dust cleaning |
| 10/17/1989 | US4873775 Vehicular attachment system for a snowplow or the like |
| 09/26/1989 | US4869003 Auger snowblower |
| 09/26/1989 | CA1261670A1 Snow shovel/scraper |
| 09/26/1989 | CA1260964A1 Swing wheel snowthrower |
| 09/20/1989 | CN2044617U Ice and snow shovel for road surface |
| 09/19/1989 | US4866862 Auxiliary road wiper blade |