| 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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| 09/15/1981 | US4288932 Snow removal bar for the snow removal plate of a snow plow |
| 09/15/1981 | US4288931 Method and conveyor for snow removal |
| 08/11/1981 | US4282666 Method and apparatus for breaking hard snow |
| 08/04/1981 | CA1106167A1 Automatic locking mechanism for vehicular mounted snowplow |
| 07/28/1981 | US4280727 Injection molded snow shovel |
| 07/28/1981 | CA1105800A1 Overload relief valve |
| 07/21/1981 | US4279084 Snowplow blade lift mount assembly |
| 06/30/1981 | US4275514 Snowplow extensions |
| 06/23/1981 | US4274213 Scraper blade mounting assembly |
| 06/09/1981 | US4271617 Method of removing snow from ground surface |
| 05/19/1981 | US4268058 Coupler for snowplow |
| 05/12/1981 | US4266617 Tractor with full-floating tool bar |
| 05/05/1981 | US4265475 Snow handling apparatus |
| 04/28/1981 | US4264095 Adjustable snow shovel |
| 04/21/1981 | CA1099750A1 Snow-removing device |
| 04/16/1981 | WO1981001024A1 Device for removing snow |
| 04/14/1981 | US4261618 Device for breaking ice and compacted snow on road surfaces |
| 04/14/1981 | US4261116 Snow removal apparatus |
| 04/14/1981 | US4261115 Snowplow |
| 04/14/1981 | CA1099198A1 Safe operation control for a snowblower |
| 04/07/1981 | US4259794 Snowplow |
| 03/31/1981 | US4258485 Pedal plow |
| 03/31/1981 | US4258484 Implement position indicator |
| 03/17/1981 | US4255884 Apparatus for unattended conversion of a front end loader |
| 03/17/1981 | US4255881 Adjustment mechanism for chute deflector |
| 03/17/1981 | US4255880 Portable rotary snow thrower |
| 03/17/1981 | US4255879 Snow blower dead man control |
| 03/17/1981 | US4255878 Combination plough |
| 03/10/1981 | US4254564 Reversible snowplow attachment |
| 03/03/1981 | US4253257 Snow removal device and method of using it |
| 02/10/1981 | US4249323 Variable wing plow blade and mounting structure therefor |
| 02/10/1981 | US4249322 Snowplow |
| 02/10/1981 | CA1095541A1 Snow thrower with combined discharge vane support and strike-off wall |
| 02/03/1981 | US4248466 Snow scoop with wear strip along lip and method of attaching the wear strip in a blow molding process |
| 01/20/1981 | US4245411 Manual scoop type snow pusher/lifter |
| 01/13/1981 | US4244122 Modified power unit for snow plows |
| 01/13/1981 | CA1093298A1 Snow retaining gate for snow plow |
| 01/06/1981 | CA1093023A1 Snow scoop with wear strip along lip and method of attaching the wear strip in a blow molding process |
| 12/16/1980 | US4238895 Lift arm with improved chain connector |
| 12/09/1980 | US4237629 Apparatus for actuating the operation of a snowplow |
| 12/09/1980 | CA1091258A1 Vane adjusting mechanism for a powered snow thrower |
| 12/02/1980 | US4236329 Detachable blade mounting device |
| 11/18/1980 | CA1089884A1 Roadway snow excavator |
| 11/04/1980 | CA1088896A1 Locking device for snow shovels |
| 10/21/1980 | US4228818 Crossover relief valve |
| 10/07/1980 | US4226034 Vacuum snow remover for removing snow from roads and other snow covered surfaces |
| 09/30/1980 | US4224751 Snow lifting device |
| 09/30/1980 | CA1086495A1 Hinged snowplow |
| 09/30/1980 | CA1086494A1 Snow plow |
| 09/02/1980 | CA1084761A1 Snow removal device |
| 09/02/1980 | CA1084706A1 Snow plough accessory for a front end loader |
| 08/19/1980 | US4217708 Convertible snow removing and grass cutting device |
| 08/19/1980 | US4217707 Snow retaining gate for snow plow |
| 08/12/1980 | US4216833 Plow blade attachment |
| 08/07/1980 | WO1980001579A1 Attachment for a snow-plough |
| 08/05/1980 | US4215496 Vehicle bumper |
| 08/05/1980 | US4215494 Automatic locking mechanism for vehicular mounted snowplow |
| 07/29/1980 | US4214385 Apparatus for taking up and removing matter from a surface |
| 07/29/1980 | CA1082454A1 Retractable snowplow wing and mounting therefor |
| 07/01/1980 | CA1080538A1 Tool suspension |
| 06/25/1980 | EP0012391A1 Street clearing device |
| 06/24/1980 | US4208812 Snow plow attachment |
| 06/10/1980 | US4206602 Single lever hydraulic system control mechanism |
| 06/03/1980 | US4205825 Jack for snow plow frames |
| 06/03/1980 | US4205468 Remote control snow blower discharge chute deflector |
| 05/20/1980 | US4203237 Snowblower |
| 05/06/1980 | US4201000 Snow plow attachment |
| 05/06/1980 | CA1077069A1 Snow blowers |
| 04/22/1980 | US4199181 Snow shovel |
| 04/22/1980 | CA1076069A1 Undercarrier for snow shovel |
| 04/15/1980 | CA1075515A1 Road scarifier |
| 04/08/1980 | CA1075073A1 Snow shovel |
| 04/08/1980 | CA1074995A1 Apparatus for actuating the operation of a snowplow |
| 03/18/1980 | US4193626 Snow scoop |
| 03/18/1980 | CA1073667A1 Snow plow |
| 03/04/1980 | US4190973 Snow blower deflector shield |
| 03/04/1980 | US4190972 Snow remover |
| 02/26/1980 | CA1072350A1 Method and apparatus for breaking brittle matter |
| 02/19/1980 | US4188738 Endless screw propeller unit for a snow thrower |
| 02/12/1980 | US4187763 Overload relief valve |
| 02/12/1980 | US4187624 Snow plow |
| 02/05/1980 | US4186967 Ice removing machine |
| 02/05/1980 | CA1071154A1 Snow compactor |
| 01/29/1980 | US4185403 Snow removal and transport device |
| 01/23/1980 | EP0007000A1 Plow device |
| 01/22/1980 | US4184274 Ejection tube assembly for a snowblower |
| 01/08/1980 | CA1069547A1 Snowblower discharge guide and control arrangement therefor |
| 01/08/1980 | CA1069546A1 Endless screw propeller unit for a snow thrower |
| 12/25/1979 | US4179828 Multi-purpose labor saver hand tool |
| 12/11/1979 | CA1067693A1 Scraper blade mounting assembly |
| 11/20/1979 | US4174578 Tracked snowplow |
| 11/13/1979 | US4173835 Snow removal tool |
| 11/06/1979 | CA1065904A1 Ejection tube assembly for a snowblower |
| 09/04/1979 | US4166330 Hand snow plow |
| 08/21/1979 | US4164821 Snow plow blade attachment system |
| 08/21/1979 | US4164820 Snow remover and vacuum sweeper |
| 07/17/1979 | US4161073 Snow scoop |
| 07/03/1979 | US4159584 Push bumper |
| 06/26/1979 | US4158923 Roadway snow excavator |
| 05/08/1979 | US4153287 Shovel blade |