Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7765724 | Apparatus and methods for refurbishing ice surfaces An apparatus and method for resurfacing ice surfaces such as ice hockey playing surfaces wherein an ice shaving blade system and an ice scooping system operate over the entire width of (or the entire length of) the playing surface. ... | 08/03/2010 |
| 7757415 | Horizontal ice cuttings conveyor for ice resurfacing machines The horizontal conveyor of an ice re-surfacing machine implements auger flights in which successive half circles of the flight have slightly different radii. The successive contact of larger and smaller radius flights against ice building up in front of the horizont... | 07/20/2010 |
| 7698837 | Ice skating rink resurfacing apparatus An ice resurfacing machine for small and medium-size indoor and outdoor ice skating rinks comprises a light towing vehicle, a resurfacing attachment, and a lifting and leveling assembly connecting them. To eliminate ruts in the ice, the machine removes only a thin l... | 04/20/2010 |
| 7543400 | Inline classic skiing track glazing machine A machine towed by a snowmobile that forms parallel cross country snow skiing tracks and having a water container mounted thereon, which streams water through two water outlet ports by gravity and assist from the use of an air pump, powered by a storage battery to t... | 06/09/2009 |
| 7380355 | Portable ice rink building and resurfacing device A manually propelled ice rink building and resurfacing device. The device includes a chassis with removable wheels, a water tank mounted on the chassis, and a heating chamber within the water tank, the water tank receiving snow to be melted, the heating chamber in h... | 06/03/2008 |
| 7364240 | Resurfacing ice skating rinks An ice resurfacing machine for small and medium-size indoor and outdoor ice skating rinks comprises a light towing vehicle, a resurfacing attachment, and a lifting and leveling assembly connecting them. To eliminate ruts in the ice, the machine removes only a thin l... | 04/29/2008 |
| 7360327 | Material moving pusher/bucket A pusher/bucket has back plate with wings pivotably mounted at either end, and a drop blade pivotably mounted thereto. The drop blade can be secured in a raised position where it is superimposed over the back plate; when in the raised position, the wings can be posi... | 04/22/2008 |
| 7316458 | Ventilating wheel for snowmobile slide rail suspension system A ventilating wheel provides a plurality of angled vanes extending from a hub. The ventilating wheel secures to the slide rail of a snowmobile suspension system. An endless track extends over the underside of the slide rail. A Hyfax may secure to the slide rail inte... | 01/08/2008 |
| 7273111 | Grading implement A grading implement including main body having a left end, a right end and a length that extends between the left and right ends. The main body also includes a front side and a back side. A claw-blade is positioned at the front side of the main body. Side blades are... | 09/25/2007 |
| 7233853 | Multiple mode operational system for work vehicle braking A work vehicle includes a multiple mode operational system having a work system such as a linkage and associated hydraulic cylinders of a backhoe, a braking system and a multiple mode control system. The multiple mode control system includes a central controller, a ... | 06/19/2007 |
| 7228762 | Traveling gear for agricultural working machine A method of regulating a travelling speed of an agricultural machine includes providing a diesel engine to drive a variable displacement pump, the variable displacement pump connected by a hydraulic line to at least one hydraulic motor connected to a running gear so... | 06/12/2007 |
| 7188680 | Hydraulically adjustable hinged hitch An agricultural implement includes a pivoting assembly, a working assembly, and a tow bar assembly. The working assembly includes a front gang of coulters and a rear gang of coulters. The pivoting assembly includes a hydraulic cylinder. The hydraulic cylinder is adj... | 03/13/2007 |
| 7165758 | Snow-trail grooming vehicle having a cable winch thereon and a method for controlling the cable winch A snow-trail grooming vehicle has a driving chain or track system and a cable assist pulling system having a cable winch. A method for controlling the cable winch includes the steps of detecting the speed of the driving chain, detecting the speed of the cable, compa... | 01/23/2007 |
| 7107709 | Articulated scraper blade system An articulated scraper blade system mounted to a snow plow blade length installed in the front of a vehicle for snow scraping, which comprises a multitude of carbide sections moving independently when they strike an obstacle on a road surface. ... | 09/19/2006 |
| 7100314 | Plow blade float attachment A plow blade float attachment for preventing damage to a side deflector on a plow blade. The plow blade float attachment includes an arm member pivotally attached to a deflector member of a plow blade, a contact member attached to the arm member, a guide member atta... | 09/05/2006 |
| 7059071 | Self-propelled walk-behind snowplow vehicle A self-propelled walk-behind snowplow vehicle has a vehicle body and a vertical engine mounted on an upper part of the vehicle body. The vertical engine has a crankshaft disposed generally vertical and a cylinder head disposed generally horizontal to a longitudinal ... | 06/13/2006 |
| 7051461 | Walk-behind working machine A walk-behind working machine has a traveling unit, a working unit, an engine, and an illumination section disposed forwardly of the engine for projecting light. A cover member collectively covers the engine and the illumination section. The cover member has a light... | 05/30/2006 |
| 7010367 | Operator interface for a work machine An operator interface for a work machine having a machine display system and a mechanical linkage is disclosed. The interface includes an input device having a series of input mechanisms that are adapted to generate a linkage input signal to control the motion of th... | 03/07/2006 |
| 6977473 | Travel control method of electric vehicle In a travel control method for an electric vehicle, an accelerator angle is obtained from a position of an accelerator lever. An accelerator percentage is determined in accordance with the accelerator angle. The ON times of first and second brake buttons are read. B... | 12/20/2005 |
| 6951092 | Operator control system for self-propelled vehicles An operator control system for a self-propelled vehicle such as a lawn mower is provided wherein the control system includes two opposing and preferably upwardly extending and converging hand grips each having a corresponding drive control lever associated therewith... | 10/04/2005 |
| 6948569 | Snow auger assembly A device for removing material from a surface includes a blade, an auger positioned in close proximity to a front side of the blade and operably mounted on an axle for rotary motion relative to the blade whereby material accumulating at the front side of the blade d... | 09/27/2005 |
| 6931874 | Ice maker and a method of making ice An ice maker for creating a layer of ice on a cooled surface, is disclosed. The ice maker has a source of de-gassed water, which may be de-gassed by being heated. A pump to pressurize the de-gassed water is provided and the water is passed to a sprayer hydraulically... | 08/23/2005 |
| 6926092 | Hydraulic tiller assembly A tiller assembly includes a tine assembly that is rotatably connected to a tiller body and the tine assembly includes at least one tine for use in tilling associated soil. A hydraulic system is operatively connected to the tine assembly and includes a hydraulic pum... | 08/09/2005 |
| 6918448 | Grader A grader for attachment to a lift unit of a material handling vehicle and adapted to spread and smooth particulate material. The grader includes a first horizontally elongate beam adapted to engage, spread and smooth the material and a second horizontally elongate b... | 07/19/2005 |
| 6907951 | Snowmobile planetary drive system Disclosed is a snowmobile including reduction drive including a planetary gear system having a shaft with a sun gear, a plurality of planetary gears spaced around the sun gear and engaging a ring gear. A second shaft is driven by said planetary gears or ring gear. | 06/21/2005 |
| 6904708 | Snow removal system A snow removal system (100) for melting snow into water includes a container (110) having a storage chamber (124) adapted to store snow and a predetermined amount of water (114). The snow removal system also includes a heating assembly ( | 06/14/2005 |
| 6779823 | All-weather street and road maintenance vehicle A vehicle with a self-contained cooling and heating capability and a tenting feature for sheltering and controlling the temperature at a given location. Warm air is directed out of a heat chamber through a telescopic tube arrangement which may be horizontally piovot... | 08/24/2004 |
| 6776088 | Environmentally friendly personal identification and tracking system A personal identification and tracking system comprising an impression means for providing a predetermined image upon an impressionable medium and an activation unit for moving the impression means between a first position, where said impression unit is in contact w... | 08/17/2004 |
| 6748678 | Snow removal apparatus and method An apparatus and a method for removing snow, including a conveyor mounted at an angle with respect to a travel direction of the apparatus. The conveyor is rotatably mounted to a frame and can be driven to throw snow laterally with respect to a travel direction of th... | 06/15/2004 |
| 6698112 | Course-grooming vehicle with a rear tool carrier A course-grooming vehicle with a rear tool carrier, to which a course-grooming device can be detachably connected, where the height and/or the angle of the rear tool carrier and/or of the course-grooming device can be varied by means of at least one adjus... | 03/02/2004 |
| 6698111 | Snow trail grooming accessory and method The invention concerns a snow trail grooming accessory and method for use with an operating snowmobile to groom a snow trail during operation of the snowmobile. The accessory includes at least one mounting arm, the mounting arm being mountable directly to... | 03/02/2004 |
| 6516543 | Snow grooming apparatus and system A snow grooming apparatus and system for grooming snow barriers and elements. The apparatus has an inlet to accept the snow, and at least one smoothing member attached to the rear of the inlet. The smoothing members are dimensioned to pass over the snow f... | 02/11/2003 |
| 6499236 | Snow removing machine A snow removing machine has a vehicle body having a body frame, a snow removing section mounted on a front portion of the body frame for removing snow, an operating handle mounted to a rear portion of the body frame and having a first handle portion and a... | 12/31/2002 |
| 6477794 | Planing device mounted on machines for processing ice The invention relates to a planing device mounted on machines for processing ice. The inventive device is used in the area of the ice surface located close to the barrier and comprises a blade which is mounted with the carrier thereof on the lateral wall ... | 11/12/2002 |
| 6427364 | Arrangement for heating air supplied to a carburetor of a snow thrower engine A snow thrower engine carburetor is covered by a heater box provided with a channel through which air passes so as to be heated by the engine's muffler. The heated airstream is changed in direction as it leaves the heater box and moves towards the carbure... | 08/06/2002 |
| 6354023 | Snow groomers and control system therefor The invention relates to an improved snow grooming vehicle featuring a multifunction joystick adapted to selectively control a plurality of independent functions of various work implements installed on the snow grooming vehicle. More specifically, the mul... | 03/12/2002 |
| 6256910 | Snowplow blade extension device Snowplow blade extensions for two conventional snowplows to remove snow and/or ice in forward and rearward directions. One embodiment comprises a forward rectangular blade having a rear rectangular blade attached to its rear face at an acute angle by spac... | 07/10/2001 |
| 6202327 | Ice scraper having non-rotary tools with shielded cutting inserts A vehicle-mounted ice-scraping mechanism includes a tool carrier mounted on the vehicle, and a plurality of non-rotatable ice-scraping tools mounted on the tool carrier and depending downwardly therefrom. Each tool includes a shank mounted to the tool car... | 03/20/2001 |
| 6138387 | Portable ice resurfacing device A portable and ice resurfacing device including an integrally constructed body having a first upper reservoir capable of storing a volume of water. A water dispensing bar extends in a generally horizontal and lengthwise fashion and is mounted within an op... | 10/31/2000 |
| 6094845 | Snow-handling trail-grooming device This invention concerns a snow-handling trail-grooming device. The invention comprises a sled including at least one runner member, a sled front end, a sled back end and an open-ended longitudinal cavity therethrough open at opposed longitudinal ends ther... | 08/01/2000 |
