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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7607244 | Snow-plowing apparatus A snow-plowing apparatus provided with a snow-removing member detachably attached to an end of a holding rod of a hand-pushed mower, in which an engine and a wheel are attached to a frame, having a detachable rotation transmitting portion, to which a mowing blade is... | 10/27/2009 |
| 7278597 | Rotating cylindrical flailing vegetation cutter A rotating cylindrical flailing vegetation cutter, which includes a power rotated shaft having a cross-sectional profile. Disks are provided having a central aperture adapted to slide over the shaft and non-rotatably engage the cross-sectional profile. Each of the d... | 10/09/2007 |
| 7257909 | Convertible yard tool A convertible yard tool is disclosed having an implement connected for rotation within a housing, wherein the implement and housing are operated relative to a ground surface in either a snow throwing orientation or a sweeping orientation. When operated in the snow t... | 08/21/2007 |
| 6938364 | Two stage snowthrower with impeller housing bypass A two stage snowthrower includes snow removal components comprising a transversely extending auger housed within an auger housing. A generally cylindrical impeller housing is joined to a rear wall of the auger housing. A rotatable impeller within the impeller housin... | 09/06/2005 |
| 6931771 | Fold-down chute for snow blower A snow blower attachment for a skid steer loader has a tall discharge chute used for loading high vehicles such as trucks. The discharge chute is folded in the center, and has a strut to support it in its working position. The strut is releasable for folding the chu... | 08/23/2005 |
| 6834448 | Snow removal machine A snow removal machine of this invention has a machine body, a snow removing section mounted on the machine body for removing snow while the snow removal machine travels along a ground surface, and a running section mounted on the machine body for undergoing movemen... | 12/28/2004 |
| 6742290 | Snow removing machine A snow removing machine having an electromagnetic clutch mounted to an output shaft of an engine, and a drive pulley. The electromagnetic clutch is mounted to a proximal end of the output shaft to be remotely separate from the engine. As a result, heat generated in ... | 06/01/2004 |
| 6560905 | Device for removing snow and other debris from ground surfaces A snow removal or ground-surface cleaning apparatus that is pushed or pulled by a prime mover. The apparatus has a drum array that includes rows of triple-stepped blade-like fingers distributed evenly around a drum array. These fingers are stiffly flexibl... | 05/13/2003 |
| 6260293 | Device for removing snow and other debris from ground surfaces A snow removal device that picks up snow from the ground and flicks the snow into impeller units that transport the snow into a discharge tube whence the snow is expelled from the system. The system primarily includes a pick-up assembly, an impeller assem... | 07/17/2001 |
| 6247254 | Snow wings A pair of wing assemblies for attachment to a snow thrower or snow blower employing an impeller within a housing and having a forward opening therein to facilitate the feeding of snow to the impeller. The wing assemblies are pivotally attached to the side... | 06/19/2001 |
| 6170179 | Battery powered electric snow thrower A snow thrower (10) includes a rotatable wheel (12) for collecting the snow and a chute (14) for throwing the snow away from the snow thrower (10). The snow thrower (10) includes a motor (22) and a battery (24) connected thereto for providing power to the... | 01/09/2001 |
| 6035561 | Battery powered electric snow thrower A snow thrower (10) includes a rotatable wheel (12) for collecting the snow and a chute (14) for throwing the snow away from the snow thrower (10). The snow thrower (10) includes a motor (22) and a battery (24) connected thereto for providing power to the... | 03/14/2000 |
| 5953837 | Snow removal and disposal vehicle A cylindrical tank is situated on a bed of a vehicle. A tank opening is provided at a top of the tank. An agitator is provided within the tank. A heating unit such as an oil fired boiler, comprises a burner unit situated on the bed, and fire tube heating ... | 09/21/1999 |
| 5742967 | Utility vehicle sweeping device Sweeping devices for utility vehicles with a rotatingly driven bristle roller have been known, which are covered on the top side by a protective housing and in front of which a feed screw extending in parallel to the bristle roller is arranged, and the fe... | 04/28/1998 |
| 5410825 | Self-propelled snowthrower An improved snowthrower is disclosed having a body with a front housing containing a power driven auger continuously engaged with the ground for propelling the snowthrower forward, and a bottom scraper edge carried by a rear wall of the housing biased for... | 05/02/1995 |
| 5203102 | Device on rotary snow plough A rotary snow plough includes a ploughing drum, a running gear and a motor drive. A holding-down member is connected to the running gear and is arranged in front of the ploughing drum. The holding-down member includes upwardly directed holding-back surfac... | 04/20/1993 |
| 5174053 | Snow plow A snow thrower incorporating a device fixed relative to the auger housing around the auger shaft for generating a downward thrust on the auger shaft which opposes and balances the upward thrust caused on the auger shaft by the cooperation of the auger wit... | 12/29/1992 |
| 5090142 | Snowblower and lawnmower apparatus An attachment arranged for mounting to an associated lawnmower in an operative relationship to include a snowblower housing operative through a plurality of inter-related belts and pulleys to effect rotation of a plurality of impeller blades mounted withi... | 02/25/1992 |
| 5072531 | Ground shoe for snow blowing vehicle A pair of road-sliding skates for mounting onto a front-loaded, snowplow, automotive vehicle are provided, to prevent damage to the structural integrity of the vehicle when rolling on a high-crowned road, yet enabling unhampered snowblowing operation of t... | 12/17/1991 |
| 4986012 | Retractable drift cutter A motorized rotary blade snowblower is used for the removal of snow. This snowblower has a housing which covers the rotary blades and a drift cutting arm that is fastened to and extends p from the sides of the housing. The drift cutter is fastened to the ... | 01/22/1991 |
| 4829684 | Rotary snow plow with feeding mechanisms In a rotary snow plow, especially one with a high plowing capacity, with two driven feeding mechanisms (7), which are disposed on either side of the centrifugal wheel (2) and, in the direction of plowing (F), ahead of the centrifugal wheel housing (1), an... | 05/16/1989 |
| 4825970 | Power takeoff shaft arrangement for a road vehicle A power takeoff attachment for a conventional road vehicle includes a base member with a rod extending transvesely thereto and of a length so that the outer end thereof can be inserted into a pivot coupling for example provided by a V-shaped space between... | 05/02/1989 |
| 4763744 | Power takeoff shaft arrangement for a road vehicle A power takeoff attachment for a conventional road vehicle includes a plate member with a rod extending transversely thereto and of a length so that the outer end thereof can be inserted into a V-shaped space between the torsion bar bracket and the frame ... | 08/16/1988 |
| 4715134 | Rotary snow plough In a rotary snow plough having a feed plough arranged on a side of its housing (2) in order to increase the intake cross section, the accumulation of snow on the ploughshare (8) of the feed plough (4) is avoided by providing, in the ploughshare (8), a bel... | 12/29/1987 |
| 4619061 | Snowblower A snowblower includes an auger having individual flat spring steel blades mounted on plates carried by a shaft. The blades are connected to the plates by a pivot pin and a shear pin so that on encountering a solid object the shear pin allows the blade to ... | 10/28/1986 |
| 4597203 | Convertible snowblower using rectangular shroud interface A basic snowblower unit powered by an engine has a rectangular shroud housing a fan with a drive member associated with it. A considerable number of special units including lawnmower, vacuum-and-bagger, leaf picker, edger, rotary tiller, leaf blower, spra... | 07/01/1986 |
| 4404763 | Rotary snow plough A rotary snow plough vehicle having an auxiliary auger pivotable along a vertical plane perpendicular to the advancing direction of the vehicle. The auxiliary auger is rotatably secured about its axis by a supporting arm through bearings. Said supporting ... | 09/20/1983 |
| 4367603 | Snow caster having ring gear and spur gear drive means A snow caster for use as a snow blower is disclosed having auger units which rotate and propel snow toward a fan rotating at a higher speed to propel the snow from the snow caster. The fan is fixed on a drive shaft which extends within the auger units and... | 01/11/1983 |
| 4270339 | Variable width tool attachment for use with a vehicle A variable width tool attachment for use with a vehicle is herein described as generally comprising a complete tool which is split vertically and in the direction of vehicle travel to form two half tools. The two half tools are slidably mounted for mutual... | 06/02/1981 |
| 4261116 | Snow removal apparatus In a snow-removing device including a slinger-wheel, the slinger-wheel is preceded by a cutting and conveying mechanism consisting of individual cutting-ejecting segments angularly spaced apart. Cutting elements ensure that wet or hard-frozen snow is brok... | 04/14/1981 |
