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 |
| 8132282 | Mechanical sweeper The present invention generally pertains to a self-propelled mechanical sweeper. The mechanical sweeper comprises a pickup broom for lifting debris toward a first belt conveyor. The sweeper further comprises a second deployable conveyor assembly mounted on a turntab... | 03/13/2012 |
| 7882587 | Self-propelled vehicle for cleaning roads and the like There is disclosed a vehicle comprising: a chassis (1a) extending in a longitudinal direction (1b) and with lateral sides (1c) parallel to the longitudinal direction (1b); a storage apparatus (5) for a f... | 02/08/2011 |
| 7721374 | Debris/load leveling system A mechanized broom-type sweeper truck that includes a pavement engaging brush or broom and an elevator for transported debris to the inlet or entry opening of a debris container includes a slinging roller in the debris container mounted at or subjacent the inlet ope... | 05/25/2010 |
| 7322177 | Machine for gathering ground strewn articles A machine for removing articles strewn on a tract of ground generally consisting of a wheel unit; a support frame mounted on the wheel unit, having device for advancing the machine along the tract of ground; an endless conveyor mounted on the support frame, having d... | 01/29/2008 |
| 7199711 | Mobile floor cleaner data communication In a method of communicating data from a mobile floor cleaner to a remote receiver a data communication is initiated from a communicator of the mobile floor cleaner to the remote receiver and data is communicated to the remote receiver with the communicator. ... | 04/03/2007 |
| 7150062 | Combined single-twin street sweeping machine A surface cleaning vehicle is provided with hydraulically driven sweeping machinery. The vehicle comprises a truck chassis for carrying the sweeping machinery and a prime mover engine for propelling the vehicle. A second engine is connected to said chassis, and firs... | 12/19/2006 |
| 7124463 | Conveyor lip for motorized street sweeper A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis that is typically perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the b... | 10/24/2006 |
| 7086216 | Machine for gathering ground strewn articles A machine for removing articles strewn on a tract of ground generally consisting of a wheel unit; a support frame mounted on the wheel unit, having means for advancing the machine along the tract of ground; an endless conveyor mounted on the support frame, having me... | 08/08/2006 |
| 7051399 | Cleaner cartridge A cleaner cartridge includes a container having an interior cavity, in which cleaning agent can be stored. A first end of conduit is fluidically coupled to the interior cavity. A second end of the conduit is connectable to a chemical dispenser. ... | 05/30/2006 |
| 7024719 | Sweeper drag shoe A sweeper drag shoe used with a rotary broom in sweeping, whereby escaping debris from under a contact skid is recaptured. The sweeper drag shoe contains a deflection plate that redirects bristle tip movement inwardly to allow the broom to recapture debris which esc... | 04/11/2006 |
| 6966097 | Street sweeper with dust control Street sweeper having dust control from two or more cleaning heads with one air source where one fan provides vacuum for a centrally located rotating broom which is surrounded by a vacuumized chamber and for a gutter broom which is surrounded by a vacuumized chamber... | 11/22/2005 |
| 6959466 | Power management system for street sweeper A power management system for a surface maintenance machine, such as a street sweeper is disclosed. The system includes a variable speed engine for transporting the surface maintenance machine, a hydraulic pump powered by the engine, a vacuum fan motor powered by th... | 11/01/2005 |
| 6932286 | Combination drop and broadcast spreader A spreader for distributing a material on a surface. In certain embodiments, the spreader may include a disk rotatable about an axis and having an upper surface extending substantially radially from the axis. A driver may operably connect to the disk to provide rota... | 08/23/2005 |
| 6877180 | Street sweeper main broom cutoff flap A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis generally perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and... | 04/12/2005 |
| 6256827 | Utility type surface cleaning vehicle having improved gutter broom placement A utility type surface cleaning vehicle comprising a unitary frame utility type tractor defining a longitudinal axis and having left and right driven rear wheels and at least one steerable front wheel and a trailer connecting mechanism. A debris hopper is... | 07/10/2001 |
| 6192542 | Sweeper conveyor overflow and leakage recycling ramp A wheel supported sweeping machine includes a hopper which is movable between operating and non-operating positions and a conveyor which is adjacent the hopper and is similarly movable between a lower operating position and a raised non-operating position... | 02/27/2001 |
| 5940919 | Drag shoe for use in a street sweeping vehicle A street sweeping vehicle has a generally centrally disposed longitudinal axis, a sweeping brush disposed laterally across the longitudinal axis for sweeping debris forwardly into an elevator disposed forwardly of the sweeping brush and laterally across t... | 08/24/1999 |
| 5850656 | Highway debris entrainment and storage device A refuse collection device (1) including a collector roller (11) and an inclined conveyor (27) which deposits collected debris into a hopper (127) along arcuate paths (128, 129), thereby filling the hopper (127) initially in the region adjacent to its rea... | 12/22/1998 |
| 5784872 | Trash pick-up and collection system A trash pick-up and collection apparatus includes a rotary drum assembly with a plurality of spikes to impale and pick-up the trash along a path to be cleared. A continuous chain mechanism wrapped around the drum assembly lifts, strips and carries the tra... | 07/28/1998 |
| 5745947 | Automatic debris retrieval system A debris collection vehicle (1) having an offset cab (12) adjacent to a conveyor belt (61) which transports collected debris to a hopper (59). Rows of resilient fingers (51) are mounted on a collector drum (36), the conveyor (61) and on curb brushes (22, ... | 05/05/1998 |
| 5652992 | Rotary sand and debris cleaner A device for removing sand, solid particulate wastes and the like from a surface being cleaned, comprising spade-shaped members driven in a closed rotatory circuit cooperating with a brush in synchronized sweeping motion. In a first embodiment, a rotatory... | 08/05/1997 |
| 5596784 | Vehicle for collecting debris from a road A vehicle for collecting debris from a road includes an operator cab located at a front section of the vehicle, a boom assembly located at the front section, a paddle guide assembly located at the front section, and a collection bin located at a back sect... | 01/28/1997 |
| 5588230 | Apparatus for excavating soil using a plurality of independenity pivotable brushes An apparatus for removing soil and other debris from around buried objects. The apparatus comprises a movable frame which supports plurality of rotatable and independently mounted brushes which are used to gently sweep across the soil to remove soil and o... | 12/31/1996 |
| 5577286 | Highway debris entrainment and storage device A refuse collection device (1) including a collector roller (11) and an inclined conveyor (27) which deposits collected debris into a hopper (127) along arcuate paths (128, 129), thereby filling the hopper (127) initially in the region adjacent to its rea... | 11/26/1996 |
| 5369833 | Offset sidebar flight supporting chain Disclosed herein is a chain for use in a street sweeper in conveying dirt swept from the street along an inclined surface to a hopper for later disposal. Flights for conveying the dirt along the inclined surface are easily attached to the chain. The chain... | 12/06/1994 |
| 5361441 | Road-sweeping machine A road-sweeping machine designed to be towed behind a truck for removing road debris, including motor vehicle tires and tire fragments, includes a brush assembly that engages the roadway surface and sweeps debris from the roadway onto a first conveyor bel... | 11/08/1994 |
| 5329661 | Debris/litter collection apparatus having a conveyor which intermeshes with fingers of collector roller An apparatus for collecting litter from the ground includes a frame adapted for movement along the ground, a hopper mounted at one end of the frame; and a collector assembly supported on the frame. The collector assembly includes a pair of rollers having ... | 07/19/1994 |
| 5251652 | Street sweeper A vehicle having a collecting and hauling system for collecting and hauling refuse in a containment vessel to a predetermined location. In the illustrated embodiment, a street sweeper having a street sweeping system utilizes a vertically extendable mast f... | 10/12/1993 |
| 5247717 | Debris/litter collecting apparatus An apparatus for collecting litter from the ground includes a frame adapted for movement along the ground, a hopper mounted at one end of the frame; and a collector assembly supported on the frame. The collector assembly includes a pair of rollers having ... | 09/28/1993 |
| 5220965 | Vehicle for beach cleaning A vehicle for beach cleaning has a vehicle frame with at least one wheel axis disposed on it. Garbage is picked up from the beach by a vertically adjustable garbage pickup and delivered to a conveyor adjoining the garbage pickup and conveying the garbage ... | 06/22/1993 |
| 5197211 | Vehicle for beach cleaning The vehicle is intended as a self-propelled utility model for beach cleaning. It has a vehicle frame which comprises at least one front and rear axle. A garbage pickup is disposed therebetween. The vehicle is to be a multi-purpose vehicle. The vehicle fra... | 03/30/1993 |
| 5133413 | Beach cleaning apparatus An apparatus for picking litter off sandy beaches with minimal sifting of sand. A rotary drum, with unique rigid protrusions and non-rigid projections, is independently powered to roll in the opposite direction as the moving apparatus. The protrusions on ... | 07/28/1992 |
| 5060334 | Street sweeper A street sweeper utilizes a vertically extendable mast for elevating its hopper for dumping purposes. Additionally, air springs are provided to the wheel suspension system so that the air springs, when inflated, elevate the chassis and street sweeping sys... | 10/29/1991 |
| 5054152 | Mechanical street sweeper A self-propelled mechanical street sweeper comprising a production truck cab and chassis, the frame beams of which have been modified by removing rear portions thereof extending behind the rear axle. The sweeper comprises side brushes, a pick-up brush and... | 10/08/1991 |
| 4914773 | Cleaning apparatus An improved cleaning apparatus for use in cleaning the floor which comprises a first belt as a broom, a second as a mop and a trash containing corner whereby as the cleaning apparatus is pushed the wheels, the conveyor belt and wiping belt are driven so a... | 04/10/1990 |
| 4754521 | Street sweeper machine for trash collecting A machine with a frame supporting two side brushes downwardly, a center roller, and an auxiliary front brush movable on command in a crosswise direction to the frame, and upwardly a driver's cab, a trash container, a water tank and a trash conveyor. The w... | 07/05/1988 |
| 4620341 | Curb and gutter machine A new curb and gutter machine used in combination with a vehicle and characterized by its construction to include an adjustable cutter for trimming along the side of a roadway or curb, a sweeper for removing not only trimmed material but also other debris... | 11/04/1986 |
| 4608725 | Litter retrieving machine An apparatus for collecting litter from roadways and grounds includes a ground engageable rotating drum with easily removable and replaceable fingers which slip in and out of channels mounted on the drum. A spring finger assembly rotates against the drum ... | 09/02/1986 |
| 4593426 | Litter collection apparatus A litter collection apparatus includes a novel arrangement for mounting litter retrieving projections on a retrieving belt of the apparatus, an improved receptacle and mechanism for emptying the receptacle, a novel arrangement for adjustably positioning t... | 06/10/1986 |
| 4561240 | Apparatus for retrieving objects from the ground An apparatus for collecting flat or semiflat materials while simultaneously retrieving bottles and cans includes a ground engageable rotating drum (50) with a plurality of fingers (80) extending radially from the drum. A spring finger assembly (100) coope... | 12/31/1985 |