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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7493711 | Ride-on snow blower A ride-on snow blower is described that includes a cab for housing and protecting a rider of the snow blower from the elements, a seat, a door, cab windows, a front frame section, an adjustable snow chute operable for flexible snow disposal, a motor, a motor powered... | 02/24/2009 |
| 7320192 | Motorized grain scoop An apparatus for moving particulate matter includes a body having a drive mechanism that operatively connects a motor to a shaft of a paddle assembly. A drive housing is disposed on the body and houses the drive mechanism. A cavity having a first side, a second side... | 01/22/2008 |
| 7305778 | Self-propelled working machine A self-propelled working machine has a pair of transporting parts, a working part, an engine for driving at least the working part, and a main switch for turning the engine on and off. A locomotion preparation switch produces a command for moving the transporting pa... | 12/11/2007 |
| 7305777 | Auger for snow throw machine A snow throwing machine including a housing, an engine, an impeller and an auger for collecting snow and directing it to the impeller. The auger including an auger shaft disposed transversely in the housing and drivable by the engine, and a plurality of flytes mount... | 12/11/2007 |
| 7159377 | Powered appliance and accessory A powered appliance includes a working member, a handle operably coupled to the working member and a control movable between a first position proximate the handle in which movement of the working member is permitted and a second position distant the handle in which ... | 01/09/2007 |
| 7096608 | Overload prevention device for a snow removing machine An overload prevention device has a first rotational member for driving engagement with an input shaft of an auger transmission of a snow removing machine, a second rotational member engaging the first rotational member for rotation therewith over a predetermined to... | 08/29/2006 |
| 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 |
| 7013978 | System and method for separating fluids A system for separating fluids from a hydrocarbon well production fluid mixture at a subsea location has a centrifugal separator (16) for separating the mixture into gas and liquid. A hydrocyclone separator (32) then separates the liquid into oil and w... | 03/21/2006 |
| 6952893 | Chute retention device A discharge chute locking assembly for use on a discharge chute assembly of a snow throwing machine includes an outward extending receiving flange on a first component of the chute assembly and an outward extending chute mounting flange on a second component of the ... | 10/11/2005 |
| 6327798 | Snow shoveling machine A snow shoveling machine comprising an engine and an auger housing accommodating therein an auger paddle. The engine is actuated to thereby rotate the auger paddle. The auger housing includes an upper half and a lower half. The upper half is made from res... | 12/11/2001 |
| 6199306 | High efficiency snow thrower A high efficiency snow thrower relying on a cutting action to create snow chunks which are conveyed and discharged, using one or more cutter bar arrays arranged in the front opening of a housing and an auger member which also has a cutting edge on helical... | 03/13/2001 |
| 5966846 | Two-piece impeller An improved single stage snowthrower includes a housing with an open front portion, the housing including two side walls, a rear wall therebetween and a discharge chute. The rear wall includes deflecting ledges that angle upwardly toward the discharge chu... | 10/19/1999 |
| 5813152 | Snowblower chisel attachment A snowblower chisel attachment includes an oscillatable elongate blade member oscillatably disposed at a bottom front of a snowblower housing; a pair of support arms pivotally suspended from the sidewalls of the housing and being secured to the oscillatab... | 09/29/1998 |
| 5758436 | Single stage snowthrower An improved single stage snowthrower includes a housing with an open front portion, the housing including two side walls, a rear wall therebetween and a discharge chute. The rear wall includes deflecting ledges that angle upwardly toward the discharge chu... | 06/02/1998 |
| 5438770 | Snowblower An apparatus for improving the steering of a wheeled or track-driven machine, such as a snowblower, the apparatus having a levered wheel mounted to the frame of the snowblower and actuated using an idler wheel connected to the levered wheel via a cable an... | 08/08/1995 |
| 5398431 | Single stage snowthrower impeller A snowthrower (20) including an improved impeller (50) which has an "open center" configuration and which is substantially made from a single piece of plastic. Impeller (50) includes a pair of curved blades (60) which are supported, braced and stiffened b... | 03/21/1995 |
| 5398432 | Dynamically balanced screw with concealed loading weights An endless spiralling screw for a snowblower comprising a rotatable elongated shaft, to be power driven; a first, elongated, rigid sheet, integrally mounted to the shaft at a radially inward edge of the sheet and spiralling along the lengthwise axis of th... | 03/21/1995 |
| 5209003 | Snow blower augers and impellers An auger type snow blower assembly having an auger with two sets of rotating ribbon spokes which transfer snow from the auger to an impeller inlet located at the mid-portion of the auger assembly, the ribbon spokes terminating a substantial distance short... | 05/11/1993 |
| 5101585 | Digging implement A digging implement, for example, a snowthrower has a casing with a discharge from the casing and a coiled blade mounted in the casing on a lateral shaft. The blade is arranged for advancement sideways into a body of particulate material, e.g. snow. The b... | 04/07/1992 |
| 4651452 | Apparatus for snow removal A snow remover to be used in connection with a truck or other suitable vehicle. The apparatus comprises a snow container which moves on the ground scooping up snow like a snow shovel and is provided with at least one spiral conveyor and a discharge pipe. ... | 03/24/1987 |
| 4514917 | Self-propelled working vehicle A self-propelled working vehicle including an engine, a working implement and a running mechanism driven both by the engine, and a friction disc type main transmission for transmitting the driving power of the engine to the running mechanism. The working ... | 05/07/1985 |
| 4498253 | Snow removal A snowblower with a propeller drum seated on a free support axle that is disposed horizontally and perpendicular to the driving direction. The support axle is operated by a drive which is situated centrally within the drum. The snowblower also serves a la... | 02/12/1985 |
