Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 8065824 | Snow removing machine Snow removing machine includes an auger for removing accumulated snow, an accumulated snow height detection section for detecting a height of accumulated snow in front of the auger, an auger lifting and lowering section for lifting and lowering the auger, and a cont... | 11/29/2011 |
| 7730642 | Snow blower An engine of a snow blower is arranged with a crankshaft along a front to rear direction of the snow blower, and an output shaft, with an outer circumferential portion on which a drive pulley is fixed, is provided in a front end portion of the crankshaft. Further, a... | 06/08/2010 |
| 7349234 | Magnetic memory array A magnetic random access memory (MRAM) device disclosed herein includes an array of magnetic memory cells having magnetoresistive (MR) stacks. The MRAM array also includes a series of bit lines and word lines coupled to the MR stacks. The array layout provides for r... | 03/25/2008 |
| 7328758 | Self-propelled vehicle particularly for making turns with tight turning radii A self-propelled vehicle particularly for making turns with tight turning radii, comprising a chassis provided with two driving wheels forming at least one driving portion, and which supports a motor kinematically connected to a motion distribution shaft. A function... | 02/12/2008 |
| 7324883 | System and method to detect a failed shear bolt supporting a concave of an agricultural combine A system and method for detecting existence of a failed or broken shear bolt supporting all or a portion of a concave of a threshing system of an agricultural combine and utilizing information relating to rates of movement and absence of movement of a concave to det... | 01/29/2008 |
| 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 |
| 7299611 | Walk-behind cotton harvester The cotton harvester includes a cotton picker housing having at least one plant lifter defining a plant row channel extending back into the housing to a plant compressor sheet. A picker rotor is mounted in the cotton picker housing adjacent to the plant row channel ... | 11/27/2007 |
| 7159343 | Working machine A working machine has a transmission case having a transmission mechanism accommodated therein. The transmission mechanism has an input shaft having a first longitudinal axis and an output shaft having a second longitudinal axis extending in a direction generally pe... | 01/09/2007 |
| 7108089 | Walk-behind self-propelled working machine A walk-behind self-propelled working machine includes an engine disposed with a crankshaft extending vertically in a downward direction and a cylinder disposed horizontally, and a generator having a drive shaft disposed vertically downward. The drive shaft of the ge... | 09/19/2006 |
| 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 |
| 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 |
| 6922921 | Snow removal machine An auger device of a snow removal machine in this invention has left and right augers and left and right driving tines mounted on left and right auger shafts, respectively. Each auger has an outer auger blade, an intermediate auger blade and an inner auger blade eac... | 08/02/2005 |
| 6705028 | Self-propelled snowplow vehicle A self-propelled snowplow vehicle includes a vehicle frame equipped with an auger at a front end portion thereof and pivotally connected to a propelling frame equipped with driving wheels, and a frame lift mechanism for lifting the front end portion of the vehicle f... | 03/16/2004 |
| 6688022 | Walk behind self-propelled crawler snowplow A walk behind self-propelled crawler snowplow includes a snowplow mechanism driven by an engine via a belt drive power transmission mechanism, and an overload protection device associated with the belt drive power transmission mechanism for protecting the... | 02/10/2004 |
| 6662477 | Snowblower controls A control platform for directing the operation of a snowblower is provided. The platform includes a bail which is pivotably moveable within the platform. Attached to and moveable with the bail are levers for controlling the engagement or disengagement of ... | 12/16/2003 |
| 6578292 | Snowblower controls A control platform for directing the operation of a snowblower is provided. The platform includes a bail which is pivotably moveable within the platform. Attached to and moveable with the bail are levers for controlling the engagement or disengagement of ... | 06/17/2003 |
| 6556143 | Broken shear pin indicating system The invention relates to a system and method for indicating a broken shear pin on a snow blower head cutter drum in a rotary snow blower. At least one shear pin connects the snow blower head cutter drum to a drive shaft on the snow blower. The indicator s... | 04/29/2003 |
| 6550161 | Walk behind self-propelled crawler snowplow A walk behind self-propelled crawler has a travel ready lever mounted to one of the left and right handlebars and adapted to be gripped by a human operator to place the electric motors in an operative condition, and a clutch control pushbutton switch disp... | 04/22/2003 |
| 6470603 | Walk behind self-propelled crawler snowplow A walk behind self-propelled crawler snowplow includes a snowplow mechanism driven by an engine via a belt drive power transmission mechanism, and an overload protection device associated with the belt drive power transmission mechanism for protecting the... | 10/29/2002 |
| 6363630 | Four wheel drive snow blower A snow thrower is provided a pair of wheels on each side. The snow thrower includes two laterally spaced wheel drive assemblies for independently supplying power from the engine to each pair of wheels. Each wheel drive assembly includes a drive sprocket, ... | 04/02/2002 |
| 6327799 | Snow-removing machine In a snow-removing machine, an expandable and contractible regulating mechanism is coupled between a steering handlebar of a machine body including a snow-removing section and a drive section capable of being turned relative to the machine body about a wh... | 12/11/2001 |
| 6318003 | Snow thrower A snow thrower of compact proportions is obtained by a single piece housing which supports an engine having a vertical output shaft extending within the housing. The housing also supports a horizontally disposed auger drive shaft. A belt drive connects th... | 11/20/2001 |
| 6154985 | Retractable pivoting scraper blade for snow blower A device is disclosed, for use with a snow blower being of the type having an auger, and allow it to operate while moving backwards. The device principally consists of a concave blade mounted on a snow blower, which pivots between an operative position wh... | 12/05/2000 |
| 5893224 | Cutting arrangement for a snow blower A snow blower is provided with cutting devices which are housed within, but project beyond, a housing provided for the blower's auger. As the cutting devices engage snow during the blower's advance, the cutting devices move in a direction which tends to u... | 04/13/1999 |
| 5784756 | Debris cleaner with compound auger and vacuum pickup A debris cleaning device is equipped with a compound auger which has a rigid inner auger portion with auger fighting and a plurality of compliant combing attachments connected to the edge of the fighting. Instead of the compound auger, a helical rotary br... | 07/28/1998 |
| 5735064 | Operational control mechanism A handle slide control for a push implement that includes a cable running in a tubular handle. The tubular handle includes a slot and a knob slideably engaged in the slot. The cable, running generally in a loop, is fixed at a proximal end portion to an in... | 04/07/1998 |
| 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 |
| 5123186 | Snowblower A snowblower arrangement having a scraper mechanism affixed to the ends of the auger for scraping snow and precluding its accumulation on the sidewalls of the auger housing.... | 06/23/1992 |
| 5020250 | Powered snowplow A powered snowplow includes a snowplow body housing which houses at least a power source, a self-propelling mechanism supporting the snowplow body and drivable by the power source for propelling the snowplow, an auger mechanism mounted on a front portion ... | 06/04/1991 |
| 4805323 | Snow removal device for vehicle A snow removal device for a vehicle comprises an elongated casing provided adjacent to and extending along a lower edge section of a window glass and having a snow guide channel therethrough, a snow intake port facing the lower edge section and a pair of ... | 02/21/1989 |
| 4783915 | Self-propelled snow removing machine A self-propelling snow removing machine includes a body frame extending rearwardly and upwardly with a steering handle attached to an upper end thereof, a snow removing mechanism operatively mounted on a front portion of the body frame, a running mechanis... | 11/15/1988 |
| 4701948 | Communication system having separate unidirectional information signalling A bidirectional communication system having separate unidirectional information signalling for connection to one or more signal ports, comprised of a first switching matrix for effecting bidirectional communication between one or more of the signal ports ... | 10/20/1987 |
| 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 |
| 4457086 | Snowblower having improved auger and traction drive control A snowblower is disclosed having an engine, a friction disc rotatably driven by the engine, the friction disc including a friction surface and being rotatable about a first axis, a driven disc rotatable about an axis transverse to said first axis, the dri... | 07/03/1984 |
| 4288931 | Method and conveyor for snow removal A method of removing snow by utilizing a conveyor unit configured to facilitate depositing of snow into a sewer system. The conveyor unit is fit on or within the manhole sewer openings from which the covers have been removed. The conveyor units comprise p... | 09/15/1981 |
| 4188738 | Endless screw propeller unit for a snow thrower A snow thrower machine and in particular an associated endless screw propeller unit which is adapted to strike or bite an encountered layer or crust of ice to break it into pieces of blowable sizes. This endless screw propeller unit includes an helicoidal... | 02/19/1980 |
| 4185698 | Adjustable auger dozer An earth working dozer or tractor having a transverse blade and an adjustable spiral auger supported forward of the blade which further crushes material lifted by the blade and moves the material transverse of the blade. The blade includes opposed support... | 01/29/1980 |
| 4023287 | Plow attachment for snow blower A plow attachment for a snow blower may be pivoted between work and storage positions, about a horizontal axis located rearwardly of the snow blower blade, and may be angularly adjusted about a vertical axis. The plow attachment includes a frame and a bla... | 05/17/1977 |
