The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7513316 | Implement rear hitch height and attitude control Implement hitch height control structure to maintain a rear hitch point at a generally constant height as the implement is raised and lowered. In one embodiment, a rectangular hitch frame is pivotally connected at a forwardmost end to lever arms on the implement lif... | 04/07/2009 |
| 7404448 | Coupler with self-latching and self-locking latching mechanism for a quick hitch A coupler for a hitch such as a quick hitch for a three point hitch of a work machine such as a tractor or the like, having a latching mechanism for holding a pin of a work element such as an implement or the like, in a receptacle of the coupler, which latching mech... | 07/29/2008 |
| 7367406 | Innovative hitch system with hydraulic pump A hydraulic system for an attachment for a tractor is disclosed. The hitch has a frame having a top member and a bottom member. The top and bottom members are joined together by a pair of side members forming a structure with an orifice. Each of the top and bottom m... | 05/06/2008 |
| 7364096 | Sprayer with pivotal wing booms having forward and reverse breakaway and folded X-shaped transport position This invention relates to a sprayer having a center boom and pivotal wing booms. The wing booms can be pivoted from an extended spray position to an elevated transport position by lifting and lowering each wing boom about a longitudinal lift pivot axis. In addition,... | 04/29/2008 |
| 7353885 | Apparatus for coupling an implement to a working vehicle The present invention relates to an apparatus for coupling an implement to a working vehicle, having two lower link bars, a length-adjustable upper link bar, and two lifting elements. The end closest to the working vehicle, of each of the lower link bars and the upp... | 04/08/2008 |
| 7350088 | Power management system for UPS attached to external devices Systems, methodologies, media, and other embodiments associated with power management are described. One exemplary system embodiment includes an uninterrupted power supply (UPS) manager logic configured to determine a power status of one or more UPS devices attached... | 03/25/2008 |
| 7334645 | Articulated power transfer apparatus A hitch apparatus for connection between a tractor and a trailing implement such as a cutter includes a hitch arm at one end of the apparatus extending forwardly and pivotal so as to extend either inwardly or outwardly thus offsetting the apparatus across the rear o... | 02/26/2008 |
| 7314012 | Method and apparatus for splitting, mulching, and leveling soil beds for planting Apparatus is provided for splitting, mulching, and leveling soil beds for planting. The apparatus adapts to changes in contour and elevation of a soil bed to insure that seeds are planted at equivalent depths along the length of the bed. The apparatus includes a tra... | 01/01/2008 |
| 7125033 | Towing apparatuses Towing apparatuses suited for use with, for example, three-point hitches or quick hitches. At least some of the present towing apparatuses include a male hitch member that is positioned such that a force acting through the male hitch member (such as a force transmit... | 10/24/2006 |
| 7104340 | Towed implement draft force sensor A draft force sensor is provided for a coupling member coupled between a towing vehicle and a towed earth engaging implement, such as a scraper. The draft force sensor includes first and second bores extending through the coupling member. Each bore has a horizontal ... | 09/12/2006 |
| 7100704 | Implement mounting trailer An implement support unit for cooperating with an implement-mounting device for an implement for mounting the implement on a trailer unit. Preferably, the support unit is a three point hitch type support unit. ... | 09/05/2006 |
| 7059419 | Tractor hitch lift arm adaptor An adapter that converts a tractor hitch coupling from a ball and pin type to a hook type. The adapter is a tubular member having an opening at one end into which an end of the hitch arm is inserted and a hook extends therefrom at the opposite end. A locking dog is ... | 06/13/2006 |
| 7043892 | Multiple baling system A multiple baling system for allowing a user to bale hay from a field. The multiple baling system includes a frame assembly being designed for being towed behind the tractor. Each of a plurality of baling implements is pivotally coupled to the frame assembly. A driv... | 05/16/2006 |
| 6988560 | Quick attachment system A system for quickly coupling a mounted implement and a towed implement to a tractor frame or chassis includes a hitching bracket with two hooks and two eyes that are fixed to the frame of the tractor and a plate that is fixed to the hooks and eyes to provide a moun... | 01/24/2006 |
| 6973976 | Self-aligning and self-locking hitch assembly A hitch assembly including a triangular flat portion mounted on the base plate of a guidable member for connecting an arm to the triangular flat portion and to a housing mounted above a plate on which is mounted a tube section having a reinforcing plate that is conn... | 12/13/2005 |
| 6966388 | Offset hitch A heavy gauge agricultural implement hitch is disclosed which is offset such that the implement and the tractor are not directly in line with one another, but allows the tractor to follow the previous crop rows and the implement to be offset of the previous crop row... | 11/22/2005 |
| 6840333 | Multi-function implement for attachment to a tractor and the like A multi-function implement for attachment to a tractor or the like for trenching, cutting, burying cable, and similar functions. The implement has a universal frame with a tractor attachment portion and a tool attachment portion. A series of tools are individually c... | 01/11/2005 |
| 6796384 | Implement mounting fixture The present invention provides an implement mounting fixture for mounting an implement to a work machine. The implement mounting fixture includes a frame having a hitch tube for mounting to a work machine. A pair of upper lift arms extend outwardly from the frame on... | 09/28/2004 |
| 6789746 | Connecting device connecting a spray boom to a chassis of an agricultural sprayer and sprayer equipped with such a connecting device A connecting device connecting a spray boom to a chassis of an agricultural sprayer, said connecting device is noteworthy in that it consists of a single quadrilateral arranged in a plane which is substantially vertical and substantially parallel to a longitudinal p... | 09/14/2004 |
| 6739402 | Transport drawbar A transport drawbar for an agricultural tractor has an elongate forward drawbar section of substantially uniform rectangular cross section that mounts on the tractor in the conventional way. An elongate second drawbar section extends to the rear from the forward sec... | 05/25/2004 |
| 6625964 | Hydraulic drive line and hitching assembly for pull-type implements A hydraulic drive apparatus for powering mechanical components of a pull-type implement, such as a crop harvesting unit, having an elongated extending hitching arm for pivotal attachment to a powered vehicle provided with a power take-off shaft. The drive... | 09/30/2003 |
| 6612380 | Tractor attachment for three point hitch An attachment, primarily for a tractor having a three point hitch, has a post with a seat for a gooseneck hitch ball, and mounting brackets for a fifth wheel type hitch that permit a limited amount of pitch and roll.... | 09/02/2003 |
| 6588513 | Articulating hitch assembly A hitch assembly for a work machine, particularly suitable for use in a track-type tractor, is provided with a frame having a generally vertical pivot axis. A pair of draft arms are carried by the frame, with each draft arm being pivotable about a corresp... | 07/08/2003 |
| 6585057 | Hydraulic twin hitch A dual tractor hitch used to pull twin hay balers which have an acid tank for treating baled material.... | 07/01/2003 |
| 6557275 | Vehicle hitch mount assembly for a snow plow Hitch mount for hydraulically driven snow blades or other accessories that includes a mounting frame for mounting to the vehicle chassis and a one piece plow assembly and lift frame readily removably coupled to the mounting frame, the plow assembly prefer... | 05/06/2003 |
| 6485036 | Sulky for outdoor power equipment unit A sulky for a self propelled, outdoor power equipment unit, such as a wide area mower or WAM, comprises independent left and right foot platforms to support a standing operator. A ground engaging caster wheel is carried on each foot platform to allow the ... | 11/26/2002 |
| 6454019 | Agricultural implement down pressure system An agricultural implement includes a frame, a grow medium manipulation surface configured to manipulate and move a growing medium and at least one elastomeric torsion element coupled to the surface. The growing medium manipulation surface moves between a ... | 09/24/2002 |
| 6453582 | Hitch mounted snowplow and method of using same A snowplow apparatus as adapted to attach to a vehicle having a ball hitch assembly. The snowplow apparatus has a blade assembly connected to an elongated drawbar. A frictionally activated elevating mechanism is operatively connected to the drawbar and mo... | 09/24/2002 |
| 6443079 | Agricultural machinery An agricultural machine has a movable rack (10) having at least one main wheel (16, 18), a hitch (12) which is arranged on the rack (10), a reservoir container (14) which is carried by the rack (10) and/or the hitch (12), and an agricultural implement (20... | 09/03/2002 |
| 6430908 | Self-leveling hitch and clevis assembly A rotary cutter includes a hitch comprising upper and lower arm sections which define a parallel linkage extending between the deck of the rotary cutter and a ball clevis forming a forward end of the hitch. The ball clevis includes identical upper and low... | 08/13/2002 |
| 6363629 | Vehicle hitch mount assembly for a snow plow Hitch mount for hydraulically driven snow blades or other accessories that includes a mounting frame for mounting to the vehicle chassis and a one piece plow assembly and lift frame readily removably coupled to the mounting frame, the plow assembly prefer... | 04/02/2002 |
| 6336281 | Hitch mounted snowplow and method of using same A snowplow apparatus as adapted to attach to a vehicle having a ball hitch assembly. The snowplow apparatus has a blade assembly connected to an elongated drawbar. A frictionally activated elevating mechanism is operatively connected to the drawbar and mo... | 01/08/2002 |
| 6293352 | Telescoping hitch for planting implement An agricultural planter is provided with forwardly folding wing members that allow conversion of the planter from a laterally extending operating position to a compact transport position. To increase stability for the planter, the draw bar telescopes as t... | 09/25/2001 |
| 6186244 | Adjustable cultivator hitch for towing an air cart The invention discloses an adjustable hitch for towing an air cart behind a cultivator or similar tillage device. The invention consists of a pivotable hitch which is connected to a pair of cultivator pivot arms pivotally mounted on the cultivator frame. ... | 02/13/2001 |
| 6151809 | Rear mounted snowplow The snowplow of the present invention is adapted to mount to the bed of a pickup truck. The snowplow includes a mounting base and a frame which is rotatably coupled to the base. The snowplow blade is coupled to the frame so that it moves with the frame. B... | 11/28/2000 |
| 6138770 | Lawn tractor load-carrying hitch/frame and spraying apparatus A frame for supporting a load, the frame including a quick mount/dismount hitch for a medium sized lawn and garden tractor. The hitch includes mounting brackets on one end of the frame, the mounting brackets including spaced apart sets of engagement membe... | 10/31/2000 |
| 6119789 | Implement tracking hitch Hitch for interconnecting a tractor to a towed implement such as a sprayer, operated by a power takeoff (PTO) of the tractor. The hitch has a turning axis located close to the front of the implement, and a universal joint in the PTO shall be in vertical a... | 09/19/2000 |
| 6035943 | Frame leveling system for tillage implements An agricultural implement provides improvements in ground-working implements having both a lowered ground-working mode and a raised transport mode wherein structure is provided to offset the effects of the moment forces created in the working mode. A flui... | 03/14/2000 |
| 6015016 | Stowable driveline connection aid for power-driven farm implements The connection aid takes the form of a spring-loaded stand that is attached to the tongue of an implement for cradling support of the driveline at or near the height of the power take-off shaft of the tractor when the implement is not connected to the tra... | 01/18/2000 |
| 5975216 | Low profile transferrable hydraulic three point hitch A self-contained hydraulic three point hitch assembly including a plate; a pair of frame rail mounts, a pair of strut mounts, a pair of hydraulic actuator mounts, and a pair of lifting arm mounts on the plate; a pair of lifting arms, each pivotally attach... | 11/02/1999 |