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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7431113 | Agricultural machine with energy reservoir for overcoming peak loads The agricultural machine has at least one energy producer (19); at least one energy storage device; at least one working unit (2, 4, 7, 8, 15, 16, 17) driven by the at least one energy producer (19) and at least one electric drive unit (20 | 10/07/2008 |
| 7374256 | Braking system for an agricultural vehicle An agricultural vehicle is disclosed having ancillary equipment that may be raised and lowered relative to the ground with consequential changing of the position of the center of gravity of the vehicle and having a hydraulic braking system comprising a master cylind... | 05/20/2008 |
| 7178884 | Braking system for an agricultural vehicle An agricultural vehicle is disclosed having ancillary equipment that may be raised and lowered relative to the ground with consequential changing of the position of the center of gravity of the vehicle and having a hydraulic braking system comprising a master cylind... | 02/20/2007 |
| 7131651 | Chassis with height adjustable wheels for regulating orientation of a chassis member A chassis is described which is constructed of two lower side frames which at each end are provided with a wheel or caterpillar track. On each of the two lower side members, there is a horizontal bearing. Each of these bearings are connected to an upper vertical sid... | 11/07/2006 |
| 7089824 | Traveling transmission apparatus for work vehicle A traveling transmission apparatus for a work vehicle is disclosed. The apparatus includes a stepless change-speed unit receiving power from an engine, a gear transmission mechanism receiving power from the stepless change-speed unit and disposed rearwardly of the e... | 08/15/2006 |
| 6942595 | Control system for the drive of a pto for an agricultural vehicle A control system for the drive of a power take-off mechanism on an agricultural tractor that records machine-specific values of the implement attached to the tractor. The drive train between the tractor engine and the power take-off includes a CVT transmission. The ... | 09/13/2005 |
| 6930591 | Anti-theft system for construction machines and method for managing construction machines An anti-theft system for construction machines, comprising a memory which stores, as machine-side identification information, first identification information allocated construction machine by construction machine and second identification information allocated in c... | 08/16/2005 |
| 6915873 | Suspended drive axle and agricultural tractor with same A suspended drive axle and agricultural tractor having same including a central housing having inboard final drives and left and right axle housing suspended therefrom by upper and lower control arms with axle shafts extending outwardly therefrom to which wheel and ... | 07/12/2005 |
| 6779623 | Suspended drive axle and agricultural tractor with same A suspended drive axle and agricultural tractor having same including a central housing having inboard final drives and left and right axle housing suspended therefrom by upper and lower control arms with axle shafts extending outwardly therefrom to which wheel and ... | 08/24/2004 |
| 6758112 | Power transmission arrangement of a working vehicle and transmission for the working vehicle In a power transmission arrangement, a working unit includes a hydraulic power unit and a valve unit enclosed in a first bulging portion of a transmission case closer to an upper side or on a top surface thereof and connected with each other along a vehicle lengthwi... | 07/06/2004 |
| 6752228 | Tractor with a cab A tractor with a cab disposed rearwardly of a hood, the cab being mounted on a tractor body (T) including a body forming unit, the cab including a bottom wall defining left and right footrests. The cab has a total length larger than a total height thereof. The cab i... | 06/22/2004 |
| 6502840 | Suspended axle with side and oscillation control linkage A suspension linkage for an axle has hard mechanical oscillation stops that move relative to the vehicle frame as the axle travels vertically. The linkage uses thrust bearings to eliminate sideways movement of the axle that causes bounce steer. The linkag... | 01/07/2003 |
| 6491129 | Agricultural tractor with draft compensating suspension An agricultural tractor having a rear suspension with draft compensating geometry to control the compression or extension of the rear suspension in response to a draft load. The draft compensating suspension enables the tractor hitch to be mounted on the ... | 12/10/2002 |
| 6460643 | Multi-functional self-propelled farm tractor A high clearance farm tractor is capable of accepting different front attachments to enable it to operate as either a swather or a sprayer. The front and rear sections of the vehicle's chassis are connected by an articulating oscillating joint which permi... | 10/08/2002 |
| 6454294 | High clearance vehicle A high clearance vehicle includes a walking beam frame and an independent suspension. The frame consists of a main frame, A-shaped frames, a main truss, leg braces, and an axle. Pins which are used to join each A-shaped frame and leg braces to the main tr... | 09/24/2002 |
| 6237957 | Reinforcing frame for a working vehicle A tractor having an engine disposed in a front position, a transmission case disposed in a rear position, and a main frame for interconnecting the engine and transmission case. Reinforcing frames are attached to opposite side surfaces of the main frame. T... | 05/29/2001 |
| 6213218 | Sod laying apparatus A sod laying self propelled apparatus having a mobile frame mounted on front and rear wheels. The frame has front and rear sections that are articulated to allow the wheels to follow rough terrain. The frame front section has a U-shaped opening to allow r... | 04/10/2001 |
| 6202779 | Cruise control system A mower having a cruise control system is provided. The mower includes a frame, a plurality of wheels including at least a first drive wheel operatively supported by the frame, an engine operatively mounted to the frame, a mower deck operatively connected... | 03/20/2001 |
| 6053517 | Support for the mudguard of a steering wheel of a machine, in particular for the steering wheel of an agricultural tractor A mud flap support for a tractor allows the wheels to be steered while maintaining the attitude of the mud flap constant. The support has three elements with a preloaded spring between the axle and one of the elements of the support.... | 04/25/2000 |
| 5945917 | Swathing guidance display A swathing guidance display for accurately guiding and navigating an agricultural product application vehicle is described. The invention aids in precision guidance of the application of agricultural products such as fertilizers and herbicides to reduce a... | 08/31/1999 |
| 5857539 | Automatic-steering apparatus An automatic-steering apparatus for an agricultural machine (1), has at least one locating apparatus (OV), particularly an apparatus that locates the edge of the crop or row, whose locating signal (OS) is compared, as an analog voltage value (nominal valu... | 01/12/1999 |
| 5720214 | Fluid supply assembly for working vehicles In a working vehicle including a first control valve assembly (15) for controlling the operation of a hydraulic lift cylinder (14), a cylinder case (13) of the lift cylinder includes, at one of its side surfaces, a vertical seating surface (52) on which a... | 02/24/1998 |
| 5699656 | Agricultural combine A tracked agricultural combine vehicle for harvesting, hulling and sorting grain includes a grain working section driven via a tension roller clutch controlled power transmission belt and further including integrated control means for left and right side ... | 12/23/1997 |
| 5667032 | Self propelled mower with low radius pivoted rear wheel steering A riding or walk-behind self-propelled lawn mower has pivoted rear axles so that the mower is steerable to a low turning radius as measured off a lateral edge of the mower deck. The rear wheels are supported on a crossbar which is fixed at its middle to t... | 09/16/1997 |
| 5647441 | Combined tractor and dump truck vehicle A self-contained, modular three-point hitch including a three-point hitch fixture with a power take off drive bearing, a pair of lifting arm mounts, a fixed third point hitch, and a channel housing a lifting arm drive device; and a lifting arm subassembly... | 07/15/1997 |
| 5590731 | Hydraulic control system providing proportional movement to an attachment of a power machine A skid steer loader is adaptable to be used with a hydraulically powered attachment. A hydraulic system in the skid steer loader includes a hydraulic circuit providing fluid under pressure. A first auxiliary control valve is coupled to the hydraulic circu... | 01/07/1997 |
| 5577759 | High-clearance trailers for use in agricultural harvesting of multi-harvest crops A field trailer including a chassis (20) supported by a plurality of wheels (120) having an underlying framework that communicates with the wheels (120) via a swing arm assembly (40) and a vertically disposed wheel plate (80). One wheel plate supports one... | 11/26/1996 |
| 5562175 | Steering system for a surface compacting machine The invention relates to a dual steering system for a tandem-type surface compacting machine equipped with two independent steering modes, for example, a machine equipped with both frame steering (3) and with individual steering (6) of one of the rollers ... | 10/08/1996 |
| 5526892 | Vehicle having a differential with a vertical drive pinion shaft A vehicle including a change speed device having an output shaft for outputting drive from an engine in varied speeds, and a differential having a drive pinion shaft for receiving output of the change speed device. The output shaft of the change speed dev... | 06/18/1996 |
| 5460236 | Maneuverability vehicle Maneuverability of a work vehicle having front steerable drive wheels is improved by increasing steering clearance. The front drive axle is pivoted to the vehicle for pivotal movement about a fore-and-aft extending oscillation centerline located above the... | 10/24/1995 |
| 5367864 | Riding lawn mower A riding lawn mower having a mower unit suspended from a chassis frame through a link mechanism. A driver's seat supporting auxiliary frame is provided, which includes a foot rest, a seat mount and right and left rear wheel fenders formed integral with on... | 11/29/1994 |
| 5368121 | Telescoping tractor frame A telescopic tractor frame comprised of two interconnected cylindrical frame members which allow the frame to extend a contract and to pivot horizontally along the frame's axis. The frame may be extended to carry large loads or contracted to increase mane... | 11/29/1994 |
| 5335739 | Agricultural vehicle A high crop agricultural vehicle has a chassis supported at an elevated position on front and rear sets of wheels. The front wheels are turnable through an arc of greater than 90° so that they can be turned to a lateral travel position which is perpendic... | 08/09/1994 |
| 5290201 | Combine with mmoveable body and tandem drive wheels An agricultural combine such as used in the harvesting of crops includes oscillating or fixed forward tandem drive wheels which are coupled to the combine's support frame, or undercarriage, to provide a smooth ride over rough fields and a more uniform cro... | 03/01/1994 |
| 5284115 | Cooling system for a working vehicle A cooling structure for a motor section of a working vehicle with an engine having a vertical output shaft and mounted in an engine hood having an ambient air intake opening defined in an upper surface thereof, and a fan disposed above the engine to draw ... | 02/08/1994 |
| 5239812 | Frame structure for a front mower A front mower having a grass cutting unit connectable to a front portion and a grass catcher connectable to a rear portion thereof, comprises a main frame structure extending longitudinally of a mower body. The main frame structure includes a pair of righ... | 08/31/1993 |
| 5230403 | Steering platform for a working vehicle A steering platform includes a main floor supported by a body framework extending longitudinally of a vehicle, and footrests extending from the main floor laterally outwardly of the framework. A brake pedal and a shift pedal are arranged on the footrests.... | 07/27/1993 |
| 5209314 | Riding-type working machine A riding-type working machine includes a machine frame defining an engine compartment in a front portion thereof, an engine mounted in the engine compartment, a steering column in the form of a framework vertically mounted on the machine frame behind said... | 05/11/1993 |
| 5207187 | Air cooling system for a vertical engine An air cooling system for a vertical engine having a cylinder head projecting forwardly of a vehicle. The vehicle also includes a steering box disposed rearwardly of the engine, and a hood extending from the steering box and over the engine. This cooling ... | 05/04/1993 |
| 5169167 | Tractor front fender assembly for steerable wheels A mechanism for mounting the front fender for an agricultural tractor wherein the support structure includes an arcuate mounting bracket connected to the front wheel to be pivotally moveable therewith, an arcuate support bracket detachably connected to th... | 12/08/1992 |
