| Patents for A01B 63 - Lifting or adjusting devices or arrangements for agricultural machines or implements (3,360) |
|---|
| 06/07/1995 | CN2199665Y Hydraulic adjustable walking tractor-draw paddy field plough |
| 06/06/1995 | US5421416 Hitch assembly control system |
| 05/31/1995 | EP0655185A1 Method and device for draft and position control |
| 05/30/1995 | US5419401 Oil-pneumatic load control device |
| 05/30/1995 | US5419129 Hydraulic system for open or closed-centered systems |
| 05/24/1995 | DE4339323A1 Drehpflug mit seitlichem Pendelstützrad Reversible plow with lateral swinging depth |
| 05/23/1995 | US5417042 Farm machine with improved load-lightening and lifting device |
| 05/17/1995 | EP0653645A2 Method for measuring a distance |
| 05/17/1995 | EP0653644A2 Distance measuring system |
| 04/25/1995 | US5409069 Tillage implement with gauge wheel linked to wing lifting and self-leveling mechanism |
| 04/20/1995 | DE4335154A1 Device for activating a hydraulic adjusting element |
| 04/05/1995 | EP0646309A1 Method and device for limiting the wheel slip of an agricultural tractor |
| 03/07/1995 | US5394945 Precision weeding machine for row crops |
| 02/09/1995 | DE4325889A1 Choke valve in flat slide valve type of construction |
| 02/08/1995 | EP0637539A1 Motor vehicle with adjustable wheel position |
| 02/07/1995 | CA2127587A1 Motor vehicle with adjustable wheel position |
| 01/17/1995 | US5381866 Multi-share plough |
| 01/12/1995 | DE4323627C1 Agricultural machine |
| 01/12/1995 | DE4322355A1 SHR/EHR system for lifting mechanisms |
| 01/11/1995 | EP0632953A2 Soil working machine |
| 12/21/1994 | CN2185500Y Automatic lifting device of small size tractor |
| 12/14/1994 | EP0628236A1 Height-adjustable device |
| 12/13/1994 | US5372204 Power tractor hitch relief system |
| 11/22/1994 | US5366336 Leveling rod assembly coupled between towed implement hitch and ground wheel axle |
| 11/22/1994 | US5366024 Remotely adjustable depth control |
| 11/15/1994 | US5365442 Sonic ranging grade level controller |
| 11/15/1994 | US5363924 Weight transfer system for an agricultural machine |
| 11/15/1994 | US5363633 Position adjustment structure using an eccentric shaft |
| 11/08/1994 | US5361848 Agricultural cultivator |
| 11/03/1994 | DE4409231A1 Disc harrow with level compensation |
| 11/01/1994 | US5359837 Hydraulic elevating mechanism for structural assemblies on agricultural machines |
| 10/27/1994 | DE4313250A1 Hydraulic control device |
| 10/25/1994 | US5358055 Partial width seeding attachment |
| 10/20/1994 | DE4408251A1 Device for generating a downward-directed force on an implement coupled to a tractor |
| 10/20/1994 | DE4312644A1 Sicherheitsschaltung für ein servohydraulisches Regelsystem Safety circuit for a servo-hydraulic control system |
| 10/19/1994 | EP0620371A1 Hydraulic system for supply of open or closed hydraulic functions |
| 10/19/1994 | EP0619937A1 Precision weeding machine for row crops |
| 10/18/1994 | CA2015613C Apparatus for remote adjustment of the stop mechanism for controlling contraction of a hydraulic cylinder |
| 10/17/1994 | CA2121395A1 Precision weeding machine for row crops |
| 10/05/1994 | EP0617881A1 Tractor implement connection device |
| 09/21/1994 | EP0615681A1 Agricultural soil working machine with a large width, which easily adapts to the unevenness of the soil |
| 09/20/1994 | US5348101 Hydraulic system for a towed implement |
| 09/15/1994 | DE4407533A1 Reaping appliance |
| 09/15/1994 | DE4308084A1 Hydraulic control valve |
| 09/07/1994 | EP0613612A1 Agricultural machine, in particular a beet harvester |
| 09/07/1994 | EP0613340A1 Harrow, in particular foldable harrow. |
| 08/23/1994 | US5339906 Positon feedback mechanism for an implement |
| 08/18/1994 | DE4403720A1 Pressure-medium supply assembly for utility vehicles |
| 08/17/1994 | EP0610900A1 Hydraulic flotation mechanism for a mounted implement |
| 08/10/1994 | EP0609915A2 Control system for regulating a trailing device |
| 07/28/1994 | DE4401965A1 Brake mechanism for forest-cultivation machine |
| 07/28/1994 | CA2088214A1 Hydraulic drive system |
| 07/27/1994 | EP0607603A1 Working implements with at least two gangs of working tools |
| 07/26/1994 | US5332053 Hydraulic drive system |
| 07/26/1994 | US5332046 Agricultural machine with plow having changeable penetrating angle |
| 07/20/1994 | CN2171977Y Width adjustable double-shared plough |
| 07/13/1994 | EP0605851A1 Position control system for tractor towed implement |
| 06/14/1994 | US5320186 Draft control system with closed loop drop/raise rate control |
| 05/19/1994 | DE4304133C1 Hydraulic unloading system for snowplough mounted on vehicle - has hydraulic circuit control correcting actual pressure in ram on deviation from set value |
| 05/04/1994 | CN1086077A Apparatus for controlling of lifting of machines working in paddy field |
| 04/12/1994 | CA1328497C Engine-sensing draft control system with multiple feedback compensation mechanisms |
| 04/06/1994 | EP0590992A1 Implement control system |
| 04/06/1994 | EP0590692A1 Control system for the position adjustement of coupling devices |
| 03/29/1994 | US5297378 Suspension mechanism for reel mowers |
| 03/29/1994 | CA2029009C Hitch control system |
| 03/15/1994 | US5293944 In a digging apparatus |
| 03/01/1994 | US5291407 Draft control system with safety disconnect |
| 03/01/1994 | US5289680 Two pump hydraulic system with relief valves having different relief pressures |
| 02/09/1994 | EP0582099A2 Hydraulic system with load sensing |
| 01/26/1994 | EP0580034A1 Hitch control interface assembly |
| 01/20/1994 | DE4323631A1 Hydropneumatic system for load control on agricultural machine - has hydropneumatic cylinders that respond to unevenness of ground to maintain uniform load condition |
| 01/13/1994 | DE4319797A1 Self propelled vehicle with towing mode - has shunting switch for hydraulic steering with attached cut=out switch for engine. |
| 01/13/1994 | DE4222108A1 Agricultural tractor with plough coupled to it - is equipped with control unit, with sensors to record effective power on plough units |
| 01/11/1994 | US5277265 Tow valve and interlock for a vehicle |
| 01/11/1994 | US5277257 Depth control mechanism for an implement |
| 12/23/1993 | DE4235380A1 Control system for harvesting machine - has electrohydraulic valves coupled to micro-controller responding to manual and automatic control functions |
| 12/08/1993 | EP0572964A1 A method for the electronic control of a hydraulic hoist for agricultural tractors |
| 12/02/1993 | DE4217755A1 Position member for control of tractor implement height - has displacement path of throttle piston limited in direction of throttle opening by adjustable stop |
| 11/30/1993 | US5265681 Landscape levelling and raking apparatus |
| 11/18/1993 | EP0570315A1 Agricultural implement, especially mower, with an improved lightening and raising device |
| 11/18/1993 | EP0569836A1 Trailing device with at least one pivotally mounted working unit |
| 11/16/1993 | US5261495 Implement control |
| 11/04/1993 | DE4214265A1 Hydraulic lifting unit for agricultural machine - consists of two or more lifting cylinders connected between base unit and machine assembly |
| 10/20/1993 | EP0566033A1 Supporting frame for agricultural harvesting machine, particularly circular mower |
| 09/23/1993 | DE4208979A1 Measurement system for load on tractor vehicle and=or on front and=or rear wheel unit - contains pressure sensor in working cylinder of lifting device, force sensors in wheel units, calculation unit and display in cabin |
| 09/21/1993 | US5245827 Supply valve arrangement for closed center hydraulic system |
| 08/18/1993 | CN2140133Y Hydraulic turn-wrest plough with cushion valve |
| 08/12/1993 | DE4203186A1 Forest tractor with front shield forming part of grab hoist - has lower hoist arm pivoted on horizontal axle at front of vehicle with other end pivoted on bottom of shield |
| 08/10/1993 | US5234060 Pressure and depth control in agricultural implement |
| 08/05/1993 | DE4202894A1 Seed sowing machine towed by tractor - has tow bar connected to horizontal transverse axle by hinged joint and adjusting device between them |
| 08/03/1993 | US5231892 Hitch control interface assembly |
| 07/21/1993 | EP0551948A1 A soil cultivating machine |
| 07/21/1993 | EP0551511A1 A soil cultivating machine |
| 07/20/1993 | US5228522 Lift assist and cushion spring tool bar wheel for agricultural implements |
| 07/06/1993 | CA1319966C Three point hitch velocity control |
| 06/16/1993 | EP0546659A1 Agricultural machine having changeable penetrating angle |
| 05/27/1993 | WO1993009658A1 Harrow, in particular foldable harrow |
| 05/04/1993 | US5207279 Agricultural apparatus having vertically adjustable disc gang assemblies |
| 04/20/1993 | US5203250 Fluid cylinder mechanism |
| 04/06/1993 | US5199502 Edger with improved rotary blade driving device |