| Patents for A01B 63 - Lifting or adjusting devices or arrangements for agricultural machines or implements (3,360) |
|---|
| 09/18/1991 | CN2084712U Hydraulic lift regulater for five-furrow plough |
| 09/17/1991 | CA1289014C Row crop planter convertible between narrow and wide row spacing |
| 09/11/1991 | CN2084275U Motive double-adjustment cultivation plough |
| 09/10/1991 | US5046311 Hydraulic control system |
| 09/03/1991 | US5044448 Farm implement attaching fitment |
| 08/27/1991 | US5042589 Multi-tine cultivator frame suspension and adjustment mechanism |
| 08/27/1991 | US5042588 Lifting strut for a tractor |
| 08/27/1991 | US5042586 Tractor draft force sensor |
| 08/21/1991 | EP0442387A1 Actuating device for the remote control of the position regulation of an hydraulic power lift |
| 08/21/1991 | EP0442279A1 Remote control unit for hydraulic power lift on tractors |
| 08/13/1991 | US5040119 Draft control apparatus and method |
| 08/07/1991 | EP0440114A2 Apparatus for hitching a road cleaning or ground cultivating implement to a vehicle |
| 07/25/1991 | DE4001400A1 Agricultural tractor hydraulic lever remote controller - moves manual lever and uses sensor and solenoid to rotate servo-shaft |
| 07/24/1991 | CN2081186U Width-adjusting tillage machine for paddy field and dry land |
| 07/11/1991 | WO1991010017A1 Method of automatic control over impact ripper |
| 07/09/1991 | CA1285854C Remote actuating mechanism |
| 06/27/1991 | DE4025099C1 Height controller for fertiliser or insecticide spreader - has signal source with filtering stage for suppressing fast precautions in output signal |
| 06/26/1991 | EP0433669A1 Tractor usable in agriculture with a system for dynamical stabilization of its movements |
| 06/19/1991 | EP0432815A2 An agricultural machine |
| 06/19/1991 | EP0432548A1 A device for controlling the attitude of an implement drawn by an agricultural machine |
| 06/18/1991 | CA1284876C Tiltable and azimuthly rotatable tool holder for tractors |
| 06/13/1991 | DE3940958A1 Actuating tractor mounted equipment - involves hydraulic motor connected to one or two hydraulic pumps |
| 05/29/1991 | EP0428959A1 Multiple-row precision seed drill |
| 05/29/1991 | EP0428856A2 Tractor lift rod |
| 05/22/1991 | EP0428076A1 Control system for the position adjustment of coupling devices |
| 05/15/1991 | EP0427355A2 Resilient planar framework for supporting multiple groundwork tools |
| 05/08/1991 | EP0248807B1 Arrangement for an implement intended for soil cultivation |
| 04/30/1991 | US5012415 Control system calibration |
| 04/18/1991 | DE4001495A1 Depth control of plough of agricultural machine - using three-bar linkage with variable length link dependent upon ground resistance |
| 04/17/1991 | CN2074973U Universal agricultural machine for field |
| 04/02/1991 | CA1282275C Depth sensing skid assembly |
| 04/02/1991 | CA1282274C Parallel cylinder depth control with series cylinder lift |
| 03/28/1991 | DE3931172A1 Coupling device on soil roller - is for tillage machine and gives direct attachment to lift unit on tractor |
| 03/26/1991 | CA1281932C Elevation control mechanism |
| 02/28/1991 | DE3928272A1 Hydraulic control circuit for tractor mounted machinery - has control valve to product main equipment from peak pressures |
| 02/28/1991 | DE3927717A1 Multi-row seed drill - has additional sowing units easily tiltable into travelling position |
| 02/27/1991 | EP0414279A2 Tractor hitch control system |
| 02/27/1991 | CN2071867U Turnover bidirectional shared type plough mounted on tractor |
| 02/07/1991 | WO1991001081A1 Apparatus for transfer of objects or equipment |
| 01/29/1991 | US4987959 Farm machine for working the soil |
| 01/17/1991 | DE3922517A1 Hydraulic controller for actuator on agricultural machine - has control valve coupling load, circulation and reservoir in selective interconnection |
| 01/17/1991 | DE3921927A1 Control lever adjustment device - is for hydraulic lift on farm tractor vehicle with three-point linkage |
| 01/16/1991 | EP0408388A2 Improvements in agricultural implement lifting mechanism |
| 01/15/1991 | CA1278942C Implement-mounting linkage mechanism |
| 01/15/1991 | CA1278941C Self-leveling agricultural implement |
| 01/14/1991 | CA2021167A1 Agricultural implement lifting mechanism |
| 01/08/1991 | US4982762 Hydraulic lift with weight transfer |
| 12/18/1990 | US4979092 Hitch control system |
| 12/18/1990 | US4977964 Resilient planar framework for supporting multiple groundworking tools |
| 12/05/1990 | EP0400317A1 Multi-row seed drill |
| 12/04/1990 | US4974684 In a wheel assembly for an implement |
| 11/28/1990 | EP0399914A1 Agricultural machine comprising a leading central tool and two pivotable side tools |
| 11/13/1990 | US4969527 Hitch control system |
| 11/06/1990 | US4967851 Agricultural depth control system including cross plumbed series cylinders |
| 10/10/1990 | EP0391090A1 Drive connection for a vehicle with mounted implements |
| 10/04/1990 | CA2013705A1 Drive connection on a support vehicle |
| 09/19/1990 | EP0387529A2 Hydraulic circuit with control valve |
| 09/19/1990 | EP0274501B1 Three point hitch velocity control |
| 09/12/1990 | EP0386591A2 Hydraulic circuit for use in lifting mechanism of work vehicle |
| 08/14/1990 | US4948162 Tail wheel spring arm assembly |
| 08/09/1990 | DE4003689A1 Lifting mechanism for agricultural vehicles |
| 08/07/1990 | US4945996 Rake and soil conditioner |
| 07/11/1990 | EP0377216A2 Control system for regulating a trailing device |
| 07/11/1990 | EP0377215A2 Method and apparatus for calibrating a control system |
| 07/03/1990 | CA1271244A1 Self-tuning regulator implement control |
| 07/03/1990 | CA1271079A1 Device for adjusting the distance between soil working tools |
| 06/14/1990 | WO1990006240A1 Traction device |
| 06/12/1990 | US4932476 Leveling position indicator |
| 06/05/1990 | US4931967 Control system calibration |
| 06/05/1990 | CA1269878A1 Implement hitch linkage for front mount mowers |
| 05/31/1990 | DE3936968A1 Adjustable support wheels for agricultural attachment - with trailing wheels on vertical adjustment and with lateral tilt control |
| 05/23/1990 | DE3838498A1 Device for the control of hoists |
| 05/22/1990 | US4927165 Master/slave hydraulic system for adjusting the support wheels of an articulated implement |
| 05/17/1990 | DE3838497A1 Device for the control of a hoist |
| 05/17/1990 | DE3838496A1 Safety circuit for the control of hoists |
| 05/15/1990 | US4924943 Agricultural pulling machine with automatic pitch vibration damping mechanism |
| 05/08/1990 | US4923014 Agricultural implement with gas springs and control |
| 05/01/1990 | US4920732 Hydraulic lift with weight transfer |
| 04/19/1990 | DE3835226A1 Control device for hydraulic power lifts |
| 04/10/1990 | US4915014 Disk harrow hydraulic wing balancing system |
| 04/10/1990 | CA1267585A1 Valve control system |
| 04/04/1990 | EP0361545A2 Soil cultivating implement |
| 04/03/1990 | US4913070 Ground contact implement soil penetration depth control |
| 03/29/1990 | DE3929487A1 Measuring device for tractor tool hydraulic coupling |
| 03/28/1990 | CN2054970U Triple-shared ploughs risen and falled by leading screw |
| 03/20/1990 | US4909331 Hitch gear having a load transfer system |
| 03/13/1990 | US4907653 Implement control system |
| 03/13/1990 | US4907493 Valve control system for hitch motor |
| 02/27/1990 | US4903781 Flexible mounting system for agricultural implements |
| 02/27/1990 | US4903779 Hydraulic control apparatus for tractor |
| 02/13/1990 | US4899523 Mower |
| 02/13/1990 | CA1265859A1 Actuating arrangement for a power lift |
| 01/31/1990 | CN2051811U Hydraulic turnover plough |
| 01/30/1990 | CA1265166A1 Vehicle, more particularly agricultural machine comprising ground-engaging wheels or an implement resiliently suspended to the frame |
| 01/25/1990 | DE3919598A1 Stellvorrichtung zur stufenlosen verstellung der arbeitsebene von landwirtschaftlichen bau- und/oder erntemaschinen Adjusting device for continuously variable adjustment of the working level of agricultural construction and / or harvesting equipment |
| 01/17/1990 | CN1006441B Device for adjusting the distance between soil working tools |
| 01/10/1990 | CN2050672U Balance support wheel of tractor plough |
| 12/12/1989 | US4886123 Control device for position-control of implement coupled to an agricultural vehicle |
| 12/05/1989 | US4884640 Soil cultivating implements |
| 11/28/1989 | CA1263286A1 Disk harrow hydraulic wing balancing system |