| Patents for A01B 63 - Lifting or adjusting devices or arrangements for agricultural machines or implements (3,360) |
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| 03/24/1993 | EP0533571A1 Agricultural or soil working implement position control device |
| 03/04/1993 | DE4128857A1 Moving agricultural load by hydraulic jack - opening valve at upper pressure threshold and keeping open until pressure falls below lower threshold |
| 03/03/1993 | EP0529684A2 Agricultural soil working machine with improved stabilization element |
| 03/03/1993 | EP0529683A2 Agricultural soil working machine with support wheels |
| 03/02/1993 | US5190111 Hitch positioning with slip override control and calibrated wheel speed for determining slip |
| 02/18/1993 | WO1993002542A1 A soil cultivating machine |
| 02/09/1993 | CA1313551C Implement control system |
| 01/20/1993 | EP0523834A1 Draft control system with closed loop drop/raise rate control of a hitch |
| 01/12/1993 | US5178220 Device for controlling the attitude of an implement drawn by an agricultural machine |
| 12/09/1992 | EP0517426A2 Wheel speed calibration and slip override disable |
| 12/09/1992 | EP0517419A2 Draft control system with safety disconnect |
| 12/08/1992 | US5168872 Boom, particularly a spreading boom for suspension on an outer frame of an agricultural tool, such as an agricultural vehicle |
| 12/01/1992 | US5167286 Disc harrow implement |
| 11/30/1992 | CA2043439A1 Dual wing agricultural implement |
| 11/24/1992 | US5165486 Implement lock-up system with shock-absorbing cushion springs |
| 11/24/1992 | US5165485 Edger with improved blade cover assembly |
| 11/19/1992 | EP0513939A2 A soil working implement |
| 11/19/1992 | DE4116417A1 Adjusting device for tandem rolls - is used in semi-mounted implements for seed-bed preparation |
| 11/19/1992 | DE4115653A1 Inter-row cultivator for row crops - has guiding element to ensure accurate height of tines |
| 11/17/1992 | CA1310221C Remotely adjustable disk leveling system |
| 11/12/1992 | DE4114681A1 Soil tillage unit with rolling implements - swings easily into transport position and is locked by safety device |
| 10/21/1992 | CN2119080U Machine for tilling and preparing soil in paddy field or dry land |
| 10/20/1992 | US5156217 Edger with improved rear wheel adjustment |
| 10/20/1992 | US5156216 Conservation compliance tillage tool |
| 10/08/1992 | DE4129034C1 Front mounted, hydraulic, three-point, hoisting hitch - has lower links slidable on axis, orthogonally w.r.t. drive direction |
| 10/07/1992 | EP0507710A1 Agricultural soil working machine with improved mounting of the support arm of the share |
| 10/07/1992 | EP0507232A1 Control system for a tractor with a trailed working implement |
| 10/06/1992 | US5152347 Interface system for a towed implement |
| 10/06/1992 | CA1308464C Hitch control system with start-up lock-out |
| 09/16/1992 | EP0503233A1 Rotary mower |
| 09/02/1992 | CN2114269U Suspending self-adjusting cultivating plough |
| 09/01/1992 | US5143159 Draft control system with dual mode draft sensitivity |
| 08/18/1992 | US5139091 Edger with improved operating lever assembly |
| 08/11/1992 | US5136828 Farm machine which detects an intermediate position of a connecting device |
| 08/04/1992 | US5135057 Agricultural implement lifting mechanism |
| 07/23/1992 | CA2056205A1 Bracket for attachment of a ground working tool on a tool bar |
| 07/22/1992 | EP0495210A1 Hydraulic lift with weight transfer |
| 07/15/1992 | EP0494516A1 Implement control |
| 07/15/1992 | CN2109691U Lifting device for suspending farm toods operated by pneumatic means |
| 07/14/1992 | US5129463 Conservation tillage implement convertible for end transport |
| 07/14/1992 | US5129282 Mechanism for selectively repositioning a farm implement |
| 07/01/1992 | EP0492620A1 Process and device for harvesting agricultural products |
| 06/25/1992 | DE4040915A1 Control valve for hydraulic system of agricultural vehicle - has single working chamber between supply duct and venting duct and with control slider |
| 06/23/1992 | US5123805 Frame structure for attaching a working implement |
| 06/17/1992 | EP0490267A1 Measuring device for determining draft loads |
| 06/17/1992 | DE4138483A1 Fork lift attachment for front of agricultural tractor - comprises sliding carriage activated by ram inside vertical frame |
| 06/16/1992 | CA1303555C Lift system for front-mounted implement for lawn and garden tractors |
| 06/09/1992 | US5119879 Edger with tubular main frame |
| 05/20/1992 | EP0485870A1 Traction load sensing system |
| 05/20/1992 | EP0485869A2 Force transducer for determining the forces between two constructional elements |
| 05/19/1992 | US5113957 Lifting control device for an agricultural machine |
| 05/05/1992 | US5109707 C-beam force sensor |
| 04/28/1992 | CA1299376C Mower |
| 04/16/1992 | DE4101185A1 Adjusting device for height of wheel on disc harrow - consists of flange attached to wheel axle which slides up or down against clap |
| 04/16/1992 | CA2053387A1 Trash clearing brush unit for a planter |
| 04/15/1992 | EP0480535A1 A hydraulic operating system for implement groups |
| 04/14/1992 | CA1298930C Diorganopolysiloxane-azobenzene alternating copolymers and methods for their preparation |
| 04/13/1992 | DE4212385A1 Control unit for power lift of farm tractor |
| 04/07/1992 | US5101909 Bending shaft draft force sensor |
| 04/02/1992 | DE4030950A1 Hydraulic controller for servomotor esp. on agricultural machinery - performs operational mode selection between simple and double-acting hydraulic controls by means of electronic logic |
| 04/01/1992 | EP0478095A2 A soil cultivating machine for the preparation of a seed bed |
| 03/25/1992 | EP0477041A1 Electronic device for controlling the working depth and the raising of a semimounted reversible plough |
| 03/24/1992 | US5097908 Farm machine for working the soil |
| 03/19/1992 | DE4028887A1 Housing assembly for hydraulic valve - contains valve spool with two operating positions on either side of neutral position |
| 03/03/1992 | US5092422 Multipurpose agricultural tractor |
| 03/03/1992 | US5092409 Coupling and lifting system for an implement, in particular an agricultural implement, that can be mounted on the front of a tractor |
| 03/01/1992 | CA2049247A1 Multi-tine cultivator frame suspension and adjustment mechanism |
| 02/25/1992 | US5090141 Adjustable blade holder |
| 02/19/1992 | CN2096202U Non-gear friction wheel lifting and controlling machanism of lever |
| 02/18/1992 | USRE33822 Hinge-type offset wheel harrow |
| 02/18/1992 | CA1295837C Tractor power lift with a mechanical disconnect to power source |
| 02/12/1992 | EP0470944A1 Lifter drawn behind a tractor |
| 02/11/1992 | US5086847 Height adjustment mechanism for farm implements |
| 02/06/1992 | DE4024662A1 Brushing sand into lawn - involves power driven rotating hub with spring-loaded or weighted arms and brush elements |
| 01/29/1992 | CN2094177U Small single wheel walking tractor for mountainous region |
| 01/28/1992 | CA1294852C Hydraulic control circuit for a master cylinder with multiple limit position |
| 01/23/1992 | DE4123151A1 Hydraulic load relief attachment for tractor - has additional modulated servo drive to hold attached agricultural appliance in non-operating position |
| 01/23/1992 | DE4022343A1 Mounting auxiliary equipment on tractor - involves link of adjustable length to adjust height of equipment |
| 01/21/1992 | US5081942 Depth adjusting device for a furrow opener |
| 01/21/1992 | US5081837 Hydraulic control circuit |
| 01/15/1992 | EP0466683A1 Reversible hydraulic plant |
| 01/15/1992 | EP0465790A1 Rotary mower for front mounting on a tractor |
| 01/14/1992 | CA1294168C Agricultural implement for supporting ground working tools at variable heights relative to ground level |
| 01/07/1992 | CA1293860C Height adjustment for a front mount mower |
| 01/07/1992 | CA1293859C Weight transfer control for a front mount mower |
| 12/31/1991 | US5076180 Trash clearing brush unit for a planter unit |
| 12/27/1991 | EP0462950A1 Method and arrangement for automatic limitation of the slippage of the driving wheels of a tractor or of an equivalent working machine |
| 12/24/1991 | US5074373 Drive connection on a support vehicle |
| 12/07/1991 | CA2018603A1 Conservation tillage implement convertible for end transport |
| 12/05/1991 | DE4022156A1 Agricultural attachment for tractor - has number of separate cutters and skimmers with holes fixed at intervals along transverse frame |
| 12/04/1991 | EP0459336A1 Ultrasonic distance measuring system |
| 11/21/1991 | DE4111024A1 Agricultural trailer with height-adjustable frame - has sprint elements transferring frame weight to ground rollers |
| 11/19/1991 | US5065681 Hydraulic down pressure structure for an implement with multiple ground engaging tools |
| 10/22/1991 | US5060205 Ultrasonic distance measuring system |
| 10/17/1991 | WO1991015106A1 Draft control apparatus and method |
| 10/16/1991 | EP0452237A1 Farm machine which detects and intermediate position of a connecting device |
| 10/08/1991 | US5054561 Bracket for attachment of a ground working tool on a tool bar |
| 10/08/1991 | US5054560 Transporting caster wheels |
| 09/25/1991 | CN2085146U Plunger pump device |
| 09/19/1991 | DE4007804A1 Control device for agricultural tool hydraulic hoist - uses controlled non-return valve connected to hydraulic line for hydraulic lifting cylinder |