Patents
Sitemap › A01 - Agriculture; Forestry; Animal husbandry; Hunting; Trapping; Fishing › A01B - Soil working in agriculture or forestry; Parts, details, or accessories of agricultural machines or implements, in general › A01B 63 - Lifting or adjusting devices or arrangements for agricultural machines or implements
Patents for A01B 63 - Lifting or adjusting devices or arrangements for agricultural machines or implements (3,360)
04/1984
04/18/1984EP0105473A2 Hydraulic circuit with two variable flow pumps controlled by excess flow
04/03/1984US4440415 Hydraulic lift arm assembly mounting arrangement
03/1984
03/27/1984US4438818 Draft control system for agricultural tractor
03/27/1984US4438592 Wick bar lift
03/27/1984CA1164263A1 Tractive force sensing system for tractor
03/20/1984CA1163868A1 Depth control for an agricultural implement
03/14/1984EP0102766A1 Draft control system for a vehicle
03/13/1984US4437048 Control system for a pulled load, particularly agricultural tractor-and-plough control system
03/06/1984US4434857 Tractor and implement coupled thereto with hydraulic lift system including phasing valve
02/1984
02/21/1984CA1162460A1 Hydraulic circuit for a tractor drawn implement having remote variable height selector
01/1984
01/31/1984US4428435 Agricultural implement with hitch control
01/25/1984EP0037397B1 Tractor hydraulic control systems
01/24/1984US4427207 Hydraulic system providing equalized load on implement support wheels
01/24/1984US4427075 Electrohydraulic control device for use in agricultural machines
01/17/1984US4425970 Tractor draft sensing apparatus
01/11/1984EP0030972B1 Draft sensing apparatus
01/10/1984US4424870 Attachment device for the front of a motor vehicle
01/03/1984US4423664 Depth control apparatus
12/1983
12/27/1983US4422474 Electro-hydraulic remote valve
12/06/1983US4418758 Tractive force sensing system for tractor
11/1983
11/30/1983EP0094975A1 Vertical swingable mounting device
11/29/1983CA1157743A2 Tractor draft load monitoring system
11/29/1983CA1157742A2 Tractor draft load monitoring system
11/29/1983CA1157741A2 Tractor draft load monitoring system
11/29/1983CA1157701A1 Top mounted lift ram for tractor
11/22/1983US4416109 Mower attachment draft linkage responding to ground contour
11/16/1983EP0094072A1 Soil tilling implement
11/09/1983EP0093193A1 Combination of agricultural implements
11/08/1983US4413685 Planter implement with adjusting position-display apparatus and system thereof
10/1983
10/26/1983EP0092316A1 Working depth control system for vehicle with ground working implement
10/26/1983EP0092025A1 Agricultural tractor with a device at the back and front for attaching implements
10/25/1983US4411319 Sensitivity adjusting apparatus for tractor draft sensing and control system
10/18/1983US4410047 Tractor-drawn plow with hitch and furrow wheel hydraulic motors connected in series
10/18/1983US4410046 Device for regulating the tractive force in lower linkages of tractor lifting gear
09/1983
09/27/1983CA1154354A1 Self-leveling and height control hydraulic system
09/21/1983EP0089053A1 Soil tilling implement
09/21/1983EP0088915A1 Hydraulic control device for actuating the lifting device of an agricultural vehicle
09/06/1983CA1153280A1 Hydraulic circuit for synchronous lift of flexible frame implements
08/1983
08/09/1983US4397359 Tractor hitch with yoke having pivotally supported upper end
08/09/1983CA1151752A1 Digital memory depth tillage system
08/09/1983CA1151462A1 Mounting, adjusting and springing means for the tilling blades of a tilling apparatus, in particular a forest plough intended for use in woodland tilling
08/02/1983US4396069 Agricultural implement carriage system
08/02/1983CA1151055A1 Tractor draft load monitoring system
07/1983
07/19/1983US4393942 Vehicle-supported three-point coupling and position responsive fluid blocking device therefor
06/1983
06/28/1983CA1148789A1 Implement level lift system
06/21/1983CA1148446A1 Hydraulic system having variable displacement pumps controlled by power beyond flow
06/15/1983EP0081222A1 Cultivation tractor
05/1983
05/31/1983CA1147200A1 Three-point hitch draft control
05/24/1983US4385353 Method and system for regulating the operating depth of towed agricultural machinery, for example tractor-borne plows
05/17/1983CA1146449A1 Implement level lift system with rephasing valves
05/11/1983EP0078697A2 Tractor and implement hydraulic lift system
05/10/1983CA1145955A1 Raising and lowering mechanism for farm implement
05/03/1983CA1145607A1 Agricultural implement carriage system
04/1983
04/26/1983US4381036 Planter height and marker control system
04/26/1983CA1145226A1 Closed center programmed valve system with load sense
04/13/1983EP0076611A1 Improvements in and relating to tractor linkages
04/12/1983US4379491 Leveling system for a wheeled implement
03/1983
03/29/1983CA1143601A1 Tractor with a traction load sensing device
03/16/1983EP0073770A1 Tractor draft sensing apparatus.
02/1983
02/15/1983US4373591 Implement and last motion hitch locking mechanism therefor
02/01/1983US4371039 Tool bar control for agricultural implement
01/1983
01/26/1983EP0070442A1 Magneto-elastic dynamometer for measuring sheaning strains
01/26/1983EP0070354A1 Device for setting a combined value without retroactive effect for lifting elements of an agricultural machine
01/11/1983US4367656 Single axis force transducer
01/05/1983EP0068381A1 Tractor-drawn plough
12/1982
12/08/1982EP0066380A2 Lever mechanisms
12/07/1982CA1136917A1 Three point hitch usable in front and at the back of industrial, form, construction or logging vehicles, namely tractors
11/1982
11/23/1982US4360067 Transport lock system for an implement or the like
11/23/1982CA1135987A1 Automatic position control apparatus for ground working vehicle
11/16/1982US4359105 Soil working implement including hydraulic centering and locking means for caster wheel
11/03/1982EP0063774A1 Implement-attaching device for an agricultural tractor
11/02/1982US4357031 Top mounted lift ram for tractor
10/1982
10/27/1982EP0063167A1 Tractor with front implement hitch utilizable in the agricultural and/or building industry
10/26/1982US4355688 Agricultural implement and depth control therefor
10/26/1982CA1134165A1 Force measuring device
10/19/1982US4354688 Hydraulic circuit for a tractor drawn implement having remote variable height selector
10/19/1982US4354555 Hydraulic lifting arrangement for implements, especially on tractors
10/19/1982CA1133797A1 Hydraulic draft and load sensing system including quill shaft bendable in response to draft loads
10/12/1982US4353421 Soil preparing device for preparing forest soil
10/12/1982CA1133312A1 Soil preparing device for preparing forest soil
09/1982
09/21/1982US4350209 Hydraulic draft control valve
09/14/1982CA1131493A1 Ground working implement
09/02/1982WO1982002815A1 Tractor draft sensing apparatus
08/1982
08/31/1982US4346763 Agricultural implement sectional frame with depth limit
08/24/1982CA1130134A1 Tractor lower link draft sensing system
08/17/1982CA1129707A1 Draft sensing device
08/11/1982EP0057571A1 Agricultural implement with automatic depth control
08/10/1982US4343365 Electrically operated hydraulic power lift system
07/1982
07/27/1982CA1128356A1 Depth control device for disc gangs
07/27/1982CA1128336A1 Draft sensing apparatus
07/13/1982US4339139 Hydraulic circuit for synchronous lift of flexible frame implements
07/06/1982US4337959 Self-leveling and height control hydraulic system
06/1982
06/22/1982US4335894 Implement level lift system with rephasing valves
06/22/1982US4335887 Sealing device for use with flexible dynamometric bars
06/22/1982US4335577 Hydraulic system having variable displacement pumps controlled by power beyond flow
06/15/1982CA1125565A1 Agricultural implement having field and transport modes
06/02/1982EP0052823A1 Draft load control for agricultural tractors
06/01/1982US4332285 Tractor power lift mechanisms
05/1982
05/25/1982US4331345 Implement weight transfer
05/18/1982US4329911 Hydraulic regulating device for a working cylinder of an agricultural vehicle
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