Patents
Patents for A01B 69 - Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track (2,078)
05/1993
05/04/1993US5207739 Collapsible guide rod assembly for a tractor guidance system
03/1993
03/03/1993EP0529381A1 Axle mounting on the frame of a root crop harvester
02/1993
02/16/1993US5186261 On-land plow assembly with a plurality of adjustable plow units
01/1993
01/26/1993US5181572 Farm implement row guidance device
12/1992
12/15/1992US5170849 Guidance control system for farm tractor/implement combination
10/1992
10/20/1992US5156219 Positioning apparatus for drawn implement
09/1992
09/29/1992USRE34080 Row following guidance device for a tractor-drawn row crop implement
09/22/1992US5148873 Row follower
09/22/1992US5148591 Vision target based assembly
09/15/1992US5146686 Variable centerline sight
06/1992
06/16/1992US5121799 Guiding agricultural vehicles
05/1992
05/12/1992CA1300433C Field marker
05/06/1992EP0483905A2 Method and apparatus for controlling high speed vehicles
04/1992
04/14/1992US5103924 Mechanically coupled automatic guidance system for agricultural tractors
04/14/1992US5103917 Adjustable calibration assembly for a guidance system
04/02/1992WO1992004817A1 Continuous, self-contained mowing system
04/01/1992EP0340273B1 Installation for working arable land
03/1992
03/17/1992US5095996 Rotary tiller attachments for facilitating turning
03/10/1992US5094300 Attachment for guidance of pull-type implements
03/10/1992US5094001 Sighting device
03/05/1992DE4102487A1 Servo-controlled agricultural tractor - has sensors to monitor furrows to control position of plough share
02/1992
02/20/1992DE4025737A1 Furrow following guidance of agricultural appliance - correcting for deviations from track followed by towing tractor driver and detected by sensor on carrier
02/18/1992US5088561 Sensing apparatus for a guidance system
02/05/1992EP0469229A1 Steering device for agricultural machine and machine equipped with such a device
01/1992
01/02/1992EP0463397A1 Seeder
12/1991
12/12/1991WO1991018496A1 Row following drawn implement with internal steering arm
12/04/1991CN2089688U Miniature amphibious tillage machine
10/1991
10/24/1991DE4012395A1 Controlling agricultural distribution machines - using image of distribution area formed on recording medium having tracks of defined width
10/01/1991CA1289818C Farm chemical sprayer marker
08/1991
08/20/1991US5040613 Guidance system for an agricultural implement
08/20/1991CA1287717C Resin molding die
08/14/1991DE4004247A1 Servo controlled tractor plough with plant sensing - allows position adjustment for working between rows of plants
07/1991
07/16/1991US5031704 Guidance control apparatus for agricultural implement
07/09/1991US5029665 Auto-carrying system
07/02/1991US5027525 Field marker
06/1991
06/25/1991US5025866 Row following drawn implement with internal steering arm
05/1991
05/28/1991US5019983 Automatic steering apparatus using reflected signals
05/14/1991CA1284053C Row crop tillage and planting unit guidance system
04/1991
04/30/1991US5010960 Method of tilling with improved draft connection
01/1991
01/29/1991CA1279553C Alternating valve
01/22/1991US4986367 Folding row marker
01/15/1991CA1278945C Combined depth-control and wing-lift hydraulic circuit
10/1990
10/30/1990US4967362 Automatic steering apparatus for crop vehicle
09/1990
09/11/1990CA1273847A1 Floating marker arm mechanism
08/1990
08/16/1990DE3933146A1 Agricultural grubber working in field - comprises tractor-drawn rigid horizontal frame with vertical grub tipped tines and side cutting disc
08/08/1990EP0381073A2 Automatic guidance apparatus for a vehicule
06/1990
06/05/1990US4930581 Guidance control apparatus for agricultural implement
05/1990
05/22/1990US4926619 Hay-making machine
05/22/1990CA1269273A1 Farm implement hitch
04/1990
04/24/1990US4919214 Centerline sight
04/19/1990DE3834977A1 Switching device for the alternate raising and lowering of track markers on mounted agricultural machines
04/05/1990DE3833534A1 Regulating method and device for operating a train consisting of a farm tractor and of a plough
03/1990
03/29/1990DE3831764A1 Servo-controlled working appliance with capacitive plant sensing
03/13/1990US4907401 Drive assembly for walking mowers
03/06/1990US4905769 Draft connection
12/1989
12/13/1989CN2049066U Disk style multipurpose machine for ploughing and working soil
11/1989
11/28/1989US4883128 Guidance system for farm implements
11/28/1989US4883127 Sprayer marker
11/28/1989US4883126 Ridge planter guide unit
11/08/1989EP0340446A2 Transplanter
11/08/1989EP0340273A1 Installation for working arable land
10/1989
10/11/1989EP0336767A2 An automatic control system for vehicles
10/04/1989EP0211919B1 Marking unsown seed drill rows
10/03/1989US4871026 Trench forming device and guidance method
09/1989
09/21/1989WO1989008379A1 Trench forming device and guidance method
09/19/1989US4868752 Boundary detecting method and apparatus for automatic working vehicle
08/1989
08/29/1989US4860833 Draft connection
05/1989
05/30/1989US4835691 Positioning system particularly useful for positioning agricultural implements
05/24/1989EP0316896A1 Hay-making machine
05/23/1989US4831813 System for automatic performance of agricultural tasks such as lawn mowing
05/18/1989WO1989004115A1 Installation for working arable land
05/02/1989US4826062 Agricultural marking device
05/02/1989US4825957 Breakaway mechanism for a row marker
04/1989
04/25/1989US4824358 Resin molding die
04/18/1989US4821807 Row crop tillage and planting unit guidance system
01/1989
01/24/1989CA1249162A1 Row following guidance device for a tractor-drawn row crop implement
01/18/1989EP0299621A1 Resin moulding die
01/12/1989DE3721980A1 Track marker
12/1988
12/28/1988CA1247459A Planter row marker
11/1988
11/29/1988US4788440 Electro-optical systems for control of robots, manipulator arms and coordinate measuring machines
11/09/1988EP0244418B1 Hydraulic pressure control device
10/1988
10/04/1988US4774897 Marking unsown seed drill rows
09/1988
09/14/1988EP0282167A2 Alternating valve
09/06/1988US4769700 Robot tractors
08/1988
08/25/1988DE3704962A1 Agricultural appliance combination
07/1988
07/20/1988EP0274936A2 Method and apparatus for guiding an agricultural vehicle by means of a sight
06/1988
06/28/1988US4753569 Robot calibration
05/1988
05/25/1988EP0267936A1 Coupling device
05/19/1988WO1988003358A1 Beet pick-up loader
05/17/1988US4744285 Alternating valve
05/11/1988DE3638134A1 Ruebenvollerntemaschine Ruebenvollerntemaschine
05/04/1988EP0266295A1 System for the automatic realization of agricultural labour such as lawn mowing
03/1988
03/29/1988US4734683 Electronic row width monitor
02/1988
02/23/1988US4726175 Harvester guidance control system
02/23/1988CA1233220A1 Row crop harvester guidance system control circuit
12/1987
12/22/1987US4715012 Electronic tractor control
12/03/1987WO1987007112A1 Coupling device
11/1987
11/17/1987US4706773 Vehicle guidance system particularly for use in agriculture
11/12/1987DE3615535A1 Potato-harvesting machine
10/1987
10/20/1987US4700784 Combined depth-control and wing-lift hydraulic circuit
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