Patents for A01C 7 - Sowing (12,057)
09/1981
09/15/1981US4289256 Tramlining device for seed drill
09/15/1981US4289081 Coulter device for direct seed drills
08/1981
08/25/1981US4285444 High speed precision planter
08/18/1981CA1107150A1 Agricultural dispensing mechanisms
08/11/1981US4282985 Seed plate
08/11/1981CA1106702A1 Machines for handling seeds
08/04/1981CA1106239A1 Method of sowing seeds
07/1981
07/29/1981EP0032742A1 Sowing machine moved by a tractor
07/28/1981US4280419 Pneumatic system for conveying granular material
07/21/1981CA1105326A1 Press grain drill
07/15/1981EP0031934A1 Single-grain sowing machine
07/14/1981US4278183 Dispensing apparatus and method
07/14/1981US4278036 Rotary tiller slot planter and method for using same
07/14/1981CA1105125A1 Sowing monitoring arrangement
07/07/1981US4277833 Planter population monitor
07/07/1981US4276836 Grain drill utilizing a fertilizer spout and adjustable deflector therefor
06/1981
06/30/1981US4275670 Seed drill mounting arrangement
06/30/1981CA1103996A1 Machine for spreading seed material and fertilizer
06/16/1981US4273262 Rotary dispenser apparatus
06/16/1981US4273057 Planting apparatus for a grain drill
06/16/1981US4272920 Method of applying herbicide
06/10/1981EP0030082A1 Agronomic process and implement for use therein
05/1981
05/28/1981WO1981001352A1 Dosing apparatus for granular or powder material
05/19/1981US4268825 System for monitoring the movement of objects particularly the feeding of seeds
05/12/1981US4266489 Double crop planter, sprayer and topper
05/05/1981US4265368 Hopper for mechanical seed planters
05/05/1981US4265186 Grain drill with oscillating planter bar
05/05/1981US4265185 Plug mix seed planter
05/05/1981CA1100360A1 Method and apparatus for distributing pulverulent or particulate materials to a plurality of dispensing points, e.g., for sowing seeds or spreading fertilizer
04/1981
04/28/1981US4264242 Method and apparatus for distributing pulverulent or particulate materials to a plurality of dispensing points, e.g. for sowing seeds or spreading fertilizer
04/28/1981US4264023 Agricultural dispensing mechanisms
04/28/1981US4263858 Seed and fertilizer drill drive
04/15/1981EP0026926A1 Seed-spacing sowing device
04/14/1981US4262288 Electronic disabling switch
04/14/1981US4261593 Planting and fertilizing apparatus
04/14/1981US4261270 Dibble wheel with plural feed
04/07/1981US4259912 Agricultural dispensing mechanism
04/07/1981CA1098926A1 Pneumatically-operated machine for spreading granular material
03/1981
03/24/1981US4257534 Apparatus and method for dispensing seeds from seed packages
03/24/1981US4257340 Tractor-drawn seeding apparatus
03/24/1981CA1097977A1 Transport attachment for packer drills and the like
03/10/1981US4254897 Seed and fertilizer metering mechanism for agricultural drilling machines
03/10/1981CA1097149A1 Pneumatic seeder
03/10/1981CA1097148A1 Tractor-drawn seeding apparatus
03/10/1981CA1097147A1 Precision seeder and method
03/03/1981US4253586 Pneumatic planter having controlled movable nozzle
02/1981
02/17/1981US4251011 Machines for handling seeds
02/11/1981EP0023803A1 Seed drill apparatus
01/1981
01/28/1981EP0023064A2 Hopper and feed wheel assembly for a fertilizer spreader
01/27/1981CA1094613A1 Distributing device for machines having pneumatic discharge means
01/20/1981US4246469 Microwave seed sensor
01/13/1981US4244308 Seed drills
01/13/1981US4244306 Minimum tillage planter
12/1980
12/30/1980US4241849 Air cut-off pad for an air planter with seed discharge feature
12/30/1980US4241674 Sub-soil planter
12/30/1980CA1092417A1 Soil cultivating implements
12/16/1980US4239126 Seed sower having apertured pick-up member
12/16/1980US4239086 Lifting mechanism with cam
12/16/1980US4239010 Microwave seed sensor for field seed planter
12/09/1980US4238790 Sowing monitoring arrangement
12/09/1980US4237984 Rotating field plot row marker
12/09/1980CA1091265A1 Mobile spreader
12/09/1980CA1091101A1 Bolt on boot assembly for air seeding devices
11/1980
11/18/1980US4234105 Hopper and feed wheel assembly for a fertilizer spreader
11/18/1980CA1089721A1 Seed dispensing device
11/18/1980CA1089720A1 Press wheel depth control for grain drill furrow openers
10/1980
10/21/1980CA1087926A1 Seed-drilling machine
10/14/1980CA1192448B Drill plough
10/14/1980CA1087463A1 Seeding and/or fertilizing unit
10/14/1980CA1087462A1 Drill plough
10/01/1980EP0015971A1 Dispensing apparatus and method
09/1980
09/30/1980US4224882 Apparatus for sowing seeds in suspension
09/30/1980CA1086570A2 Fluent material dispenser and bucket therefor
09/17/1980EP0015800A1 Sowing process and machine
09/09/1980US4221175 Apparatus and method for planting seed
09/02/1980US4219966 Method of rapid grass growth
09/02/1980CA1084779A1 Seed or seed and fertilizer drills
08/1980
08/05/1980US4215824 Pneumatically-operated machine for spreading granular material
08/05/1980CA1082989A1 Seed or seed and fertilizer drills
08/05/1980CA1082988A1 Seed or seed and fertilizer drills
07/1980
07/29/1980US4214537 Grain drill furrow opening assembly
07/29/1980CA1082528A1 Gel dispenser for plug mix planter
07/15/1980US4212254 Tiller planter with modified seed bed finishing implement
07/15/1980CA1081822A1 Seed flow sensor
07/15/1980CA1081543A1 Pneumatic system for conveying granular material
07/01/1980US4210260 Skip row attachment for planter
06/1980
06/24/1980US4208974 Seed drill having parallel guide means for the movable shank
06/10/1980US4206857 Agricultural distributor having a control valve for plural outlets
06/10/1980US4206815 Tool bar arrangement
05/1980
05/27/1980US4204699 Hitch for draft implement
05/13/1980US4202474 Machine for spreading fertilizer and seed
04/1980
04/30/1980EP0010383A1 Machine for picking up and depositing seeds
04/22/1980CA1075975A1 Hand operated seed planter
04/08/1980CA1075087A1 Variable speed planter seed drive
03/1980
03/25/1980CA1074186A1 Method for sowing of forest seeds directly in the humus layer in the forest and a device for carrying out the method
03/11/1980CA1073542A1 Automatically controlled seed planter
03/05/1980EP0008553A1 Apparatus for distributing pulverized or granular material, notably for a sowing machine or an agricultural spreader
03/04/1980CA1073073A1 Monitor for seed planting apparatus
02/1980
02/19/1980CA1071918A1 Forwardly foldable toolbar
02/05/1980US4186670 Method and apparatus for sowing forest seeds in the humus layer