| Patents for A01B 21 - Harrows with rotary non-driven tools (576) |
|---|
| 07/21/1988 | DE3728061C1 Ground-driven tractor-drawn tine-rotor cultivator |
| 06/28/1988 | CA1238510A1 Rotary tiller apparatus |
| 04/19/1988 | US4738316 Adjustable shank mounting for an earthworking tool |
| 02/11/1988 | WO1988000792A1 Rotary tyne assembly |
| 02/04/1988 | DE3723141A1 Soil-loosening appliance |
| 01/14/1988 | WO1988000002A1 Prickle chain |
| 01/12/1988 | CA1231265A1 Plough |
| 08/18/1987 | US4687065 Soil-inversion cultivator |
| 04/22/1987 | EP0218585A1 Apparatus in dispensing machines for agriculture |
| 03/05/1987 | DE3546033A1 Cultivating device having a levelling part arranged behind it |
| 01/02/1987 | DE3540562C1 Agricultural ground-working appliance |
| 10/29/1986 | EP0199313A2 Agricultural implement |
| 09/03/1986 | EP0192917A1 Arrangement in agricultural disk implements |
| 03/25/1986 | US4577699 Cushion mounted disc with interconnecting spool assembly |
| 03/19/1986 | EP0174303A1 Soil cultivating device |
| 03/19/1986 | EP0174302A1 Soil cultivating device |
| 01/07/1986 | US4562780 Trash farming means and method |
| 12/05/1985 | WO1985005246A1 Apparatus in dispensing machines for agriculture |
| 11/12/1985 | CA1196521A1 Disk gang assembly |
| 09/24/1985 | US4542793 One-pass complete tillage system |
| 09/12/1985 | WO1985003840A1 Soil cultivating device |
| 09/12/1985 | WO1985003839A1 Soil cultivating device |
| 09/03/1985 | US4538689 Subsoil plow point |
| 05/07/1985 | US4515224 Seed drill with improved seed disc means |
| 02/26/1985 | US4501333 Disc type agricultural implement |
| 02/19/1985 | US4499747 Power driven disc cultivator apparatus |
| 02/05/1985 | CA1181979A1 Pivotal disc gang section |
| 07/24/1984 | CA1171253A1 Tool mount assembly method |
| 06/05/1984 | US4452319 Disk harrow with individually spring-mounted disks |
| 04/24/1984 | US4444271 Tillage apparatus with independent depth adjustment |
| 02/07/1984 | US4429750 Ridge leveler |
| 01/03/1984 | US4423789 Agricultural implement for tilling soil |
| 12/13/1983 | US4420048 Disk gang assembly |
| 10/04/1983 | US4407372 Disk harrow with cushion gang |
| 09/27/1983 | CA1154292A1 Disc standard assembly |
| 09/13/1983 | US4403662 One-pass complete tillage system |
| 08/10/1983 | EP0085492A1 Agricultural machinery |
| 08/02/1983 | US4396070 Pivotal disc gang section |
| 07/05/1983 | US4391335 Rotary hoe wheel |
| 06/22/1983 | EP0081813A1 Disc gang, especially in the form of a tool for soil working implements |
| 04/26/1983 | US4380853 Tool mount assembly method |
| 02/09/1983 | EP0071516A1 Implement for preparing the soil prior to seeding |
| 06/15/1982 | CA1125565A1 Agricultural implement having field and transport modes |
| 06/08/1982 | US4333535 Disc standard assembly |
| 05/11/1982 | CA1123256A1 One-pass complete tillage system |
| 05/04/1982 | US4327932 Overlapped folding beam implement |
| 02/03/1982 | EP0045060A1 Holding device for the flexible mounting of a disk gang to the frame of a disk harrow or the like |
| 01/26/1982 | US4312409 Rotary hoe implement |
| 01/05/1982 | US4308919 Hinge-type offset wheel harrow |
| 09/29/1981 | US4291770 Levee disc apparatus |
| 09/29/1981 | US4291637 Freely rotatable soil cultivating implements with liquid dispensing |
| 07/21/1981 | US4279311 High speed tiller with widely spaced discs |
| 07/07/1981 | CA1104404A2 Rotary hoe |
| 06/09/1981 | US4271912 Disc harrow |
| 03/03/1981 | CA1096685A1 Tandem disc cultivators |
| 01/20/1981 | US4245706 One-pass complete tillage system |
| 12/30/1980 | US4241793 Rotary hoe scratcher |
| 09/17/1980 | EP0015290A1 One-pass complete tillage system |
| 06/24/1980 | US4209067 Draft control and tail beam device for ground working discer type agricultural implements and the like |
| 03/25/1980 | CA1074172A1 Draft control and tail beam device for ground working discer type agricultural implements and the like |
| 03/20/1980 | WO1980000396A1 One-pass complete tillage system |
| 12/25/1979 | US4180135 Hydraulic angling mechanism for disc harrow gangs |
| 11/13/1979 | CA1066110A1 Means for resiliently mounting a disk gang |
| 02/20/1979 | US4140187 Harrow support |
| 01/30/1979 | US4136744 Ground driven power tillage device |
| 01/23/1979 | CA1046830A1 Hydraulic angling mechanism for disc harrow gangs |
| 11/21/1978 | US4126186 Soil cultivating implements |
| 10/10/1978 | CA1040000A1 Harrow support |
| 09/19/1978 | US4114697 Finger wheel |
| 05/23/1978 | US4090571 Soil cultivating implements |
| 05/09/1978 | US4088196 Soil cultivating implements |
| 05/02/1978 | US4086965 Soil cultivating implements |
| 01/03/1978 | US4066132 Disk harrow with beam member suspended by u-shaped springs |
| 08/16/1977 | US4042042 Soil cultivating machines |
| 06/28/1977 | US4032236 Optical multiple-reflection arrangement |
| 07/20/1976 | US3970012 Soil agitating device |