| Patents for A01B 13 - Ploughs or like machines for special purposes (1,205) |
|---|
| 08/09/1995 | EP0666014A1 Mobile soil decompacting apparatus |
| 08/01/1995 | US5437337 Tillage unit with reduced disturbance of surface residue and soil |
| 07/25/1995 | US5435081 Ballast plow |
| 07/18/1995 | US5433277 Soil implement |
| 07/12/1995 | CN2203022Y Rotary mixed type plough for reclamation of white muddy soil |
| 07/04/1995 | US5429197 Blade for a soil agitating device |
| 06/21/1995 | CN2200900Y Stubble cleaning and ridge piling-up machine |
| 05/24/1995 | DE4339443A1 Method for seed sowing on uncultivated soil |
| 05/23/1995 | US5417293 Single pass continuous feed sprigger |
| 05/16/1995 | US5415236 Subsoiler having rearwardly disposed soil fracturing structure |
| 05/10/1995 | CN2196359Y Furrow-making moisturizing implement |
| 05/09/1995 | US5413056 Method and apparatus for no-till planting |
| 05/03/1995 | CN2195841Y Machine for coving field film |
| 04/27/1995 | DE4403158C1 Mobile ground-loosening appliance |
| 04/25/1995 | US5409068 Dual penetration combination sweep with ripper |
| 04/13/1995 | WO1995009524A1 An earthworking implement |
| 03/22/1995 | CN2192127Y Animal-drawn small-sized multifunction agricultural machinery |
| 03/21/1995 | US5398770 Cultivator |
| 02/28/1995 | US5392541 Vibratory plow assembly |
| 02/21/1995 | US5390745 Cultivator with sweep and sifting assemblies |
| 02/09/1995 | DE4325496A1 Cutting device for small tractors for maintaining hardcores (hard sports areas) or ballasted ways, including mechanical weed removal |
| 02/08/1995 | CN2188844Y Plough for deep lifting subsoil layer |
| 12/06/1994 | US5370070 Narrow profile soil opening device for agricultural material placement |
| 09/15/1994 | WO1994019925A1 Method and means for planting of tree plants |
| 08/31/1994 | CN1025768C Ridging ditcher for both paddy field and dry land |
| 07/07/1994 | WO1994014311A1 Ploughs for growing and digging up potatoes |
| 06/15/1994 | EP0601049A1 Soil implement |
| 03/29/1994 | CA2023798C Mixing head for soil tillage |
| 02/22/1994 | CA1327122C Snow plow arrangement for moisture retention in a field |
| 01/25/1994 | US5281054 Vibratory plow assembly |
| 12/22/1993 | CN2149745Y Vibration type shallow-ploughing deep-loosening plough |
| 12/22/1993 | CN1079791A Schotterplug |
| 12/01/1993 | EP0572370A2 Ballast plow |
| 11/24/1993 | CN2146840Y Plough for preserving moisture of soil |
| 11/24/1993 | CN2146839Y Small power high-speed double disc ditcher |
| 11/24/1993 | CN2146838Y Plough, support frame assembly for cultivation machine of paddy field |
| 10/05/1993 | US5249633 Field breaking implement |
| 09/29/1993 | CN1076582A Wide cultivation tool |
| 09/20/1993 | CA2063913A1 Subsoiler having rearwardly disposed soil fracturing structure |
| 08/25/1993 | CN1075391A Three-wheel raker for use in paddy field |
| 08/24/1993 | US5237761 Rotary ditcher having ripper blades |
| 08/04/1993 | CN2139340Y Half-dry type furrow-dammer for rice |
| 07/22/1993 | DE4200934A1 Asparagus bed ridging attachment for tractor hitch - has height of ridge monitored via pressure on upper flap with automatic correction for ridging action |
| 07/14/1993 | CN2137853Y Linkage-mounted plough for deep operation |
| 07/07/1993 | CN1073823A Ridging ditcher for both paddy field and dry land |
| 04/29/1993 | WO1993005242A3 Soil implement |
| 04/21/1993 | CN2130028Y Ditch-making and ridge-making plow |
| 04/14/1993 | CN2129504Y Big or middle horse power agriculture double disc ditch digger |
| 03/18/1993 | WO1993005242A2 Soil implement |
| 03/03/1993 | CN2127543Y Furrow plough for afforestation |
| 02/10/1993 | CN2126753Y Middle, small size whole position deep loosener |
| 01/24/1993 | CA2047608A1 Device for working the land |
| 12/22/1992 | US5172768 Device for loosening soil |
| 11/19/1992 | EP0514019A2 A vibratory plough assembly |
| 11/17/1992 | US5163780 Method of modifying the soil permeability for septic systems |
| 10/19/1992 | CA2066377A1 Vibratory plough assembly |
| 10/14/1992 | CN2118386U Miniature deeply cultivating plough |
| 09/09/1992 | EP0502254A1 Reversible device for working between plants |
| 08/12/1992 | EP0498775A1 Ambiversatile multi-furrow plough with variable angle displacement incorporating tilling blade elements |
| 08/06/1992 | WO1992012616A1 Tilling apparatus with helical blades and blades therefor |
| 07/14/1992 | CA1304975C Barrier systems |
| 06/17/1992 | CN2107118U Manpower dike maker in paddy field |
| 06/16/1992 | US5121800 Soil loosening device |
| 06/10/1992 | CN2106478U Two-way tillage machinery for wide and narrow high yield furrows |
| 05/19/1992 | US5113610 Rotating disk type ditcher |
| 05/06/1992 | CN2103233U Dual-face furrowing share |
| 04/15/1992 | EP0480158A1 Agricultural machine |
| 04/15/1992 | CN2101358U Digging machine with bent blade |
| 04/14/1992 | US5103917 Adjustable calibration assembly for a guidance system |
| 04/12/1992 | CA2027411A1 Auxiliary equipment attachment adapter |
| 04/08/1992 | EP0478749A1 Ripper assembly with pitch control and integral frame and push block. |
| 04/01/1992 | EP0477437A1 A method of reversing the order of two superimposed layers of soil, and a reversible plough for the application of said method |
| 03/18/1992 | CN2098786U Quick ditcher |
| 03/05/1992 | WO1992003036A1 Trailer drive shaft plough for working the topsoil without working the lower suboils |
| 03/05/1992 | DE4027380A1 Method of improving low moor-land with sand sub strata - involves use of deep plough share and second smaller share to plough two tier furrow |
| 02/20/1992 | WO1992002119A1 A blade for a soil agitating device |
| 02/20/1992 | DE4026102A1 Anhaengetriebachspflug fuer die wendende bodenbearbeitung der oberen ackerkrume bei gleichzeitiger, nichtwendender bodenbearbeitung tieferliegender bodenschichten Anhaengetriebachspflug for the tacking tillage top topsoil at the same time, not by applicable tillage deeper soil layers |
| 02/04/1992 | CA1295135C Plow with readily replaceable wear parts especially adapted for use in a vibratory cable laying machine |
| 01/21/1992 | US5082064 Tillage implement having depth adjustable discs |
| 01/08/1992 | CN2092181U Two-way alternative plow |
| 12/05/1991 | DE4022156A1 Agricultural attachment for tractor - has number of separate cutters and skimmers with holes fixed at intervals along transverse frame |
| 12/05/1991 | CA2018274A1 Ditcher |
| 11/27/1991 | CN2089234U One-step transmission disc type ditcher |
| 11/12/1991 | US5063999 Moldboard plow apparatus for switching soil strips from one furrow to another |
| 11/05/1991 | US5062488 Small terrace generating machine with lateral dammers |
| 10/24/1991 | WO1991016507A1 Ripper assembly with pitch control and integral frame and push block |
| 10/24/1991 | CA2053899A1 Ripper assembly with pitch control and integral frame and push block |
| 09/25/1991 | CN2085142U Furrow opener |
| 09/04/1991 | EP0445055A1 Agricultural soil working machine with an easily interchangeable rotor |
| 08/20/1991 | US5040613 Guidance system for an agricultural implement |
| 08/14/1991 | DE4040802A1 Implement for soil cultivation - has soil ploughing blades, turning blades and compacting heads |
| 05/08/1991 | CN2076294U Multipurpose disc ridge-making machine |
| 04/10/1991 | CN2074529U Vibrating ditch plow coupled with walking tractor |
| 04/10/1991 | CN2074528U Vibrating mouse path plow |
| 03/13/1991 | EP0416374A2 Cultivator |
| 02/12/1991 | US4991659 Ripper assembly with pitch control and integral frame and push block |
| 01/23/1991 | CN2069639U Ridge-making machine for wheat |
| 01/02/1991 | EP0406217A1 Mobile apparatus for mowing |
| 12/27/1990 | WO1990015520A1 Combination share arrangement |
| 12/04/1990 | US4974683 Ridge tillage attachment for planters |