| Patents for A01G 29 - Root feeders; Injecting fertilisers into the roots (1,258) |
|---|
| 06/05/1990 | US4931329 Enclosure forming adaptors and related apparatus |
| 05/08/1990 | US4922653 Plant watering and feeding support system |
| 04/25/1990 | CN2056308U Top dressing device |
| 10/03/1989 | US4870781 Combination tree support and feeder stake |
| 09/19/1989 | US4866880 Plant watering device |
| 07/04/1989 | US4843757 Tree/shrub |
| 06/22/1989 | DE3742048A1 Method of planting deep-rooting trees in barren areas with deep to extremely deep groundwater level |
| 03/08/1989 | EP0305622A1 Device for subsoil narrao limited irrigation |
| 03/02/1989 | DE3729893A1 Irrigation stake for trees and bushes (shrubbery) |
| 11/22/1988 | US4785575 Horticultural device for raising garden plants utilizing magnetism |
| 10/11/1988 | US4776130 Plant fertilizer holder |
| 07/07/1988 | DE3644078A1 Soil-working appliance |
| 05/24/1988 | US4745706 Plant watering and feeding stake |
| 05/05/1988 | DE3727463A1 Drainage insert with aeration and rod securing means for plants in plant receptacles |
| 03/24/1988 | DE3735083A1 Fertilising device for trees and bushes (shrubbery) |
| 02/23/1988 | US4726143 Root fertilizing device |
| 02/04/1988 | DE3726826A1 Irrigation stake for trees and bushes (shrubbery) |
| 01/28/1988 | DE3641651C1 Apparatus for aerating the ground |
| 12/01/1987 | CA1229730A1 Christmas tree stand |
| 11/25/1987 | EP0246860A1 Plant fertilizer holder |
| 11/25/1987 | EP0246409A1 Soil-working tool |
| 11/10/1987 | US4705218 Nozzle structure for a root feeding device |
| 09/15/1987 | CA1226735A1 Plant supporting and watering device |
| 07/22/1987 | EP0229508A1 Method and apparatus for oxygenation of plant roots |
| 07/09/1987 | DE3600340A1 Device for aerating and regulating the moisture content of the root space of trees which grow in towns, and use of this device when planting new trees |
| 02/18/1987 | EP0128173B1 Device to break open a cultivated soil |
| 01/29/1987 | DE3619758C1 Control desk with supply-line and control-line connections for operating an appliance for the treatment of areas of the ground and of plants rooted in the ground, especially trees |
| 01/02/1987 | DE3523099A1 Device for fertilising |
| 12/09/1986 | US4627191 Article for treating soil around growing plants |
| 11/25/1986 | US4624194 Probe for breaking and injecting soil |
| 09/03/1986 | EP0193167A1 Tree aerator |
| 05/20/1986 | US4589225 Plant fertilization using a microbiological system for phosphorus extraction and distribution |
| 04/15/1986 | US4581846 System and method for the fertilization of forest, farm and other large plant communities |
| 03/25/1986 | CA1202180A1 Punctualirrigation apparatus |
| 02/19/1985 | US4499686 Plant watering device |
| 12/19/1984 | EP0128173A1 Device to break open a cultivated soil. |
| 06/21/1984 | WO1984002251A1 Device to break open a cultivated soil |
| 06/12/1984 | US4453343 Irrigation systems |
| 12/07/1982 | US4361983 Water and fertilizer dispenser for plants |
| 11/17/1981 | US4300309 Plant feeding device |
| 03/10/1981 | US4254717 Gardening implement for irrigation |
| 09/30/1980 | CA1086500A1 System and method for introducing systemic treatment liquids into trees and similar plants |
| 09/23/1980 | US4224048 Osmotic fertilizer product and fertilization method |
| 11/27/1979 | US4175356 Plant aerator tube |
| 10/02/1979 | US4169420 Root feeder |
| 06/19/1979 | US4158269 Nutrient dispersal device |
| 05/29/1979 | US4156396 Root irrigation dripilator device with spray head |
| 11/07/1978 | US4123980 Root feeder |
| 10/24/1978 | CA1040858A1 Plant growth substrate and process for using |
| 05/16/1978 | US4089133 Device for liquid feeding of potted plants and the like |
| 05/09/1978 | US4087938 Tree watering device |
| 03/07/1978 | US4077511 Tree and shrub feeder |
| 11/08/1977 | US4056898 Water actuated plant fertilizing device |
| 10/04/1977 | US4051628 Apparatus for the improved dispensing of plant nutriments |
| 07/26/1977 | US4037361 Plant watering stick |
| 06/28/1977 | US4031833 Injection irrigating process and apparatus |
| 05/17/1977 | US4023308 Plant growth substrate and process for using |
| 05/10/1977 | US4021965 Fertilizer and pesticide dispensing stake |