| Patents for A01G 27 - Self-acting watering devices, e.g. for flower-pots (5,834) |
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| 11/23/1989 | DE3742218A1 Tank with water-level indicator as device for long-term care of plants |
| 11/16/1989 | DE3814328A1 Device for long-term care of plants |
| 11/15/1989 | CN2047480U Electron switch for watering and hydroponics |
| 10/26/1989 | DE3812437A1 Plant-supply system |
| 09/26/1989 | US4869018 System forming a self-irrigating, raised bed |
| 09/12/1989 | US4864771 Automatic plant watering and feeding system |
| 08/31/1989 | DE3804036A1 Combined apparatus for improved vegetation conditions and long-term tending of earth-culture plants |
| 08/30/1989 | EP0329716A1 Technique for the cultivation of plants in hobby and protected agriculture |
| 08/22/1989 | US4858381 Floral container and water reservoir |
| 08/01/1989 | US4852806 Spray structures for use in watering plants |
| 07/18/1989 | US4848029 Watering device for plants |
| 07/13/1989 | DE3800019A1 Apparatus for the long-term tending, in particular, of plants, and process for the production of the apparatus |
| 07/11/1989 | US4846206 Automatic watering system using siphon action |
| 07/04/1989 | US4843758 Regulated automatic plant waterer |
| 06/29/1989 | WO1989005576A1 Apparatus for irrigating potted plants |
| 06/13/1989 | US4837973 Watering system for areas for the growth of plants |
| 06/08/1989 | DE3740100A1 Flower pot with outer pot |
| 05/30/1989 | US4834265 Automatic watering device for decorative plants |
| 05/16/1989 | US4829709 Self-watering flower pot |
| 05/16/1989 | US4829708 Plant care apparatus |
| 05/02/1989 | US4825591 Automatic watering device for plants |
| 04/20/1989 | DE3839461A1 Rack for storing and keeping plants |
| 04/19/1989 | CN2035949U Flowerpot with auto-adjusting water supply function |
| 04/11/1989 | US4819877 Modular element based liquid distributor |
| 04/11/1989 | US4819375 Aquapot |
| 03/29/1989 | EP0309059A1 Apparatus for automatically watering plants |
| 03/29/1989 | EP0308545A1 A method and an apparatus for automatically watering plants |
| 03/01/1989 | EP0304473A1 Trough for irrigating and moistening soil |
| 02/28/1989 | US4807394 Combined platform and capillary mat for plant tender device and method of manufacture |
| 02/21/1989 | US4805343 Osmotic fiber systems |
| 02/21/1989 | US4805342 Plant watering apparatus |
| 02/09/1989 | WO1989000809A1 Technique for the cultivation of plants in hobby and protected agriculture |
| 02/09/1989 | WO1989000807A1 Device for watering soil |
| 02/01/1989 | EP0301362A1 Plant-holder device for cultivating flowers, vegetables and the like |
| 01/25/1989 | EP0300377A1 Self-regulating device for watering plants in pots |
| 01/25/1989 | CN2031197U Adjustable self-watering flowerpot |
| 01/24/1989 | US4799822 Profile elements, particularly for supply and/or removal of substances from environmental and/or flow material |
| 01/11/1989 | EP0298926A1 Flowerpot with self-contained automatic control of humidity conditions therein |
| 01/05/1989 | DE3718116A1 Tank with water-level indicator |
| 12/29/1988 | DE3701416A1 Combined apparatus for tending plants over a long period of time |
| 12/28/1988 | CN88211689U Fertilizer saving type auto-water supply flowerpot |
| 12/20/1988 | US4791755 Substrate for a cultivated plant |
| 11/23/1988 | EP0291635A1 Irrigation floor |
| 11/17/1988 | EP0290755A1 Device for humidifying plant soil |
| 11/08/1988 | US4782627 Plant feeding and watering method and apparatus |
| 10/26/1988 | EP0288192A1 Raised bed for growing plants |
| 09/14/1988 | EP0282470A1 Box for irrigating and humidifying the soil |
| 09/07/1988 | WO1988006401A1 Trough for irrigating and moistening soil |
| 08/17/1988 | EP0278010A1 Combined apparatus for the long-term care of different kinds of plants |
| 08/02/1988 | US4760666 Watering device for plants |
| 08/02/1988 | CA1239795A1 Watering system for areas for the growth of plants |
| 07/21/1988 | DE3700217A1 Automatic pot-plant irrigation |
| 07/14/1988 | DE3700108A1 Combined apparatus for tending plants of various culture types over long periods of time |
| 07/12/1988 | US4756121 Automatic irrigation device for cultivated soil |
| 06/01/1988 | CN87212380U Cultivating device |
| 05/24/1988 | US4745707 Plant pot assembly |
| 05/24/1988 | CA1237212A1 Porous irrigation pipe and method |
| 05/11/1988 | DE3600123A1 Combined apparatus for long-term supply to plants of all types |
| 05/05/1988 | DE3737448A1 Plant receptacle |
| 05/04/1988 | EP0265464A1 Irrigation disc with fertiliser cartridge |
| 05/03/1988 | US4741125 Wick-based liquid delivery system for plants |
| 04/28/1988 | DE3635530A1 Dismantleable cultivation and transportation box for cultivated plants |
| 04/27/1988 | EP0264742A1 Modular element based multiple liquid distributor |
| 04/21/1988 | DE3634958A1 Device for tending plants over a long period of time |
| 04/05/1988 | US4735016 Flower pot |
| 03/30/1988 | EP0261360A2 Humidifier device for plant pots |
| 03/08/1988 | US4729189 Subirrigation mat |
| 02/17/1988 | CN85103940B Irrigation bag |
| 02/04/1988 | DE3726826A1 Irrigation stake for trees and bushes (shrubbery) |
| 01/14/1988 | WO1987006095A3 Automatic watering system for plants in pots or in open ground |
| 11/19/1987 | EP0245246A1 Device for regulating the watering of plants. |
| 11/12/1987 | DE3614587A1 Bewaesserungsscheibe mit duengepatrone Bewaesserungsscheibe with duengepatrone |
| 11/11/1987 | EP0245149A1 Device for the automatic intermittent water feeding of a series of flower pots or trays |
| 11/05/1987 | WO1987006426A1 Irrigation disc with fertiliser cartridge |
| 10/29/1987 | DE3635882A1 Planting box |
| 10/22/1987 | WO1987006095A2 Automatic watering system for plants in pots or in open ground |
| 10/19/1987 | EP0190147A4 Compositions, porous irrigation pipe and method. |
| 10/14/1987 | EP0240641A2 Plant container |
| 09/23/1987 | CN87101855A Plant container |
| 08/27/1987 | DE3541889A1 Device for the long-term care of different plant cultivation types and method of manufacturing the device |
| 08/25/1987 | CA1225832A1 Hydroponic unit |
| 08/13/1987 | DE3703111A1 Device for dosing liquid |
| 08/11/1987 | US4685827 Watering system |
| 08/05/1987 | EP0230463A1 Plant pot for plants with a small root volume |
| 07/14/1987 | US4679705 Fluid supply system, a connector and a valve |
| 06/02/1987 | CA1222373A1 Plant watering device |
| 05/26/1987 | US4667439 Foam plastic flower pot |
| 05/26/1987 | CA1222139A1 Device for encouraging root growth |
| 05/21/1987 | DE3700542A1 Water dispenser for pot plants |
| 05/14/1987 | DE3539460A1 Vegetation wall |
| 05/12/1987 | US4663884 Planter, especially for hydroculture |
| 04/15/1987 | EP0217817A1 Water-controlled plant growing device. |
| 04/02/1987 | DE3534071A1 Combined apparatus for the long-term supply of plants |
| 03/31/1987 | US4653529 Plant watering device |
| 03/26/1987 | DE3546459A1 Battery/electrically operated automatic plant watering installation |
| 03/26/1987 | DE3533566A1 Plant culture |
| 03/24/1987 | US4651468 Method and apparatus for natural fertilization and irrigation of plants |
| 02/26/1987 | DE3527755A1 Pflanzentopf fuer pflanzen mit einem verringerten wurzelvolumen Plant pot plant for a reduced root volume |
| 02/19/1987 | DE3528798A1 Device for the long-term care of plants of all cultivation types |
| 02/19/1987 | DE3528250A1 Device for the long-term care of earth, hydro and hetero cultivation plants |