...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7418799 | Versatile plant management system A plant management system allows a person to be able to swap plants out with ease whenever a new look is desired for a garden. The system uses a series of subterraneanly disposed receptors that each removably receive a plant pot therein. The receptors are fluid flow... | 09/02/2008 |
| 7392614 | Reinforced unitized mat to facilitate growing plants A reinforced unitized mat to facilitate growing plants includes at least two material layers defining fluid-conveying passageways forming distribution headers and a flow restrictor, an inlet for delivery of a fluid into the distribution headers, and an outlet for di... | 07/01/2008 |
| 7350331 | Method for producing metabolites from plants cultivated in soil-less medium A method for producing molecules from plants, characterized in that the plants are cultivated in soil-less conditions and are supplied with a nutrient solution and/or sprayed with a leaching liquid, the solution and/or the liquid being subsequently recovered and tre... | 04/01/2008 |
| 7266924 | Method and apparatus for irrigating products on cultivating tables A system comprising cultivating tables as well as an irrigation device for supplying a liquid medium to cultivation products being cultivated on the cultivating tables, a special feature being the fact that each cultivating table comprises an inlet and an outlet for... | 09/11/2007 |
| 7237357 | Plant pot The invention entails a plant container having a grid pot with a carrier insert and a cover jacket detachably connected to the carrier insert. ... | 07/03/2007 |
| 7181886 | Orbital hydroponic or aeroponic agricultural unit An hydroponic/aeroponic agricultural unit that involves sealing the plants in a highly water saturated environment which more closely recreates the feel of natural rainwater. Also, this invention features the ability of quickly changing from a small housing into a l... | 02/27/2007 |
| 7137223 | Filling station for watering cans A filling station for watering cans comprises a water tank with a closable lid. A float valve mechanism is attached to the inside of the tank, and is connected to a water line or hose. In use, the filing station is placed in a garden area, with the hose running betw... | 11/21/2006 |
| 7017299 | Gardening cage apparatus and system A gardening cage having self-irrigating and self-fertilizing devices. In a typical embodiment, the cage includes panels having a frame that includes a plurality of horizontal and vertical rungs. The panels are connected so that rungs of respective panels cascade wit... | 03/28/2006 |
| 6997402 | Unitized mat to facilitate growing woody plants A unitized mat to facilitate growing woody plants includes at least two polymeric material layers, an inlet for delivery of fluid, and at least one outlet for dispensing fluid into an area covered by at least one layer. There is an opening in the layers through whic... | 02/14/2006 |
| 6996932 | Unitized mat to facilitate growing plants A unitized mat to facilitate growing plants includes at least two polymeric material layers defining fluid-conveying passageways forming distribution headers and a flow restrictor, an inlet for delivery of a fluid into the distribution headers, and an outlet for dis... | 02/14/2006 |
| 6978575 | Water level regulating plant container A water regulating plant container including a body having opposed side walls and opposed end walls terminating at a top edge in a rim and at a bottom edge by an inwardly directed flange extending from each opposed side wall. A raised bottom is carried by and couple... | 12/27/2005 |
| 6779299 | Plant growing system The invention relates to a plant growing system having a plurality of interconnected and elongated members for supporting growing plants. The system is preferably integrated with an irrigation system to provide a complete hydroponics system. ... | 08/24/2004 |
| 6295759 | Process for hydroponic cultivation of plants In a process for hydroponic cultivation of plants an irrigation solution containing water and at least one nutrient is circulated through a main loop at a first point where a disinfectant is added to the irrigation solution. At a second point at least one... | 10/02/2001 |
| 6293048 | Hydroponic feeder and cooler An apparatus and method for supplying an aqueous liquid for plants utilizes a reservoir having inside walls. There is a conduit for discharging the liquid so the liquid flows along walls of the reservoir. There is a cooler for cooling the walls so the liq... | 09/25/2001 |
| 6058650 | Planting apparatus and method for green plants on reinforced concrete structures Apparatus for planting green plants on reinforced concrete structures includes a T-shaped base mount having a positioning hole connected to an L-shaped tube and a high density sponge inside. The base mount is connected to a cylinder which includes a posit... | 05/09/2000 |
| 5992092 | Automatic water supply device An automatic water supply device comprises a pot-shaped case having a space enclosing a flowerpot in the inside, a supporting bed of reverse bowl shape enclosed in the case and holding the flowerpot thereon, a control unit arranged in a gap between the in... | 11/30/1999 |
| 5860247 | Gas driven hydroponic system with a liquid pump outlet pipe connected to a variable buoyant float A multiple function hydroponics system consisting of three major components; a plant pot container, a reservoir container and a pumping chamber. The plant pot container has a drainage tube down into the reservoir, this drainage tube height is adjusted to ... | 01/19/1999 |
| 5826374 | Hydroponic garden apparatus Automated hydroponic plant growing apparatus, for providing an equal supply of nutrient solution, at a controlled rate, to plants in each of a plurality of individual growth chambers, with provision of flow irrigation of each plant in each chamber. The ap... | 10/27/1998 |
| 5557884 | Spraying and level control for aero-hydroponic system An improved aero-hydroponic growing system for plants is disclosed. The system provides for level control of the liquid nutrients in the plant tube as well as an innovative spray head for oxygenating and dispersing the liquid nutrients.... | 09/24/1996 |
| 5355618 | Irrigation valve for a cultivation table and related irrigation system An irrigation valve adapted to be placed in an inlet pipe for irrigation liquid under a cultivation table for potted plants or the like. The irrigation valve includes a valve housing with an inlet and an outlet as well as a mixing chamber and a nozzle. Th... | 10/18/1994 |
| 5337515 | Hydroponic gardening method and apparatus An apparatus for hydroponic cultivation including a pneumatic pump, a pumping tank, an overflow tank, a pneumatic valve, solution distribution tubing, and a plant growing container. The configuration presented achieves the results required from such a sys... | 08/16/1994 |
| 5307589 | EBB and flood irrigation system An ebb and flow irrigation system wherein a plurality of plant growing receptacles are placed in a plurality of large protective containers positioned in the ground. The containers are connected to a pipe system including inlet and outlet valves communica... | 05/03/1994 |
| 5067275 | Hydroponic garden A hydroponic garden utilizing conventional flower pots for growing chambers and a plastic PVC pipe supporting the flower pots through openings in the upper wall of the pipe so that a nutrient solution circulating through the plastic pipe feeds the plants ... | 11/26/1991 |
| 4669217 | Plant propagation system and apparatus A modular plant propagation system and apparatus utilizes a first or lower reservoir containing a liquid plant nutrient in fluid communication with a second or upper reservoir in which a plant propagation support module utilizes a sterile, low water reten... | 06/02/1987 |
| 4603506 | Hydroponic plant growing device One or more plant growing trays are supported on a tubular support frame constructed of plastic pipe to provide an attractive support for the plant growing trays and to also provide a storage chamber for the proper volume of fluid growing solution. The fl... | 08/05/1986 |
| 4437264 | Hydroponic apparatus and method The method of supplying nutrient liquid to a plant growing system comprising a series of many planters that are essentially alike and that are disposed at a common level, the system including a supply line extending from a supply point to the planters in ... | 03/20/1984 |
| 4419842 | Hydroponic planter A hydroponic device includes a hollow housing which defines a substantially closed lower chamber for receiving a liquid nutrient solution and a top open-ended upper chamber for receiving an inert filler material and the desired vegetation which are separa... | 12/13/1983 |
| 4334386 | Soiless gardening system A modular soilless garden system can be started as a small garden and built gradually into a larger, automatic garden system irrigated by a pump. Two formed plastic tanks, a larger sump tank and a smaller grow tank, are provided with barbed nipples at the... | 06/15/1982 |
| 4324069 | Plant growing system utilizing pneumatic pressure A method and apparatus for periodically supplying liquid to the root system of plants, utilizing pneumatic pressure to displace liquid in a chamber located beneath a plant support to a higher level accessible to the plant root system; and a means to relea... | 04/13/1982 |
| 4211034 | Hydroponic growing systems A hydroponic growing system consists of an elongated growing unit disposed above a supply tank which normally contains a nutrient solution. The growing unit contains pearlite or another solid particle growing medium into which the plant roots extend. Peri... | 07/08/1980 |
| 4198783 | Hydroponic apparatus An enclosed hydroponic apparatus comprising a free standing reinforced base housing a nutrient feed supply including a temperature control device to partially control the temperature within the hydroponic apparatus, a plant enclosure including a frame to ... | 04/22/1980 |
| 4107875 | Greenhouse equipment An assembly for supplying a nutrient solution, such as water, to plants supported on a greenhouse bench, which retains the solution supplied thereto from a reservoir disposed immediately beneath the bench. A main source of liquid, such as water, is suppli... | 08/22/1978 |
| 4045909 | HYDROPONIC NUTRIENT FEEDING AND DRAINING SYSTEM Hydroponic nutrient solution is fed to a growing bed by means of a pump withdrawing liquid nutrient solution from a supply reservoir located below the bed. The nutrient solution is rapidly drained from the bed when the pump is de-energized through a dump ... | 09/06/1977 |