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| Number | Title | Issue Date |
| 5345712 | Multi purpose plant holder A tray having several hollow, frustro conical shaped portions for supporting pots having plants. Such tray has several openings near the edge of the tray to allow the tray to be carried while the pots having plants are positioned in the tray. A raised sup... | 09/13/1994 |
| 5339566 | Seedling container A seedling container comprises a body member which is provided with a plurality of longitudinal cavities for seedlings. Each cavity is provided with a plurality of circumferentially extending barriers spaced along the length of the cavity. Each barrier pr... | 08/23/1994 |
| 5274953 | Planting machine suitable seedling tray A molded plastic seedling tray with an array of depressions thereon, with holes in the bottom of the depressions, each depression comprising a germination cell for growing plants. A perimeter side wall around the edge of the tray holds the germination cel... | 01/04/1994 |
| 5257475 | Pot aggregate for raising seedlings and process for manufacturing the same Herein disclosed is a band for forming a seedling raising bottomed pot aggregate, in which multiple rows of a plurality of pots are aggregated. The bottoms of the pots are formed by making specific planar structures in a material paper having a constant w... | 11/02/1993 |
| 5207733 | Materials for use in plant propagation A low density (5-12 Kgs/M3), rigid, unicellular (i.e. closed cell) expanded polyurethane foam is perforated through at least part of its thickness by mechanical means, resulting in a hydrophilic, heterocellular (open cell) foam, whereby to faci... | 05/04/1993 |
| 5161710 | Container with integrally formed handle A container is provided having a base, a wall portion extending from the base and defining a receptacle area, and a rim defining an opening into the receptacle area. The container comprises first and second opposing flange portions contiguous with the rim... | 11/10/1992 |
| 5155934 | Container insert An insert for a planting container is useful to support planting soil above a water reservoir. A base member includes several leg openings, a fill tube opening, and a plurality of air vents. Hollow leg members are attached to the base member to maintain t... | 10/20/1992 |
| 5127189 | Propagation tray A propagation tray configured to receive a plurality of seedlings or the like comprising a tray member having an outer peripheral ledge formed about the periphery thereof and plurality of elongated frustum conical propagation cells each having a centrally... | 07/07/1992 |
| 5117581 | Pallet system for container-grown plants The system includes an efficient, closed irrigation system in conjunction with insulating components for minimizing the harmful effects of extreme changes in ambient temperature, moisture and chemical concentrations in plant containers. Mechanisms are pro... | 06/02/1992 |
| 5099599 | Method of laying sod for conserving water in lawn maintenance A method for conserving water in lawn maintenance is described. According to the method, a layer of of a water-absorbent, nonbiodegradable material is provided between the ground and a layer of sod. This absorbent layer retains water which may be reached ... | 03/31/1992 |
| 5086585 | Substrate for out-of-ground cultivation and method for the production thereof A substrate for out-of-ground cultivation is made of a felt of mineral fibers obtained by continuous longitudinal compression, at a rate between 1.5 and 15, of a sheet of mineral fibers in which the fibers are arranged in layers or strata parallel to the ... | 02/11/1992 |
| 5009030 | Substrate for soil-free culture having a controlled water content over its thickness Substrates for soil-free culturing are formed from a felt of mineral fibres having a hydroretentivity gradient such that the hydroretentivity decreases in the direction of gravity. The hydroretentivity gradient may be brought about by a gradient in the fi... | 04/23/1991 |
| 4950218 | Multiple pot for raising and transplanting seedlings and method of fabricating the same The invention relates to a multiple pot comprising individual pots interconnected by connector portions so as to be capable of being pulled out. The multiple pot is used to raise and transplant seedlings of plants. The invention also relates to a method o... | 08/21/1990 |
| 4926587 | Method and apparatus for propagating plants A method and apparatus for propagating plants is illustrated wherein provision is made for aeration and drainage of the root plug with increased air flow to the upper or leafy parts of the plants extending across a growing tray in a predetermined pattern.... | 05/22/1990 |
| 4878313 | Container assembly This containment structure comprises a sheet-like container defining a plurality of cells for accommodation therein of small plants, in particular for cultivations in greenhouses, and a container holder having a substantially box-like shape. The containme... | 11/07/1989 |
| 4803806 | Material for multi-level flower beds An ornamental flower bed base assembly or matrix material comprising a flower bed base plate having a plurality of insertion through-holes disposed at appropriate intervals and a plurality of flower plant holders each having a side wall provided with irri... | 02/14/1989 |
| 4777763 | Plant growing medium A plant growing medium has a fabricated fibrous product having a density below 4.5 pcf, and preferably below 3.0 pcf, as a root supporting structure. The product comprises a pack of fibers, the fibers having a three-dimensional orientation and at least so... | 10/18/1988 |
| 4753037 | Plant growing method and container An improved method and container for growing a plant intended to be transplanted are provided. The side wall of the container includes at least one upwardly facing internal ledge positioned substantially horizontally therein and a plurality of spaced open... | 06/28/1988 |
| 4597222 | Seedling tray A seedling tray has intercalating seedling cavities extending oppositely from mouth openings in top and bottom faces of the tray to bottom regions near to the said faces, thereby rendering the tray reversible. Each seedling cavity converges from its mouth... | 07/01/1986 |
| 4586288 | Tissue culture rooting system A novel tissue culture assembly (10) which employs a tray (11) that presents one or more cavities (12) opening upwardly through a web sheet (13). A unique growing medium (25) is received in each cavity (12) and comprises a mixture of granulated foam (26) ... | 05/06/1986 |
| 4510712 | Air-root-pruning container A vertical air-root-pruning container involving a series of vertical air gaps displaced around the sidewall of a container. The air gaps are alternately displaced outwardly or inwardly to air-prune spiral root growth in both the right and left directions ... | 04/16/1985 |
| 4434576 | Support system for planting trays A support rail for use in supporting a planting tray during its initial growing period in a greenhouse. The support rail is especially suited for use with trays having a high-density matrix of small-sized soil plugs, and comprises a horizontally extending... | 03/06/1984 |
| 4389814 | Seedling transplant unit A reusable seedling transplant unit for elevated growing, by germinating several seedlings simultaneously in a growth medium, contains a plurality of pot-shaped cells all joined together; each cell has an open top and bottom and is structured with a plura... | 06/28/1983 |
| 4358908 | Plant culture vessel A cap and a base fit together to form the culture vessel. Adjacent the tops of the walls of the base is a rim which is "L" shaped in cross-section, consisting of a bottom leg joined to the base walls and an upright leg. Downwardly extending walls of the c... | 11/16/1982 |
| 4312152 | Buoyant support structure and system and method using structure for water culture of plants A support structure for growing plants such as lettuce by hydroponic cultivation includes a buoyant, closed cell, foamed plastic pallet having an array of spaced integral punch-out plugs arranged preferably in staggered rows. Selected patterns of plugs ar... | 01/26/1982 |
| 4291494 | Indoor greenhouse A portable greenhouse which includes a base, a cover, and trays. The bottom of the base is corrugated, the bottom of the trays are corrugated. The base, cover and trays all have a peripheral flange. The flanges engage with each other to form a seal around... | 09/29/1981 |
| 4197674 | Plant container A plant container having a plurality of downwardly extending compartments, each retaining a dirt ball having the root structure of a growing plant. Each compartment has an open top end and side walls converging downwardly and terminating at the bottom end... | 04/15/1980 |
| 4196543 | Rooting media and methods of making the same A rooting media in the form of a resilient, integral body of spongy open-celled hydrophilic polymer forming a first essentially continuous phase extending throughout the body and having passages therethrough forming a second essentially continuous phase e... | 04/08/1980 |
| 4144672 | Expanded plastic plant container with break-away bottom Open-topped container for cultivating one or more plants individually contained in a corresponding number of cavities of said container, containing a natural or artificial cultivating medium for said plant(s), e.g. soil, and being adapted for easy transpl... | 03/20/1979 |
| 4058931 | Cultivation block and a method for the manufacturing of same A plant cultivation and support structure in the form of a strongly hygroscopic block having a flat base, an indentation located in the top large enough to hold a seed or a seed pellet, an open bore leading from the bottom of the indentation to the base, ... | 11/22/1977 |
| 4035950 | Channel-like structure for horticulture and flower-growing In a tubular system for hydroponic culture,the improvement consisting in that the channel structure comprises a central core of a comparatively stiff plastics material and the sidewalls are made of a comparatively pliable plastics material, the upper edge... | 07/19/1977 |
| 3992810 | Seedling tray A multi-compartmented container formed from a single sheet of material having its various portions folded upon one another in predetermined arrangement along flexible hinge-type connections. One or more channels are defined within the container wherein ea... | 11/23/1976 |
| 3991516 | Separating flower pot An improved segmented container for potted plants and shrubs of the type defining an inverted conical shape or spherical zone segment which provides greater volume of earth at the base of the container than at the top to encourage greater and healthier ro... | 11/16/1976 |
| 3990180 | Peat containers for the planting of containerized seedlings As an article of manufacture, a plug shaped receptacle or hollow container made of peat, pre-shaped and reacted at conditions of temperature and pressure sufficient to cause reaction and polymerization of the naturally occuring functional groups of the pe... | 11/09/1976 |
| 3986299 | Planter A multicavity planter having separable opposing sides and a base with abutting partitions extending from the sides and base at spaced apart intervals to divide the enclosed space into separate cavities. The abutting partitions have flanged edges on one pa... | 10/19/1976 |
| 3949523 | Cell structure for the raising of seedlings A structure for use in the raising of seedlings and which consists of a plurality of cells lack having an open mouth and extending downwardly from a planar or horizontal plate, preferably formed from a sheet of plastic. The side walls of cell together def... | 04/13/1976 |
| 3938281 | Germination and seedling promoting assembly A germination and seedling promoting assembly comprising a plurality of individual moisture absorbant compressed peat bodies each having one or more seeds, and a supporting member designed to support said peat bodies at minor portions only of the under su... | 02/17/1976 |
| 3931694 | Planting flat A planting flat consisting of a unitary plastic body providing a multiplicity of planting cells having open upper ends adapted to receive growing medium, seeds, water, fertilizer, and the like; closed lower ends defining reservoirs for the retention of re... | 01/13/1976 |
