Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7647726 | Cover for plant growing medium The present invention relates to a device for covering a plant growing medium. The device includes a sheet that defines an aperture. One or more protrusions extends from the sheet to engage a top surface of the plant growing medium. A wall is integrally attached to ... | 01/19/2010 |
| 7617631 | Plant container soil cover device A soil cover device that removably secures to a plant container to restrict access to soil by children and pets, while facilitating the passage of air, water, and fertilizer to the soil through a plurality of openings. The soil cover device includes a plurality of p... | 11/17/2009 |
| 7234271 | Animalian pot cover incorporating a detachable miniature greenhouse A pot cover that is comprised of detachable components and which can be used in combination with any conventional garden pot or any other suitable container, for purposes of facilitating the propagation of seedlings or seed germination, and which also resembles a no... | 06/26/2007 |
| 7207136 | Method and protective, E.G., for grass protection, restoration, seed germination A protective heat absorbing and heat reflective covering material comprising an open mesh weave of scrim material, the mesh having warp and weft strips forming a substantially thin layer having opposed major surfaces, where at least one of the warp or weft strip mat... | 04/24/2007 |
| 7128668 | Mat—adapted for use as a baseball or softball on-deck circle A mat that may be placed on a baseball or softball playing field for designating a batter on-deck area. ... | 10/31/2006 |
| 7013597 | Tree ring for prevention of vegetation growth at trunks A tree ring that inhibits and/or prevents vegetation growth around the trunks of trees. The tree ring comprises an elastic outer peripheral edge and an elastic inner peripheral edge. In between elastic outer peripheral edge and the elastic inner peripheral edge is a... | 03/21/2006 |
| 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 |
| 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 |
| 6976334 | Outdoor planter system An outdoor planter system with a central opening through which a plant may grow. The planter portion surrounding the central opening is inwardly and downwardly sloped, generally impervious to liquid and light, and thereby directs liquid to the central opening while ... | 12/20/2005 |
| 6969415 | Vent for and method of concealing and venting a septic system Disclosed are a vent disclosed for a septic system, including a conduit configured to vent gas therefrom, including a leg configured to conceal a portion of, and convey gas from, the conduit, and a method of concealing a conduit configured to vent gas from a septic ... | 11/29/2005 |
| 6865845 | System, method and apparatus for container plant production The present invention provides a process and apparatus for producing container plants in a covered raised-based environment. ... | 03/15/2005 |
| 6779298 | Perforated Gerbera flower cup A flower cup having a flared bell-like shape has a flared rim, tapered sides and a substantially flat base. The rim, sides and a portion of the base have a plurality of perforations running from the rim to the base, where the perforations meet a plurality of lines w... | 08/24/2004 |
| 6763601 | Template apparatus for garden planting A planting template sheet apparatus for, and method of planting flowers, shrubs, bulbs or seeds through apertures in the template sheet, and the apertures adjoin indicia indicating specific plant locations, and the type of plant, as indicated on a template index pag... | 07/20/2004 |
| 6705044 | Adjustable root covers Adjustable landscaping ergonomic pads of various shapes adapted for covering the soil around the trunks of shrubs, trees, and garden plants to completely eliminate and retard the growth of weeds and other undesirable plants. ... | 03/16/2004 |
| 6455127 | Protective structure A surface-covering protective structure. A thermal insulation layer has a basic wall thickness, fastening elements and a support arrangement integral with and projecting from the basic wall thickness of the thermal insulation layer. The support arrangemen... | 09/24/2002 |
| 6088953 | Collapsible protective plant cover A collapsible protective plant cover comprises a pair of vertically spaced and coaxial support rings of spring steel. A tubular wall made of highly flexible sheeting is connected between the rings for protection from weather and animals. The tubular wall ... | 07/18/2000 |
| 6061953 | Potted plant protector device A potted plant protector device comprising a base, arms and fingers extending therefrom in a generally dome-shaped pattern is provided. The circumference of the base can be adapted for a variety of plant container circumferences. The arms are flexibly mov... | 05/16/2000 |
| 6023881 | Plant protection bag A protective bag for placing over fruit, vegetables, and entire small plants. The bag is fabricated from a perforated material passing sunlight, water, and air, but having perforations sufficiently small to exclude insects. The bag is closed by a liner at... | 02/15/2000 |
| 5992088 | Plant protection device with foldable waterproof plant protection curtain Plant protection device in the form of a weather protection extensible over the cultivation. The protection device including a framework (12) consisting of longitudinal and traverse support elements (13, 14) within which at least one waterproof foldable p... | 11/30/1999 |
| 5813170 | Direct seeding shelter and method for seeding An improved direct seeding shelter is disclosed. The shelter comprises a base, a side wall, a top including a cylindrical portion and a displaceable cover that is operable, in a first position, to prevent a seed from passing from the interior of the shelt... | 09/29/1998 |
| 5315783 | Flowerpot with water/soil separative planting system A flowerpot employs a water reservoir in its bottom section, a soil holding section above the water reservoir, a porous water/soil separation board which separates the water reservoir and the soil holding section, and a pot cover. Any excessive water in t... | 05/31/1994 |
| 5184421 | Locking cover for pots A pot cover covers the dirt in a flower pot, and locks to the pot to prevent scattering of the dirt and to prevent access by a small child or pet. The pot cover is a disk that is normally flat. The disk is split so the disk can be overlapped to cause the ... | 02/09/1993 |
| 5058317 | Mulch Collar A mulch collar for installation around a stem of a plant. The mulch collar comprises a web of relatively thin, pliable material having an opening for accommodating the stem of the plant and a slit extending from the opening to a peripheral edge of the web... | 10/22/1991 |
| 4995192 | Soil cover for potted or in-ground plants A soil cover that when installed around the base of an existing plant or tree, forms a cone-like shape, truncated at the top to allow stem or trunk to pass through. Thus installed, the cover prevents over watering of the soil around the plant due to exces... | 02/26/1991 |
| 4977703 | Plant soil protector The present invention relates to an improved plant soil protector. The improved plant soil protector includes a plurality of segments made from a grid-like material which permit the passage of air, water and fertilizer therethrough while protecting the so... | 12/18/1990 |
| 4815236 | Protective hood for the growing of cultivated plants A protective hood for the growing of cultivated plants to be raised on supports, such as stakes, sticks or the like, is described, said hood consisting of a sleeve provided with slit-like orifices, one end of the sleeve being optionally fastened to the su... | 03/28/1989 |
| 4798023 | Method of controlling environmental conditions in the proximity of vegetation or crops with the aid of protective sheeting, protective sheeting for use in this method, and a protective device comprising sheeting A method for controlling the environmental conditions in the proximity of vegetation or crops in the cultivation of plants is described in which use is made of protective sheets comprising a large number of microperforations having each a protruded rim, s... | 01/17/1989 |
| 4597220 | Closed enclosure used as greenhouse, cultivation frame or fish pond and improving exploitation conditions A closed enclosure used as greenhouse, cultivation frame or fish pond and improving exploitation conditions, in which a structure covers totally living organisms to be protected or breeded either directly in the ground or in a culture medium placed in a b... | 07/01/1986 |
| 4290229 | Installation for cultivation of crops on water An installation for the cultivation of crops on water includes a box-like floatable outer housing and an inner cultivation housing supported therewithin and forming a double-walled bottom and double-wall sidewalls therewith. A transparent plate glass roof... | 09/22/1981 |
| 4123873 | Cellular structure for the cultivation of plants A cellular structure for the growth of plants (horticulture) has at least one planar wall inclined to the horizontal and the vertical and provided at its upwardly facing side with a multiplicity of openings for receiving respective plants. Each opening fo... | 11/07/1978 |
| 4018003 | Hot cap This disclosure pertains to a hot cap fabricated from two precut sheets of semi-rigid plastic or paper stock material. Each sheet resembles an isosceles triangle with the apex portion removed along a line parallel to the base of the triangle. Two flaps ar... | 04/19/1977 |
| 3998006 | Multiple purpose agricultural weed suppressant and growth enhancement blanket A dark perforated flexible plastic sheet bonded on top of a fertilizer-containing cellulosic fiber blanket in contact with the earth shields the blanket and the soil beneath from the drying effects of the free circulation of air while allowing entry of wa... | 12/21/1976 |
| 3987583 | Apparatus and method for preventing premature separation of sepals of flower buds An apparatus and method for minimizing calyx rupture incident to rapid expansion of a corolla therein consisting of a hollow cone of lightweight light transmitting sheet material having ventilation openings therein which, as a flower bud starts to mature,... | 10/26/1976 |