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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 |
| 8011144 | System for forming and insulating concrete slab edges The slab edge forming and insulating system includes edge members and support braces. The edge members include an elongated shell having an upright portion with an insulated inside surface, an upper portion and a lower portion. Each of the upper and lower portions h... | 09/06/2011 |
| 7966780 | Thermally conductive wall structure There is described a wall structure for absorbing or transferring heat from or to the ground, the wall structure comprising a footing for the wall structure disposed in the ground below grade extending in the longitudinal direction of the wall structure, a vertical ... | 06/28/2011 |
| 7735271 | Crawl space encapsulation system A system for forming an insulating vapor barrier in a building is especially suited for forming an insulating vapor barrier in a crawl space beneath a building. The system includes a series of separate vapor barrier panels that can be attached around a wall. A groun... | 06/15/2010 |
| 7407004 | Structure utilizing geothermal energy A structure utilizing geothermal energy capable of effectively utilizing a thermal energy in an underground constant temperature layer while using a supplementary heater and an air conditioner and natural energies such as solar heat or solar light, wind power, and w... | 08/05/2008 |
| 7313891 | Wall finishing system The wall insulating and finishing system is a system for finishing a concrete structure to increase the amount of useable space in a building. The finishing system comprises a plurality of connectable panels. An insulation layer is secured to the rear surface of the... | 01/01/2008 |
| 7067588 | Building element Building element having two parallel welded wire grid mats (1, 2), of straight web wires (7) which hold the wire grid mats at a predetermined distance apart and are joined at each end to the two wire grid mats. An insulating body (8) is arranged... | 06/27/2006 |
| 6976345 | Cementitious based structural lumber product and externally reinforced lightweight retaining wall system The invention includes a method for constructing buildings using non-wood construction products and buildings constructed from such non-wood construction products. The invention further includes a method and apparatus for manufacturing high-performance fiber-reinfor... | 12/20/2005 |
| 6976337 | Energy-saving housing The invention provides energy-saving housing wherein the indoor temperature condition can be made comfortable throughout the year by a small amount of energy by suppressing loads on cooling and heating devices, and high airtightness and high heat insulation performa... | 12/20/2005 |
| 6901709 | Concrete panel skirting system for manufactured homes and method for making the same A system for skirting manufactured homes or similar buildings with modular concrete panels. The concrete panels are placed in edge-to-edge relationship about the perimeter of the building, and are secured to the rim joist by metal keys that interfit with adjoining e... | 06/07/2005 |
| 6568136 | Method for building a floor designated to utilize the heat stored in the earth, and the construction of a floor built using such method A method for building a floor in a structure, such as a house, is designed to utilize the heat stored in the earth. The method includes the steps of (a) building a continuous footing (1) made of concrete on a location that corresponds to the location of a... | 05/27/2003 |
| 6477811 | Damp-proof basement and method of construction A method of construction of a damp-proof basement includes disposing a water-permeable palette layer on a bottom surface of the interior of the basement and spaced from an outer wall of the basement, disposing a water-impermeable vent layer over the palet... | 11/12/2002 |
| 6360496 | Circular building structure The present invention relates to a circular building structure which comprises a plurality of columnar structures, each of which extends from a point below ground level to a desired height above ground level and wall structures positioned between the colu... | 03/26/2002 |
| 6122887 | Moisture barrier protection system and method A tough, high-strength geomembrane made from a custom blend of polyethylene copolymers, for protecting waterproofing courses from impact and pressure damage of debris resting against the waterproof course. A slip sheet configuration reduces surfaces stres... | 09/26/2000 |
| 6076313 | Facility for maintaining an item in a controlled environment A method and apparatus for providing a controlled environment for storing, producing, growing and/or processing at least one item. The method includes the steps of introducing an item into an enclosed storage space separated from an interior of a first th... | 06/20/2000 |
| 5979131 | Exterior insulation and finish system An exterior insulation and finish system is produced for exterior construction having a primary weather proofing layer formed by a finish coat and a secondary seal is provided intermediate of the various layers of exterior insulation between a sheathing s... | 11/09/1999 |
| 5806252 | Waterproofing system for hydraulic structures with rigid sheets in synthetic material A waterproofing system and method for hydraulic structures which includes rigid sheets of synthetic material connected with flexible hinges made of sheets of synthetic material. Mechanical anchoring hold the rigid sheets in place.... | 09/15/1998 |
| 5791107 | Building with a sealing element The invention pertains to a building, particularly in the context of a nuclear installation. The building is formed with an outer shell and an inner shell which form an intermediate space therebetween. A sealing element is disposed in the intermediate spa... | 08/11/1998 |
| 5740636 | Weather block and vent The thermal efficiency of a building is improved by installing a weather block and vent member across the space between the ends of joists resting on a plate having between them an insulation blanket having a vapor barrier adjacent a ceiling on the bottom... | 04/21/1998 |
| 5704172 | Rigid foam board and foundation insulation system and method for treating same with insecticide/termiticide Disclosed is a rigid polymer foam board suitable for use in a foundation insulation system. The foam board has a face defining a plurality of grooves therein which traverse in a crossing, diagonal configuration. The groove configuration facilitates the ap... | 01/06/1998 |
| 5617693 | Prefabricated wall trusses for super-insulated walls A truss which is premanufactured and shipped to a job site for the construction of supper-insulated buildings walls has a two-by-four stud which is joined to a two-by-two stud positioned in spaced parallel relation to the first stud to form a twelve inch ... | 04/08/1997 |
| 5615525 | Thermoplastic foam insulation and drainage board in below-grade applications Disclosed is a rigid, thermoplastic foam board useful in below-grade residential and commercial insulating and drainage applications. The board defines a plurality of oriented channels extending therein along the board. The channel extends into the board ... | 04/01/1997 |
| 5544453 | Foundation for a building structure A building construction in which a floor story of the building rests on a foundation which, in turn, lies on the ground. An insulated and separate service space has been created beneath the floor story of the living accommodation, with room for accommodat... | 08/13/1996 |
| 5433049 | Prefabricated building foundation element The prefabricated creep foundation in accordance with the invention is a building system for the laying of the foundations for a heated building with a beam structure above an enclosed, unventilated creep space. The foundations are constructed from base p... | 07/18/1995 |
| 5352064 | Collapsible spacer A collapsible spacer for disposition between a form for a concrete foundation member and the underlying soil includes voids to allow the spacer to deform permanently and occupy a reduced volume when upheaving of the soil occurs. The spacer is fabricated f... | 10/04/1994 |
| 5295337 | Isolation element and the use thereof at an isolation arrangement The present invention concerns an isolation element for the isolation of vibrations and/or heat, which propagate/s in a medium such as soil, as well as the application of isolation element in an isolation arrangement. The isolation element is characterize... | 03/22/1994 |
| 5233801 | Method of erecting the outer walls of a building, and a building A building (1) where steel plates (2, 8, 9) are used partly as heat transporting elements to and from the constant heat area of the earth which is at a constant temperature and partly as load-bearing elements. The steel plates (2, 8, 9) maintain a signifi... | 08/10/1993 |
| 5091235 | Laminated sill wrap assembly for providing an air infiltration barrier A laminated sill wrap assembly for providing an air infiltration barrier between and around the sill plate and foundation wall of a building under construction is disclosed. The sill wrap assembly comprises a batt of infiltration material laminated into a... | 02/25/1992 |
| 5067289 | Foundation system for manufactured housing A prefabricated manufactured housing foundation system is provided for the easy installation of manufactured housing units without the necessity of a crane. The foundation of wooden modules is constructed of treated below-grade lumber that can be quickly ... | 11/26/1991 |
| 4815244 | Concrete block wall insulation system A thin barrier layer (20) is laid between courses of a concrete block wall (10) at or just below ground level (12) to intersect the hollow interior spaces (16) extending vertically within the wall, and particulate insulation material (25) is poured into t... | 03/28/1989 |
| 4799348 | Method and equipment for making a rigid slab enabling to carry a building Pin point foundations are formed, the ground is flattened and levelled at the level of these foundations, peripheral recoverable shuttering is disposed on the ground and continuous rows of non recoverable shuttering defining the ribs are disposed at the c... | 01/24/1989 |
| 4800128 | Chemical attack-resistant, liquid-tight lining A liquid-tight lining which is resistant to chemical attack for catch reservoirs, containers or the like of concrete. The lining includes a continuous liquid-tight impervious layer provided above the surface of the concrete. To make possible a simple and ... | 01/24/1989 |
| 4730953 | Insulated waterproof drainage material An insulative waterproof drainage material is presented. The insulative drainage system comprises, in part, a plastic sheet having a plurality of alternate valleys and raised portions in the sheet defining a core. Preferably, the core leads to a slotted p... | 03/15/1988 |
| 4711058 | Insulated concrete form A concrete form consisting of a metallic sheath (20) having a front (22), top (24), back (26), and an angular locking flange and bug barrier (28) nesting over an insulated barrier (30). The sheath (20) is permanently attached to the barrier (30) with a he... | 12/08/1987 |
| 4702048 | Bubble relief form for concrete A rigid, light-weight, thermoplastic bubble insulation form for cast in situ concrete slabs includes hemispherical void spaces for reduction of concrete volume and thermal insulation characteristics. An upper hemispheric surface provides an integral seati... | 10/27/1987 |
| 4694625 | Foundation filing system The present invention is a foundation piling system in which pilings are used which support a foundation system in soil having a varied composition and moisture content which eliminates the need for drilling a hole in the ground to receive pilings formed ... | 09/22/1987 |
| 4689926 | Foundation for building structure and method of constructing building structure utilizing same A building structure includes a building unit, such as a mobile home, house trailer, motor home, prefabricated building, hut or shed, duck blind, platform, or dock. There is also provided a shell, preferably of a resilient plastic material, which shell is... | 09/01/1987 |
| 4683692 | Insulation strip The device includes a shell with a mat of insulation material therein, held by friction. The shell is secured to a building, in position extending across a juncture line where a hole or gap exists. It has a mounting strip at the top edge, which also serve... | 08/04/1987 |
| 4653241 | System for insulating the interior surface of basement walls, structures and components therefor An insulation system suitable for rapidly securing insulation to the interior surface of a basement wall, comprising a continuous roll of flexible insulation of a length substantially greater than its width and having an impermeable vapor barrier continuo... | 03/31/1987 |
| 4633629 | Modular building structure A modular building structure includes a base formed with an upper planar portion, a lower planar portion spaced from the upper portion to define an interior space therebetween and sidewalls extending between the upper and lower portions and having a conve... | 01/06/1987 |
| 4620398 | Arrangement in building structures incorporating a foundation mat, for creating a volume of air beneath the mat An arrangement in building structures (1) having a support mat (2) for creating beneath the support mat (2) an air mass or volume (3'). A fan or like device is provided for supplying air under overpressure to a bed located beneath the support mat. Arrange... | 11/04/1986 |
