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 |
| 7980033 | System and method for increasing the shear strength of a structure Reinforcing system for retrofitting wall to increase the ductility and resistance to shear forces of a gypsum board wall to a level comparable to plywood-sheathed wall. Fiber-reinforced polymer panel is attached to substantially cover surface of gypsum board to prot... | 07/19/2011 |
| 7497056 | Preformed wall panel A floor/ceiling 10 has downwardly extending ribs (14) separated by downwardly opening channels (16). The floor/ceiling member (10) sits down on a horizontal header (32) that is on top of a building wall that extends perpendicular t... | 03/03/2009 |
| 7347028 | Modular construction system utilizing versatile construction elements with multi-directional connective surfaces and releasable interconnect elements A modular construction system that utilizes versatile construction components releasably attachable to one another, in virtually any desired direction, by use of one or more interconnect components positioned therebetween. Each construction component includes at lea... | 03/25/2008 |
| 7328535 | Pivotable interlock block connector An interlock connector (10) for interlocking stackable building blocks (26). The blocks are provided with apertures (32), such as grooves, on their top and bottom surfaces. The connector comprises a main body which includes two separate and vert... | 02/12/2008 |
| 7275348 | Precast, prestressed concrete truss A precast, prestressed concrete truss which spans between exterior columns and forms an interior or exterior load bearing wall of a building. The truss includes top and bottom chords interconnected by at least one web member. Prestressed reinforcing members in the t... | 10/02/2007 |
| 7225593 | Post-framing system The present invention provides a post-framing system for building construction. The post-framing system includes support posts and wall sections that can be prefabricated and transported to the job site for assembly. The support posts are at least 3-ply, having an u... | 06/05/2007 |
| 7182235 | Frame assembly for carton die cutting machine A jogger is provided for aligning carton blanks die cut from a sheet supported on inner grid mounted to an outer frame for a lower blanking tool of a carton die cutting machine. The jogger includes a plate member defining inner and outer faces. The plate member havi... | 02/27/2007 |
| 7178297 | Structures incorporating interlocking wall modules Modular structures constructed from interlocking wall modules made of plate steel and assembled with C-channel connectors, including tongue and groove elements used to position adjoining modules adjacent to one another, for example during the construction of a cell ... | 02/20/2007 |
| 7100332 | Unfolding modular building system The unfolding modular building system includes a main floor section having a plurality of square frames having inverted pyramidal support assemblies depending therefrom, hinged corner sections defining wall frames, hinged roof support and truss sections defining gab... | 09/05/2006 |
| 7024827 | Preconstruction anchoring system and method for buildings A system and method of installing a preconstruction support system for a building, according to which the corresponding ends of two piling sections are connected together and an a auger is provided on one or more of the piling sections. The piling sections are drive... | 04/11/2006 |
| 7017311 | Panel for modular construction The invention provides a panel for modular construction of partitions and walled structures, the panel having a top, a bottom, two major surfaces and two minor side surfaces, a first of the side surfaces being provided with a first profile and a second of the side s... | 03/28/2006 |
| 6931803 | Modular building system A modular building system includes a plurality of extruded plastic beams that are stacked and interlocked using a tongue and groove interengagement. Plastic connecting components are provided for interlocking the horizontal beams to a vertical column. ... | 08/23/2005 |
| 6892507 | Insulated panel for commercial or residential construction and method for its manufacture A method and apparatus for making an rigid foam insulating panel is disclosed. The panel includes an rigid foam sheet with a plurality of grooves or recesses in which reinforcing strips are placed. Both sides of the sub-assembly are covered with a reinforcing sheet ... | 05/17/2005 |
| 6802160 | Building structure utilizing modular building elements A building structure formed from modular building elements, which include first modular building elements (1,9) having socket beam interconnection means (2), second modular building elements (13,14,15) and socket beams (7, 11) having firs... | 10/12/2004 |
| 6802168 | Modular wall panel system with cooperatively tapered connector pins and slots A modular wall panel system in which individual panels are constructed with a lightweight aluminum frame. In a preferred embodiment, the frame is substantially filled with a foam core material and decorative display surfaces are affixed to opposite sides thereof. On... | 10/12/2004 |
| 6789367 | Sandwich panel, insert therefor, structure comprising sandwich panels and method of joining such panels A sandwich panel including a core material sandwiched between plate members, and an insert member locally replacing the core and having a profile so as to intermesh with an appropriately profiled member on the unit to which it to be connected as well as a method of ... | 09/14/2004 |
| 6754999 | Building construction system A structural system with a plurality of metal framed load bearing walls formed in one or more sections with a support post connected in line to the ends of each load bearing wall. A plurality of metal framed roof trusses in one or more sections parallel with and con... | 06/29/2004 |
| 6679021 | Modular wall segments A modular wall segment for constructing a wall includes two walling sheets of selected size and shape bonded to the opposite faces of a plurality of contiguously placed aerated concrete blocks. The segments may be formed with end faces defining slots of v... | 01/20/2004 |
| 6622445 | Modular wall block with mechanical anchor pin A modular wall block is adapted for being assembled together with a number of like blocks in stacked courses to form a retaining wall. The wall block includes a front and rear, top and bottom, and opposing sides. A generally J-shaped anchor has a connecti... | 09/23/2003 |
| 6550198 | Wall construction A wall construction comprises block members or sections stacked vertically about five high and abutting horizontally to form a wall. Each block member or section comprises a top plate, bottom plate and two side studs. The block members are attached side b... | 04/22/2003 |
| 6532707 | Structural systems and elements therefor A structural system comprises a set of elements including two or more plank members 10, which are preferably hollow and divided by interior partitions 12 into longitudinally extending compartments 13. The plank members 10 are open at each end, and are int... | 03/18/2003 |
| 6438915 | Pre-fabricated wall panel A pre-fabricated wall panel for providing a new type of wall structure. The pre-fabricated wall panel includes a panel member having a thickness and a cavity disposed therein and extending a length thereof with the panel member further having a first side... | 08/27/2002 |
| 6415567 | Furniture post top cap attachment and trim registry A partition for spatially dividing open building space and the like including a plurality of frames having adjacent frame ends interconnected by vertically spaced connector brackets to define a post-simulating joint and a trim system for the plurality of ... | 07/09/2002 |
| 6367215 | Modular construction system A modular construction system utilizes building components or panels formed of high strength plasticized concrete. Panels are formed with two or more linear peripheral edges fitted with mortises. FRP pultruded tenons are used to connect aligned mortises f... | 04/09/2002 |
| 6367212 | Fire-retardant roof construction A fire-retardant roof construction in a building wherein a fire-resistant wall separates a first room from a second room and supports purlins which carry a roof cladding fire-retardant roof construction. A first set of parallel purlins extends over the fi... | 04/09/2002 |
| 6314704 | Composite structural building panels and connections systems A structural building panel including a composite truss member having transverse truss elements defining an undulated shape, and first and second composite skins, formed by a pultrusion process. A composite connector extends along a side edge of the panel... | 11/13/2001 |
| 6298619 | Modular building frame system A building is constructed employing a base plate adapter mounted by a base plate to the exposed end of a rod imbedded in a concrete pad. The base plate adapter has upright sidewalls enclosing a first insulated wall panel. The next upper wall panel is conn... | 10/09/2001 |
| 6250022 | Extendible shed An extendible shed which includes a first base panel having a back panel attached thereto, a first plurality of side panels attached to the back panel, a first roof panel connected to the first plurality of side panels and a front panel connected to the f... | 06/26/2001 |
| 6223480 | Pre-cast concrete panels for construction of a building A building made substantially of pre-cast components is disclosed. The building comprises of pre-cast concrete walls, floors and columns; the walls and columns being made of pre-cast concrete wall panels; and floors being made of pre-cast concrete slabs. ... | 05/01/2001 |
| 6128877 | Variable width end panel A variable width panel includes a frame having a knock-down construction adapted for on-site assembly. The frame includes a first rigid stile adapted to be disposed in a generally vertical assembled orientation along a first side of the frame. At least tw... | 10/10/2000 |
| 6076319 | Precast concrete construction and construction method The building system employs precast corners (16) and elongated walls (12) with integral footings (14 and 18) to construct a foundation and basement. Precast first elongated wall sections (50) and corner sections (52) and floor slabs form a first level. Up... | 06/20/2000 |
| 6041563 | Fixing device for fixing panels to a building, and building provided with panels fixed with said fixing device The invention relates to a fixing device for fixing at least one facing panel (4) to a building. The fixing device comprises at least one frame section (2) which can form part of a framework (1) to be fitted around the facing panel (4). The fixing device ... | 03/28/2000 |
| 6000179 | Stacking panel and off-module panel connections A partition construction is provided for subdividing a building workspace wherein a first panel has a first frame with a horizontal top frame member and a vertical first side frame member, a second panel has a second frame with a horizontal bottom frame m... | 12/14/1999 |
| 5992110 | Wall panels and joint structures A wall panel and joint structure for erecting structurally sound, thermally efficient and inexpensive structures for human habitat. Each wall panel includes a foam core faced on each side with reinforced cementitious facing panels, the foam edges of the c... | 11/30/1999 |
| 5987827 | Concrete building construction and method In a building construction individual concrete panels are formed utilizing a horizontal casting platform to tailor the panels to meet structural and aesthetic requirements with each panel having abutting joints that interlock. The method of installing the... | 11/23/1999 |
| 5974757 | Privacy enclosure Enclosure 1 constructed of panels 20 which can be joined by tongue and groove or press fit spline 46 and groove 26 technique. Acoustic shielding is achieved by properly selected materials of construction, e.g. syntactic, cellular composites. The doorway 1... | 11/02/1999 |
| 5890332 | Reconstituted wood block modular building system A reconstituted wood block modular building system utilized to build at least a wall that includes a concrete slap, a plurality of anchor bolts, a plurality of vertically-oriented steel rods, a plurality of threaded sleeves, a plurality of reconstituted w... | 04/06/1999 |
| 5881519 | Housing assembly A house may be assembled from a plurality of vertically-cast wall sections and produce an aesthetically pleasing, highly desirable home at reduced cost.... | 03/16/1999 |
| 5864998 | Modular structural members A plurality of extruded aluminum structural modules of selected different peripheral sizes are configured to be disposed in adjacent coacting positions so that a selected number of such modules assembled together form a peripherally enclosed modular struc... | 02/02/1999 |
| 5842318 | Lumber-compatible lightweight metal construction system The lightweight metal construction system begins with a beam formed from a single piece of cold formed sheet steel or other sheet metal which is bent lengthwise along four lines to form a triangular cross-section with two wings, side-by-side, extending fr... | 12/01/1998 |