Famous Patents
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 |
| 7162847 | Apparatus and method for fabricating foam wall panels A foam wall panel system with a unique Z-shaped wall panel connection device. The Z-shape of the wall panel connection device provides cavities on each side which accept the angled edges of foam wall panels that fit within the cavities. Adjacent foam cores having an... | 01/16/2007 |
| 7143554 | Composite column and beam framing members for building construction Composite framing members for use in building construction include reinforced concrete columns and beams surrounded by a pair of steel shells. A layer of protective material is applied to the interior surface of at least one shell prior to assembly of the shell to p... | 12/05/2006 |
| 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 |
| 6718712 | Structural panel and method of fabrication Structural panels are provided which utilize commercially available components and a cost effective method of fabrication. The structural panels include commercially available trusses, fillers positioned between and aligned with the trusses and sandwiched to form a ... | 04/13/2004 |
| 6164031 | Resilient flooring A resilient flooring formed over a base floor which includes a plurality of parallel spaced channel members secured with the base floor. Each channel member which forms a channel includes a base, spaced vertical sides and inwardly directed rims secured at... | 12/26/2000 |
| 5473848 | Trapezium-shaped aqueously-swelling concrete joint-sealing article and method A shaped, water-expandable water-sealing article used for sealing an area between a first section of at least partially cured concrete and a second, adjacent section of substantially uncured concrete. The clay water sealing article is in the shape of a qu... | 12/12/1995 |
| 5454203 | Frame brace The present invention comprises a metal brace consisting of a strip of sheet metal the side portions of which are doubled over or bent through about 180 degrees, so that the strip, or at least a nailing flange of the strip, is of double thickness sheet me... | 10/03/1995 |
| 4905440 | Composite column or beam for building construction A composite metal-concrete column or beam is described for use in building construction. It comprises (a) a pair of channel members fabricated of galvanized steel sheet, each channel member having a central web portion and first and second flanges substan... | 03/06/1990 |
| 4584807 | Composite soffit of plastic material and furring strips Soffits for interior construction purposes are preformed from U-shaped foam material having inset furring strips for attaching the soffits to walls and/or ceilings and, in some cases, for also hanging cabinets from the soffits. The preformed soffits are b... | 04/29/1986 |
| 4573301 | Interlocking building blocks Interlocking blocks for erecting a wall assembly formed by building blocks laid up in end to end abutting relation by multiple staggered block courses. The blocks of the wall assembly are characterized by at least one opening extending between its top and... | 03/04/1986 |
| 4312158 | Fire-resistant demountable partition structure A fire rated, demountable partition structure is disclosed which provides H-shaped studs having a core of combustion-resistant insulation material and opposed channel-shaped metal members secured to opposite faces thereof. Spline clips secure one side of ... | 01/26/1982 |
