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 |
| 7389621 | Rapidly deployable temporary modular structures and component elements thereof Modular structural components and structural connections including chords and forming strips. Each chord has a generally elongated square main body of four main walls surrounding a central bore and having a T-slot structure adapted to accept a bolt type fastener ext... | 06/24/2008 |
| 7370452 | Mat assembly for heavy equipment transit and support A mat assembly particularly suited for heavy equipment transit and support, such as roadway construction and the like. The mat assembly is made up of a number of structural members preferably having a “double I-beam” cross-sectional shape. Each I-beam has spaced... | 05/13/2008 |
| 6810628 | Jointing device A jointing device for joining elongate members in a building structure includes a first body section, a second body section, and a connection portion interconnecting the first and second body sections. Each body section has at least one flange portion for fixing to ... | 11/02/2004 |
| 6708459 | Sheet metal stud and composite construction panel and method A composite construction panel having a thin panel of concrete material and a reinforcing grid of sheet metal studs with embedment portions which are actually embedded into the concrete panel, each of the studs having a web, main web openings through the web, a righ... | 03/23/2004 |
| 6655104 | PC steel stranded wire connection structure and construction method thereof A joint made between prestressing strands with a prestressing strand coupler is covered with a transparent coupler sheath having a retarded-hardening resin filling material injection opening and discharge opening provided in a tube wall thereof, and a res... | 12/02/2003 |
| 4704830 | Increasing the load carrying capacity of beams This invention simplifies reworking of structures such as buildings having load bearing beam girders embedded therein with limited access thereto for increasing the load bearing capacity of the girders. It also permits the increase of load bearing capacit... | 11/10/1987 |
| 4524554 | Structural bracing system A building structure including a primary structure, secondary structural members supported on the primary structure, diagonal bracing means connected to and extending obliquely from the primary structure and the secondary structural members to increase th... | 06/25/1985 |
| 3978626 | Removable wire tie for adhesive applied wallboard installation Two abutting predecorated gypsum wallboards, being adhesively affixed to preformed sheet metal framing members, such as studs, are temporarily held firmly against a stud, which is disposed behind the joint between the two boards, by means including an elo... | 09/07/1976 |
