of bowstring type

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Patents Grantslast 30 patents

Information Patent Grant
Support construction having increased structural dampening
- Patent number 9,062,456
- Issue date Jun 23, 2015
- VSL International AG
- Johann Kollegger
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Extended-span and alternatively-shaped arch bridge and construction...
- Patent number 8,997,292
- Issue date Apr 7, 2015
- Shenzhen Bridge Design & Research Institute Co., Ltd.
- Yong Li
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Prestressed composite truss girder and construction method of the same
- Patent number 6,915,615
- Issue date Jul 12, 2005
- Dae Yon Won
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
2057168
- Patent number 2,057,168
- Issue date Oct 13, 1936
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
1632014
- Patent number 1,632,014
- Issue date Jun 14, 1927
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
1611793
- Patent number 1,611,793
- Issue date Dec 21, 1926
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
1441387
- Patent number 1,441,387
- Issue date Jan 9, 1923
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES