Bouygues
17Patents
0Active
17Granted
32Portfolio score
Filing activity: Jan 17, 1978 → Mar 16, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6723162B1 | Concrete comprising organic fibres dispersed in a cement matrix, concrete cement matrix and premixes | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4694622A | Concrete structural elements, process and device for manufacturing these elements | Performing Operations; Transporting | 31 | Expired |
| US5522926A | Method and a composition for preparing concrete elements having remarkable compressive strength and fracture energy, and elements obtained thereby | Chemistry; Metallurgy | 19 | Expired |
| US5895688A | Process for spraying concrete or mortar | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5503670A | Metal fiber concrete compositions for molding concrete elements, elements obtained and curing process | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4648223A | Concrete structure, block for making such structure and method of making such structure | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4625354A | Bridge with prefabricated sections and with external prestressing by cables | Fixed Constructions | 11 | Expired |
| US4620400A | Prestressed concrete structure, a method of producing this structure, and elements for implementing the method | Fixed Constructions | 11 | Expired |
| US4642830A | Bridge truss, bridge span including such trusses, and method of constructing the truss | Fixed Constructions | 7 | Expired |
| US4589157A | Apparatus for the construction of a bridge floor and similar structures, and constructions which are obtained | Fixed Constructions | 7 | Expired |
| US4529567A | Process and device for manufacturing concrete structural elements | Performing Operations; Transporting | 7 | Expired |
| US6332920A | Slag for cementing a well, in particular an oil well | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4726923A | Method of making concrete structures of prefabricated blocks | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4653959A | Ballastable concrete base for an offshore platform | Fixed Constructions | 2 | Expired |
| US4170383A | Tunneling machines and other cutting machines | Fixed Constructions | 1 | Expired |
| US4433525A | Method and a device for extending the deck of a bridge or similar structures, with desk segments, using a cable stayed beam | Fixed Constructions | 0 | Expired |
| US4171148A | Continuous boring or cutting machine | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.