Colas S.A.
10Patents
0Active
10Granted
28Portfolio score
Filing activity: Feb 22, 1990 → Dec 29, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5279500A | Apparatus for spreading a road surfacing material | Fixed Constructions | 30 | Expired |
| US5324136A | Apparatus for spreading bonding emulsion or similar material for road asphalt | Fixed Constructions | 13 | Expired |
| US5178486A | Device for spreading a fluid substance, and machine permitting the simultaneous application of this substance and of the surfacing of a highway | Fixed Constructions | 5 | Expired |
| US5849070A | Compound binder, process for obtaining it and its application in highway surfacings | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5893679A | Process and a machine for the implementation of a bonding layer and road-type coating comprising such a layer | Fixed Constructions | 3 | Expired |
| US5024552A | Method of obtaining a composite sealing structure for permanent roadways | Fixed Constructions | 2 | Expired |
| US5190399A | Road vehicle for the spreading of materials for repair of the highway, with integrated compactor | Fixed Constructions | 0 | Expired |
| US5310118A | Mechanical actuating device for opening or closing a valve controlling a nozzle movable along a present trajectory | Fixed Constructions | 0 | Expired |
| US5807429A | Compound binder, process for obtaining it and application in highway surfacing | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6187428A | Wheel rut-resistant carriageway and process for obtaining such a carriageway | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.