Assignee
COLAS SA
FR28 patents
Top patents by PatentIndex Score
US5769567AJun 23, 1998
Process and machine for the implementation of a bonding layer and road type coating comprising such a layer
COLAS SA18 citations88
US5324136AJun 28, 1994
Apparatus for spreading bonding emulsion or similar material for road asphalt
COLAS SA21 citations88
US6559206B1May 6, 2003
Bitumen and filled resin emulsion for road surfacing emulsion
COLAS SA38 citations87
US5279500AJan 18, 1994
Apparatus for spreading a road surfacing material
COLAS SA50 citations86
US6576050B1Jun 10, 2003
Method for preparing a bitumen emulsion, corresponding bitumen emulsion and use thereof
COLAS SA35 citations84
US6402421B1Jun 11, 2002
Discontinuance device for a central reserve
COLAS SA26 citations81
US7569627B2Aug 4, 2009
Hot melt binder for asphalt product with reduced production temperature and applications of said binder
COLAS SA23 citations80
US7448826B2Nov 11, 2008
Modular device for simultaneously spreading cut fibers and binders and a spreading machine
COLAS SA24 citations80
US9115284B2Aug 25, 2015
Binder modified with glycerol for making asphalt mixes with a hicontent of recycled bituminous materials
COLAS SA7 citations79
US7758686B2Jul 20, 2010
Binder of vegetable nature for the production of materials for building and/or civil engineering
COLAS SA11 citations78
US7951238B2May 31, 2011
Method for preparing fatty acid esters of natural origin functionalized by oxidation for use as fluxing oils for bitumen
COLAS SA11 citations77
US6225371B1May 1, 2001
Reflective thoroughfare pavements or related elements, and corresponding composition
COLAS SA17 citations70
US6106604AAug 22, 2000
Bitumen emulsion, process of producing a bitumen emulsion and process of producing a bituminous material for the construction or maintenance of pavements
COLAS SA12 citations69
US5893679AApr 13, 1999
Process and a machine for the implementation of a bonding layer and road-type coating comprising such a layer
COLAS SA7 citations69
US6333068B1Dec 25, 2001
Drying time accelerator for a water-based paint, corresponding paint, and method of application
COLAS SA12 citations68
US5178486AJan 12, 1993
Device for spreading a fluid substance, and machine permitting the simultaneous application of this substance and of the surfacing of a highway
COLAS SA8 citations68
US7670420B2Mar 2, 2010
Binder of vegetable nature for the production of materials for building and/or civil engineering
COLAS SA7 citations67
US5849070ADec 15, 1998
Compound binder, process for obtaining it and its application in highway surfacings
COLAS SA14 citations65
US10442872B2Oct 15, 2019
Biosourced polymer for manufacturing, via catalytic carbonation, a non-bituminous polyhydroxyurethane binder for roadway or civil engineering-related uses
COLAS SA3 citations62
US5354148AOct 11, 1994
Apparatus for spreading a bonding emulsion, or similar fluids, and road-building machine
COLAS SA6 citations60
US5190399AMar 2, 1993
Road vehicle for the spreading of materials for repair of the highway, with integrated compactor
COLAS SA4 citations59
US10619314B2Apr 14, 2020
Apparatus for in-place recycling of materials forming part of a roadway pavement, and crusher for milling debris from a roadway pavement
COLAS SA2 citations55
US5807429ASep 15, 1998
Compound binder, process for obtaining it and application in highway surfacing
COLAS SA2 citations54
US5310118AMay 10, 1994
Mechanical actuating device for opening or closing a valve controlling a nozzle movable along a present trajectory
COLAS SA1 citations49
US5024552AJun 18, 1991
Method of obtaining a composite sealing structure for permanent roadways
COLAS SA6 citations47
US6187428B1Feb 13, 2001
Wheel rut-resistant carriageway and process for obtaining such a carriageway
COLAS SA2 citations44
US11885476B2Jan 30, 2024
Illuminating panel integrated into a traversable surface
COLAS SA0 citations40
US12195396B2Jan 14, 2025
Composition for surfacing lightly trafficked thoroughfares, allowing plant growth to be limited or even completely suppressed
COLAS SA0 citations31