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| Number | Title | Issue Date |
| 7550175 | Method for selecting an asphalt mixture for making an interlayer and method of making an interlayer A system for repairing roads is provided. The system includes a highly strain tolerant, substantially impermeable, reflective crack relief interlayer. The interlayer includes a polymer modified asphalt binder mixed with a dense fine aggregate mixture. About 100% of ... | 06/23/2009 |
| 7316520 | Low surface area shearing device An apparatus for use in shearing paving material applied to a surface is provided. This apparatus includes a blade for shearing the asphalt mixture to a desired thickness, cylinders for raising and lowering the blade in response to elevational changes in the surface... | 01/08/2008 |
| 7279035 | Method of selecting a binder for a chipsealing process based on its adhesion index A method of selecting a binder for a chipsealing process is provided. This method includes measuring the Adhesion Index of at least one binder and selecting a binder with a desirable Adhesion Index for the chipsealing process. The selected binder should have an Adhe... | 10/09/2007 |
| 7275890 | Cold in-place recycling of bituminous material A method of reconstructing a road is provided. This method includes taking representative cores of the road, analyzing the cores, selecting a substantially solvent-free emulsion based on climate history, mixing the emulsion and reclaimed asphalt pavement particles t... | 10/02/2007 |
| 7213446 | Method of selecting a bituminous emulsion based on its coalescence A method of selecting a bituminous emulsion with enhanced performance for paving is provided. This method includes selecting polymer modified bitumen with a penetration value of about 25 to 450 dmm at 25° C. and selecting one or more emulsifiers comprised of at lea... | 05/08/2007 |
| 7108450 | Portable drag box with automated shearing device A drag box for use in applying cold mix asphalt paving material to a surface includes a pugmill for distributing the cold mix over the surface, a strike blade for shearing the asphalt mixture to a desired thickness, cylinders for raising and lowering the strike blad... | 09/19/2006 |
