| RE48621 | Embedding photocatalytic titanium dioxide in asphalt surfaces to reduce pollutants via photocatalytic reactions | Oct 24, 18 | Jul 06, 21 | D&D Emulsions, Inc. |
| RE48220 | Embedding photocatalytic titanium dioxide in asphalt surfaces to reduce pollutants via photocatalytic reactions | Oct 24, 18 | Sep 22, 20 | D&D Emulsions, Inc. |
| 9965732 | Computer readable recording medium, roadwork planning method and information processing apparatus | Jul 12, 17 | May 08, 18 | Fujitsu Limited |
| 9932712 | Spiral ring full road interchange system | Jul 31, 14 | Apr 03, 18 | Not available |
| 9920489 | Roadway widening structure | Feb 13, 15 | Mar 20, 18 | Technologie Alpine de Securite-Tas, TECHNOLOGIE ALPINE DE SECURITE—TAS, |
| 9909269 | Diffractor for diffracting sound | Jul 07, 14 | Mar 06, 18 | 4SILENCE B.V. |
| 9873333 | Paved structure and construction method for paved structure | Aug 28, 13 | Jan 23, 18 | TOA ROAD CORPORATION |
| 9869063 | Stringless paving train method and apparatus | Feb 10, 14 | Jan 16, 18 | GOMACO Corporation |
| 9855847 | Trough, paved structure, and construction method for paved structure | Aug 12, 13 | Jan 02, 18 | TOA ROAD CORPORATION |
| 9834892 | Pneumatic roadway energy recovery system | Nov 02, 15 | Dec 05, 17 | KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS |
| 9732477 | Apparatus and method for controlling airborne pollution | Oct 08, 13 | Aug 15, 17 | ENVISION SQ INC. |
| 9735712 | Roadway renewable energy generation system and method | Mar 14, 14 | Aug 15, 17 | ERICKSON, Michael J |
| 9702094 | Method and apparatus for forming tunnels and tunnels formed thereby | Jan 24, 14 | Jul 11, 17 | Not available |
| 9453321 | Stake driver apparatus | Aug 13, 14 | Sep 27, 16 | Not available |
| 9441331 | Stacked city road | Dec 21, 12 | Sep 13, 16 | Not available |
| 9303368 | Method for scanning and repairing road corrosion and apparatus therefor | Jul 30, 14 | Apr 05, 16 | Not available |
| 9267306 | Multi-storey buildings built over road air-spaces | Aug 04, 13 | Feb 23, 16 | Not available |
| 9139960 | Paving with a pollution-abating activity and a photocatalytic mixture for its preparation | Apr 28, 09 | Sep 22, 15 | ITALCEMENTI S.P.A. |
| 9133585 | System of superstructures and section presenting such system of superstructures | Nov 25, 11 | Sep 15, 15 | Not available |
| 9091027 | Asphalt composition | Nov 30, 09 | Jul 28, 15 | NUTECH VENTURES |