Noise abatement wall
US7308965B2 · kind B2 · utility
17Cited by
20References
22Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 19, 2003 |
| Grant date | Dec 18, 2007 |
| Priority date | — |
| Expiry date | Feb 5, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2001/8419
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A noise-absorbing device includes a substantially flat base and embossed and/or hollow elements each including at least one recess. This base reveals with the embossed and/or hollow elements, a configuration exhibiting a fractality zone of between 1 cm and 50 cm, of fractal dimension greater than 2.5 enabling the localization of the waves over the sound frequency range, in the vicinity of the elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.