E01F 8/00
Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
Official title: Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic (ground installations for reducing aircraft noise B64F1/26; general building constructions for absorbing or reflecting noise, noise absorption or reflection for buildings E04B1/74)
E01F8/00 (Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic) appears on 398 US grants and 279 published applications in this corpus.
Search patents in E01F- Granted patents
- 398
- Published applications
- 279
- Assignees
- 198
- Inventors
- 614
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 16 | 0 |
| 1996 | 15 | 0 |
| 1997 | 17 | 0 |
| 1998 | 14 | 0 |
| 1999 | 14 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 4 |
| 2002 | 12 | 6 |
| 2003 | 6 | 6 |
| 2004 | 7 | 9 |
| 2005 | 3 | 13 |
| 2006 | 5 | 45 |
| 2007 | 2 | 8 |
| 2008 | 4 | 6 |
| 2009 | 9 | 9 |
| 2010 | 18 | 14 |
| 2011 | 19 | 12 |
| 2012 | 10 | 11 |
| 2013 | 11 | 16 |
| 2014 | 10 | 8 |
| 2015 | 9 | 7 |
| 2016 | 2 | 13 |
| 2017 | 10 | 9 |
| 2018 | 3 | 7 |
| 2019 | 9 | 14 |
| 2020 | 5 | 10 |
| 2021 | 5 | 15 |
| 2022 | 10 | 12 |
| 2023 | 9 | 6 |
| 2024 | 8 | 5 |
| 2025 | 9 | 4 |
| 2026 | 1 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Noise control device11 Aug 2026US 12,706,561 B2
- Post for a sound wall and sound wall employing the same16 Dec 2025US 12,497,742 B2Ail International Inc.
- Noise barriers and methods of their manufacture14 Oct 2025US 12,442,182 B2
- Precast traffic barrier soundwall2 Sep 2025US 12,404,643 B2CDS & Co. Manufacturing Limited
- Interference noise-control unit10 Jun 2025US 12,325,966 B2Wavebreaker AB
- Anti-graffiti system6 Aug 2026US 2026/0225398 A1Matryx Pty Ltd
- Sound-reduction system for outdoor court sports14 May 2026US 2026/0132579 A1
- Metabarrier for sound mitigation16 Apr 2026US 2026/0105903 A1Temple University of the Commonwealth System of Higher Education
- Reconfigurable acoustic metamaterials, reconfigurable noise barriers, and methods of tuning noise barriers26 Mar 2026US 2026/0085479 A1Purdue Research Foundation
- Methods of manufacturing sustainable articles19 Mar 2026US 2026/0077541 A1Pretred, Inc.
Most cited
By later US patents
- Building structures355US 5,247,773 A1993
- Energy absorbing barrier221US 4,681,302 A1987
- Construction units for the erection of walls and method of utilization136US 4,524,551 A1985
- Perforated honeycomb129US 5,180,619 ASupracor Systems, Inc. · 1993
- Contoured seat cushion comprised of honeycomb cores125US 5,617,595 ASupracor Systems, Inc. · 1997