E01F 8/0029
With porous surfaces
Official title: {with porous surfaces, e.g. concrete with porous fillers}
E01F8/0029 (With porous surfaces) appears on 52 US grants and 40 published applications in this corpus.
Search patents in E01F- Granted patents
- 52
- Published applications
- 40
- Assignees
- 37
- Inventors
- 100
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 3 | 3 |
| 2013 | 0 | 4 |
| 2014 | 3 | 3 |
| 2015 | 0 | 1 |
| 2016 | 0 | 3 |
| 2017 | 3 | 3 |
| 2018 | 2 | 0 |
| 2019 | 2 | 4 |
| 2020 | 1 | 2 |
| 2021 | 0 | 3 |
| 2022 | 4 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Noise control device11 Aug 2026US 12,706,561 B2
- Sound dampening barrier wall11 Jun 2024US 12,006,643 B2Mute Wall Systems, Inc.
- Sound-absorbing construction component having extinguishing profiles and sound protection wall27 Sep 2022US 11,455,978 B2Liaver GmbH & Co. KG
- Methods for forming noise absorbing barrier walls and related forms2 Aug 2022US 11,400,621 B2Intellectual Property Management, LLC
- Highway sound barrier system5 Jul 2022US 11,377,804 B2Phoenix Foam Manufacturing, LLC
- Anti-graffiti system6 Aug 2026US 2026/0225398 A1Matryx Pty Ltd
- Methods of manufacturing sustainable articles19 Mar 2026US 2026/0077541 A1Pretred, Inc.
- Reinforced sustainably-produced articles19 Mar 2026US 2026/0078553 A1Pretred, Inc.
- Sustainable crash cushions19 Mar 2026US 2026/0078554 A1Pretred, Inc.
- Noise control device24 Nov 2022US 2022/0376647 A1
Most cited
By later US patents
- Concrete panel construction system39US 6,698,150 B1Brentmuir Developments (1993) Limited · 2004
- Acoustical barrier34US 4,325,457 ADurisol Materials Limited · 1982
- Sound insulating wall made from composite rubber material32US 3,948,009 ABayer Aktiengesellschaft · 1976
- Multi layer sound-proofing structure32US 4,094,380 AChiyoda Chemical Engineering & Construction Co., Ltd. · 1978
- Fly ash composites and methods for making same25US 6,200,379 B1Midway Environmental Associates, Inc. · 2001