E02D 29/02
Retaining or protecting walls
Official title: Retaining or protecting walls (piers or quay walls E02B3/06)
E02D29/02 (Retaining or protecting walls) appears on 1,277 US grants and 1,022 published applications in this corpus.
Search patents in E02D- Granted patents
- 1,277
- Published applications
- 1,022
- Assignees
- 481
- Inventors
- 1,381
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 12 | 0 |
| 1985 | 11 | 0 |
| 1986 | 15 | 0 |
| 1987 | 24 | 0 |
| 1988 | 12 | 0 |
| 1989 | 21 | 0 |
| 1990 | 29 | 0 |
| 1991 | 32 | 0 |
| 1992 | 25 | 0 |
| 1993 | 16 | 0 |
| 1994 | 17 | 0 |
| 1995 | 21 | 0 |
| 1996 | 44 | 0 |
| 1997 | 31 | 0 |
| 1998 | 42 | 0 |
| 1999 | 28 | 0 |
| 2000 | 37 | 0 |
| 2001 | 27 | 13 |
| 2002 | 36 | 33 |
| 2003 | 29 | 34 |
| 2004 | 30 | 40 |
| 2005 | 32 | 42 |
| 2006 | 36 | 45 |
| 2007 | 7 | 40 |
| 2008 | 29 | 54 |
| 2009 | 22 | 51 |
| 2010 | 31 | 41 |
| 2011 | 29 | 45 |
| 2012 | 27 | 43 |
| 2013 | 26 | 37 |
| 2014 | 43 | 45 |
| 2015 | 37 | 47 |
| 2016 | 28 | 39 |
| 2017 | 37 | 35 |
| 2018 | 43 | 47 |
| 2019 | 49 | 50 |
| 2020 | 46 | 32 |
| 2021 | 29 | 43 |
| 2022 | 27 | 38 |
| 2023 | 25 | 42 |
| 2024 | 33 | 41 |
| 2025 | 30 | 34 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modular wall system6 Oct 2026US 12,753,565 B2
- Wall block system25 Aug 2026US 12,716,187 B2Westblock Systems, Inc.
- Plantable retaining wall block and retaining walls thereof18 Aug 2026US 12,709,858 B2Cornerstone Wall Solutions Inc.
- Universal three-way round pile square pile threaded bar coupler usable with a tieback anchor11 Aug 2026US 12,703,953 B2
- Multi-axial integral geogrid and methods of making and using same28 Jul 2026US 12,691,630 B2Tensar International Corporation
- Wall block system1 Oct 2026US 2026/0297883 A1Westblock Systems, Inc.
- Anchoring member for a facing panel for stabilised earth structures24 Sep 2026US 2026/0286640 A1Officine Maccaferri S.P.A.
- Retaining-Wall Panel System And Flexible Reinforcement Mechanical Connection Method Therefor3 Sep 2026US 2026/0258628 A1Zhen's Corporation
- Retaining wall block and methods for making and installing same20 Aug 2026US 2026/0243045 A1
- Reinforcing composite material13 Aug 2026US 2026/0233488 A1Hyper Fibers S.R.L.
Most cited
By later US patents
- Concrete retaining wall block, retaining wall and method of construction therefore182US 4,920,712 AStonewall Landscape Systems, Inc. · 1990
- Retaining wall with flexible mechanical soil stabilizing sheet164US 4,914,876 AKeystone Retaining Wall Systems, Inc. · 1990
- Method of forming concrete retaining wall block164US 5,484,236 AAllan Block Corporation · 1996
- Masonry block retaining wall with attached keylock facing panels and method of constructing the same154US 5,788,423 AG. P. Industries, Inc. · 1998
- Modular block retaining wall system150US 5,816,749 AThe Tensar Corporation · 1998