E01C 3/06
Methods or arrangements for protecting foundations from destructive influences of moisture, frost
Official title: Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration {(heating devices E01C11/26; draining the subbase of roads E01F5/00)}
E01C3/06 (Methods or arrangements for protecting foundations from destructive influences of moisture, frost) appears on 135 US grants and 133 published applications in this corpus.
Search patents in E01C- Granted patents
- 135
- Published applications
- 133
- Assignees
- 85
- Inventors
- 224
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 3 |
| 2004 | 3 | 5 |
| 2005 | 2 | 2 |
| 2006 | 3 | 1 |
| 2007 | 3 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 1 | 3 |
| 2012 | 5 | 8 |
| 2013 | 4 | 4 |
| 2014 | 11 | 11 |
| 2015 | 7 | 9 |
| 2016 | 6 | 7 |
| 2017 | 8 | 10 |
| 2018 | 7 | 5 |
| 2019 | 9 | 8 |
| 2020 | 5 | 10 |
| 2021 | 4 | 8 |
| 2022 | 3 | 3 |
| 2023 | 9 | 6 |
| 2024 | 7 | 7 |
| 2025 | 8 | 10 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- In-situ reconstruction and extension structure of embankment and construction method thereof23 Sep 2025US 12,421,671 B2Changsha University of Science and Technology
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- Comprehensive climate adaptability permafrost subgrade hydrothermal regulation system11 Dec 2025US 2025/0376811 A1Harbin Institute of Technology
- Structural cell for facilitating tree root growth23 Oct 2025US 2025/0324930 A1DeepRoot Green Infrastructure, LLC
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Most cited
By later US patents
- Ground surface cover system with flexible interlocking joint for erosion control176US 6,685,391 B1Ackerstein Industries Ltd. · 2004
- Methods of making concrete runways, roads, highways and slabs on grade64US 8,636,941 B12014
- Expandable sand-grid for stabilizing an undersurface43US 4,797,026 AThe United States of America as represented by the Secretary of the Army · 1989
- Load supporting panel having impact absorbing structure42US 8,353,640 B2Brock USA, LLC · 2013
- Ground surfacing and erosion control device41US 5,160,215 A1992