E02D 31/14
Against frost heaves in soil
Official title: against frost heaves in soil
E02D31/14 (Against frost heaves in soil) appears on 41 US grants and 28 published applications in this corpus.
Search patents in E02D- Granted patents
- 41
- Published applications
- 28
- Assignees
- 29
- Inventors
- 91
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 6 |
| 2017 | 1 | 1 |
| 2018 | 4 | 2 |
| 2019 | 5 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pile with an upheaval resistant sleeve30 Jun 2026US 12,668,942 B2
- Transmission line tower base with electrothermal air-blowing anti-frost heave function for permafrost regions30 Dec 2025US 12,509,843 B1Northwest Institute of Eco-Environment and Resources, Cas
- Anti-frost heave pile foundation support device21 Oct 2025US 12,448,751 B1Northwest Institute of Eco-Environment and Resources, Cas
- Rod-type pile foundation for preventing pile body from being heaved and operating method thereof20 Aug 2024US 12,065,797 B1Northwest Institute of Eco-Environment and Resources, Cas
- Cement form with brick ledge2 Apr 2024US 11,946,266 B2Mono Slab Ez Form LLC
- Pile with an upheaval resistant sleeve13 Feb 2025US 2025/0052030 A1
- Cement form with brick ledge9 May 2024US 2024/0151048 A1Mono Slab Ez Form LLC
- Ribbed slab foundation for cylindrical refrigerated tanks for liquified gas storage25 Jan 2024US 2024/0026630 A1Technip Energies France
- Cement Form With Brick Ledge11 Nov 2021US 2021/0348401 A1Mono Slab Ez Form LLC
- Insulation system for a building25 Feb 2021US 2021/0054589 A11563100 Alberta Ltd.
Most cited
By later US patents
- High-flow void-maintaining membrane laminates, grids and methods34US 7,131,788 B2Advanced Geotech Systems · 2006
- Concrete form18US 5,890,333 A1999
- Chilled gas pipeline installation and method16US 4,464,082 ANorthwest Alaskan Pipeline Company · 1984
- Box void15US 4,685,267 ADeslauriers, Inc. · 1987
- Apparatus and method for building a foundation for uprights or for making passages therethrough15US 5,295,766 A1994