E02D 1/00
Investigation of foundation soil in situ
Official title: Investigation of foundation soil in situ (investigation involving boring or specially adapted to earth drilling E21B25/00, E21B49/00; investigating or analysing materials by determining their chemical or physical properties, in general G01N, e.g. sampling G01N1/00)
E02D1/00 (Investigation of foundation soil in situ) appears on 468 US grants and 377 published applications in this corpus.
Search patents in E02D- Granted patents
- 468
- Published applications
- 377
- Assignees
- 324
- Inventors
- 1,108
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 8 | 5 |
| 2003 | 11 | 8 |
| 2004 | 11 | 16 |
| 2005 | 5 | 8 |
| 2006 | 9 | 8 |
| 2007 | 13 | 9 |
| 2008 | 6 | 8 |
| 2009 | 9 | 8 |
| 2010 | 7 | 17 |
| 2011 | 4 | 13 |
| 2012 | 8 | 9 |
| 2013 | 11 | 7 |
| 2014 | 10 | 9 |
| 2015 | 6 | 27 |
| 2016 | 13 | 31 |
| 2017 | 26 | 19 |
| 2018 | 15 | 18 |
| 2019 | 21 | 26 |
| 2020 | 28 | 27 |
| 2021 | 20 | 17 |
| 2022 | 19 | 21 |
| 2023 | 17 | 12 |
| 2024 | 12 | 24 |
| 2025 | 20 | 17 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Complex soil rotational penetrometer device25 Aug 2026US 12,716,186 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Evaluation method of ductility of grouted rock mass for advanced renovation of water-sand mixture inrush area26 May 2026US 12,638,434 B2China University of Mining and Technology
- Engineering method for reinforcing and lifting a sunken foundation of a residential building12 May 2026US 12,624,517 B2Beijing Hengxiang Hongye Foundation Reinforcement Technology Co., Ltd.
- System for remotely operated subsurface measurements28 Apr 2026US 12,612,752 B2Fnv IP B.V.
- Thermal conductivity probe10 Mar 2026US 12,571,750 B2Seas Geosciences, LLC
- System for remotely operated subsurface measurements10 Sep 2026US 2026/0266013 A1Fnv IP B.V.
- Settlement monitoring and treatment method for widened embankment with inclined-vertical pile retaining structure, apparatus, and tool27 Aug 2026US 2026/0250924 A1Tianjin University
- Cone penetrometer test framework13 Aug 2026US 2026/0234888 A1Schlumberger Technology Corporation
- Thermal conductivity probe23 Jul 2026US 2026/0210887 A1Seas Geosciences, LLC
- Geotechnical ground information prediction using machine learning23 Jul 2026US 2026/0212280 A1Fnv IP B.V.
Most cited
By later US patents
- Method and system to locate leaks in subsurface containment structures using tracer gases220US 6,035,701 A2000
- Soil compaction measurement107US 6,604,432 B1BBN Corporation · 2003
- Soil sampler apparatus and method105US 7,255,016 B22007
- Method and apparatus for determining the performance of a compaction machine based on energy transfer97US 6,188,942 B1Caterpillar Inc. · 2001
- Mobile turf instrument apparatus having driven, periodically insertable, ground penetrating probe assembly89US 7,628,059 B1The Toro Company · 2009