E02D 1/02
Before construction work
Official title: before construction work
E02D1/02 (Before construction work) appears on 379 US grants and 293 published applications in this corpus.
Search patents in E02D- Granted patents
- 379
- Published applications
- 293
- Assignees
- 257
- Inventors
- 889
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 8 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 5 |
| 2003 | 10 | 8 |
| 2004 | 11 | 15 |
| 2005 | 4 | 7 |
| 2006 | 9 | 6 |
| 2007 | 10 | 7 |
| 2008 | 6 | 7 |
| 2009 | 7 | 8 |
| 2010 | 6 | 16 |
| 2011 | 4 | 10 |
| 2012 | 7 | 7 |
| 2013 | 8 | 5 |
| 2014 | 9 | 7 |
| 2015 | 3 | 18 |
| 2016 | 8 | 23 |
| 2017 | 16 | 13 |
| 2018 | 11 | 14 |
| 2019 | 17 | 21 |
| 2020 | 21 | 21 |
| 2021 | 18 | 13 |
| 2022 | 15 | 17 |
| 2023 | 14 | 8 |
| 2024 | 7 | 14 |
| 2025 | 16 | 13 |
| 2026 | 3 | 10 |
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
- System for remotely operated subsurface measurements28 Apr 2026US 12,612,752 B2Fnv IP B.V.
- Dynamic settlement in-situ dynamic test bench and test method for foundation soil27 Jan 2026US 12,534,865 B2Xi'an University of Technology
- Prediction apparatus and method for N value using artificial intelligence and data augmentation9 Dec 2025US 12,493,823 B2Hyundai Engineering Co., Ltd.
- Ultrasonic borescope for drilled shaft inspection11 Nov 2025US 12,468,141 B2Aver Technologies, Inc.
- System for remotely operated subsurface measurements10 Sep 2026US 2026/0266013 A1Fnv IP B.V.
- Cone penetrometer test framework13 Aug 2026US 2026/0234888 A1Schlumberger Technology Corporation
- Geotechnical ground information prediction using machine learning23 Jul 2026US 2026/0212280 A1Fnv IP B.V.
- Method and device for foundation bearing capacity test based on physical modeling25 Jun 2026US 2026/0177465 A1China Institute of Water Resources and Hydropower Research
- Protection for a penetrometer18 Jun 2026US 2026/0168336 A1Fnv IP B.V.
Most cited
By later US patents
- 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
- Drivable device for compacting a soil layer structure and method for ascertaining a layer modulus of elasticity of an uppermost layer of this soil layer structure80US 8,671,760 B2BOMAG GmbH · 2014