E02D
Foundations
Official title: FOUNDATIONS; EXCAVATIONS; EMBANKMENTS (specially adapted for hydraulic engineering E02B); UNDERGROUND OR UNDERWATER STRUCTURES {(tunnels, tunnelling, mining E21)}
E02D (Foundations) appears on 11,746 US grants and 9,220 published applications in this corpus.
Search patents in E02D- Granted patents
- 11,746
- Published applications
- 9,220
- Assignees
- 4,977
- Inventors
- 17,951
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 177 | 0 |
| 1977 | 186 | 0 |
| 1978 | 204 | 0 |
| 1979 | 93 | 0 |
| 1980 | 92 | 0 |
| 1981 | 139 | 0 |
| 1982 | 117 | 0 |
| 1983 | 101 | 0 |
| 1984 | 141 | 0 |
| 1985 | 152 | 0 |
| 1986 | 155 | 0 |
| 1987 | 214 | 0 |
| 1988 | 161 | 0 |
| 1989 | 199 | 0 |
| 1990 | 204 | 0 |
| 1991 | 199 | 0 |
| 1992 | 182 | 0 |
| 1993 | 185 | 0 |
| 1994 | 180 | 0 |
| 1995 | 175 | 0 |
| 1996 | 237 | 0 |
| 1997 | 156 | 0 |
| 1998 | 272 | 0 |
| 1999 | 230 | 0 |
| 2000 | 198 | 0 |
| 2001 | 218 | 58 |
| 2002 | 225 | 192 |
| 2003 | 231 | 217 |
| 2004 | 194 | 298 |
| 2005 | 174 | 250 |
| 2006 | 198 | 284 |
| 2007 | 136 | 295 |
| 2008 | 149 | 311 |
| 2009 | 159 | 317 |
| 2010 | 208 | 312 |
| 2011 | 222 | 333 |
| 2012 | 191 | 307 |
| 2013 | 254 | 343 |
| 2014 | 309 | 444 |
| 2015 | 345 | 448 |
| 2016 | 361 | 481 |
| 2017 | 378 | 481 |
| 2018 | 406 | 454 |
| 2019 | 492 | 483 |
| 2020 | 450 | 457 |
| 2021 | 366 | 464 |
| 2022 | 366 | 490 |
| 2023 | 362 | 434 |
| 2024 | 394 | 442 |
| 2025 | 363 | 376 |
| 2026 | 246 | 249 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- E02D 29/00Independent underground or underwater structures2,673
- E02D 5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering2,496
- E02D 27/00Foundations as substructures2,495
- E02D 3/00Improving or preserving soil or rock1,591
- E02D 17/00Excavations1,254
- E02D 7/00Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other1,235
- E02D 31/00Protective arrangements for foundations or foundation structures1,166
- E02D 2300/00MaterialsIndexing code769
All 24 main groupsShow fewer
- E02D 2250/00Production methodsIndexing code500
- E02D 1/00Investigation of foundation soil in situ468
- E02D 2600/00MiscellaneousIndexing code454
- E02D 13/00Accessories for placing or removing piles or bulkheads431
- E02D 2200/00Geometrical or physical propertiesIndexing code352
- E02D 19/00Keeping dry foundation sites or other areas in the ground330
- E02D 35/00Straightening, lifting, or lowering of foundation structures or of constructions erected on223
- E02D 15/00Handling building or like materials for hydraulic engineering or foundations180
- E02D 37/00Repair of damaged foundations or foundation structures151
- E02D 33/00Testing foundations or foundation structures148
- E02D 23/00Caissons141
- E02D 9/00Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof141
- E02D 11/00Methods or apparatus specially adapted for both placing and removing sheet pile118
- E02D 2220/00Temporary installations or constructionsIndexing code56
- E02D 2450/00GasketsIndexing code53
- E02D 25/00Joining caissons, sinkers, or other units to each other under water17
Recent patents
- Press-in reinforcement steel plate underwater swell prevention structure and steel plate press-in method6 Oct 2026US 12,753,556 B2Oriental Shiraishi Corporation
- Erosion control apparatus6 Oct 2026US 12,753,562 B2Wilkinson Ecological Design
- Method for constructing concrete block structure6 Oct 2026US 12,753,564 B2Yujoo Co., Ltd.
- Modular wall system6 Oct 2026US 12,753,565 B2
- Modular pit frame6 Oct 2026US 12,753,566 B2The Ford Meter Box Company, Inc.
- Safety devices incorporating securing anchor for improved ladder stability and methods of using the same8 Oct 2026US 2026/0308862 A1
- Systems, methods, and machines for aligning and assembling truss foundations for single-axis trackers8 Oct 2026US 2026/0308863 A1Ojjo, Inc.
- System and method for forming an anchorage configured to fasten a vertical mast of a crane8 Oct 2026US 2026/0308864 A1
- Universal mount cover assembly for underground enclosures8 Oct 2026US 2026/0308865 A1Oldcastle Infrastructure, Inc.
- Below grade waterproofing membrane8 Oct 2026US 2026/0308866 A1GCP Applied Technologies Inc.
Most cited
By later US patents
- Pile driving control apparatus and pile driving system1,032US 7,404,449 B2Bermingham Construction Limited · 2008
- Tissue graft composition809US 4,902,508 APurdue Research Foundation · 1990
- Method and system for stent delivery427US 5,242,399 AAdvanced Cardiovascular Systems, Inc. · 1993
- Electrical heater360US 6,023,554 AShell Oil Company · 2000
- Vacuum method for removing soil contaminants utilizing thermal conduction heating341US 5,318,116 AShell Oil Company · 1994