E02
Hydraulic engineering
Official title: Hydraulic engineering; foundations; soil shifting
E02 (Hydraulic engineering) appears on 36,612 US grants and 30,092 published applications in this corpus.
Search patents in E02- Granted patents
- 36,612
- Published applications
- 30,092
- Assignees
- 10,154
- Inventors
- 49,375
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 636 | 0 |
| 1977 | 643 | 0 |
| 1978 | 634 | 0 |
| 1979 | 368 | 0 |
| 1980 | 416 | 0 |
| 1981 | 499 | 0 |
| 1982 | 446 | 0 |
| 1983 | 384 | 0 |
| 1984 | 403 | 0 |
| 1985 | 414 | 0 |
| 1986 | 394 | 0 |
| 1987 | 522 | 0 |
| 1988 | 436 | 0 |
| 1989 | 551 | 0 |
| 1990 | 524 | 0 |
| 1991 | 535 | 0 |
| 1992 | 522 | 0 |
| 1993 | 506 | 0 |
| 1994 | 431 | 0 |
| 1995 | 460 | 0 |
| 1996 | 538 | 0 |
| 1997 | 426 | 0 |
| 1998 | 601 | 0 |
| 1999 | 619 | 0 |
| 2000 | 588 | 0 |
| 2001 | 610 | 144 |
| 2002 | 600 | 526 |
| 2003 | 615 | 617 |
| 2004 | 523 | 753 |
| 2005 | 496 | 738 |
| 2006 | 560 | 781 |
| 2007 | 436 | 805 |
| 2008 | 417 | 850 |
| 2009 | 500 | 928 |
| 2010 | 638 | 957 |
| 2011 | 659 | 949 |
| 2012 | 604 | 1034 |
| 2013 | 826 | 1279 |
| 2014 | 1067 | 1523 |
| 2015 | 1247 | 1579 |
| 2016 | 1251 | 1574 |
| 2017 | 1333 | 1506 |
| 2018 | 1257 | 1483 |
| 2019 | 1519 | 1488 |
| 2020 | 1371 | 1605 |
| 2021 | 1271 | 1663 |
| 2022 | 1231 | 1714 |
| 2023 | 1207 | 1520 |
| 2024 | 1471 | 1558 |
| 2025 | 1381 | 1445 |
| 2026 | 1026 | 1073 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
Recent patents
- Work vehicle6 Oct 2026US 12,752,690 B2Kubota Corporation
- Press-in reinforcement steel plate underwater swell prevention structure and steel plate press-in method6 Oct 2026US 12,753,556 B2Oriental Shiraishi Corporation
- Structured seawall for promoting biodiversity thereon6 Oct 2026US 12,753,561 B2Mighty Seawall Inc.
- Erosion control apparatus6 Oct 2026US 12,753,562 B2Wilkinson Ecological Design
- Partition monitoring method and model for concrete dam operation key part6 Oct 2026US 12,753,563 B2Hohai University
- Method for Operating a High-Voltage System of a Mobile Work Machine8 Oct 2026US 2026/0307495 A1Robert Bosch GmbH
- Underwater dam defect detection method, system, and storage medium8 Oct 2026US 2026/0308858 A1Hohai University
- Method and apparatus for confining the spread of pollutants spilled into a moving fluid8 Oct 2026US 2026/0308859 A1
- Pollution cleanup using a submerged apparatus8 Oct 2026US 2026/0308860 A1
- Counteracting coupling assembly for force distribution in a rack and pinion system of a jackup vessel8 Oct 2026US 2026/0308861 A1GustoMSC B.V.
Most cited
By later US patents
- Pile driving control apparatus and pile driving system1,032US 7,404,449 B2Bermingham Construction Limited · 2008
- Active pulse blood constituent monitoring867US 7,239,905 B2Masimo Laboratories, Inc. · 2007
- Display device for working machine858US 7,228,505 B2Komatsu Ltd. · 2007
- Tissue graft composition809US 4,902,508 APurdue Research Foundation · 1990
- Three-parameter optical fiber sensor and system497US 4,986,671 ALuxtron Corporation · 1991