E02B
Hydraulic engineering
Official title: HYDRAULIC ENGINEERING (ship-lifting E02C; dredging E02F)
E02B (Hydraulic engineering) appears on 7,657 US grants and 5,361 published applications in this corpus.
Search patents in E02B- Granted patents
- 7,657
- Published applications
- 5,361
- Assignees
- 3,183
- Inventors
- 12,010
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 151 | 0 |
| 1977 | 174 | 0 |
| 1978 | 183 | 0 |
| 1979 | 117 | 0 |
| 1980 | 123 | 0 |
| 1981 | 147 | 0 |
| 1982 | 140 | 0 |
| 1983 | 114 | 0 |
| 1984 | 137 | 0 |
| 1985 | 129 | 0 |
| 1986 | 113 | 0 |
| 1987 | 184 | 0 |
| 1988 | 117 | 0 |
| 1989 | 156 | 0 |
| 1990 | 140 | 0 |
| 1991 | 169 | 0 |
| 1992 | 159 | 0 |
| 1993 | 148 | 0 |
| 1994 | 103 | 0 |
| 1995 | 118 | 0 |
| 1996 | 114 | 0 |
| 1997 | 99 | 0 |
| 1998 | 123 | 0 |
| 1999 | 119 | 0 |
| 2000 | 114 | 0 |
| 2001 | 124 | 25 |
| 2002 | 124 | 115 |
| 2003 | 142 | 118 |
| 2004 | 103 | 145 |
| 2005 | 87 | 155 |
| 2006 | 110 | 151 |
| 2007 | 86 | 142 |
| 2008 | 86 | 165 |
| 2009 | 87 | 167 |
| 2010 | 105 | 199 |
| 2011 | 109 | 235 |
| 2012 | 106 | 251 |
| 2013 | 149 | 265 |
| 2014 | 212 | 293 |
| 2015 | 222 | 344 |
| 2016 | 254 | 261 |
| 2017 | 260 | 250 |
| 2018 | 226 | 228 |
| 2019 | 286 | 314 |
| 2020 | 258 | 263 |
| 2021 | 243 | 237 |
| 2022 | 188 | 241 |
| 2023 | 181 | 243 |
| 2024 | 215 | 215 |
| 2025 | 200 | 212 |
| 2026 | 103 | 127 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- E02B 3/00Engineering works in connection with control or use of streams, rivers, coasts2,836
- E02B 17/00Artificial islands mounted on piles or like supports1,941
- E02B 15/00Cleaning or keeping clear the surface of open water1,313
- E02B 11/00Drainage of soil545
- E02B 7/00Barrages or weirs472
- E02B 8/00Details of barrages or weirs395
- E02B 9/00Water-power plants332
- E02B 1/00Equipment or apparatus for, or methods of, general hydraulic engineering268
Recent patents
- 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 constructing concrete block structure6 Oct 2026US 12,753,564 B2Yujoo Co., Ltd.
- Wave mitigation structure and process of manufacturing29 Sep 2026US 12,747,555 B21Print LLC
- 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.
- Server, control method, and program1 Oct 2026US 2026/0299525 A1NEC Corporation
Most cited
By later US patents
- Active pulse blood constituent monitoring867US 7,239,905 B2Masimo Laboratories, Inc. · 2007
- Insulating adhesive tape, and lead frame and semiconductor device employing the tape253US 5,406,124 AMitsui Toatsu Chemicals, Inc. · 1995
- Scavenger energy converter system its new applications and its control systems239US 6,327,994 B12001
- Water-mist blower cooling system and its new applications215US 6,293,121 B12001
- Ground surface cover system with flexible interlocking joint for erosion control176US 6,685,391 B1Ackerstein Industries Ltd. · 2004