E02B 7/00
Barrages or weirs
Official title: Barrages or weirs; Layout, construction, methods of, or devices for, making same (for protecting banks, coasts, or harbours E02B3/04; sealings or joints E02B3/16; handling building or like materials for hydraulic engineering E02D15/00; foundations in general E02D27/00)
E02B7/00 (Barrages or weirs) appears on 472 US grants and 358 published applications in this corpus.
Search patents in E02B- Granted patents
- 472
- Published applications
- 358
- Assignees
- 219
- Inventors
- 828
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 13 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 1 |
| 2002 | 7 | 3 |
| 2003 | 3 | 14 |
| 2004 | 6 | 4 |
| 2005 | 2 | 8 |
| 2006 | 8 | 8 |
| 2007 | 5 | 8 |
| 2008 | 5 | 5 |
| 2009 | 3 | 5 |
| 2010 | 4 | 2 |
| 2011 | 2 | 8 |
| 2012 | 4 | 17 |
| 2013 | 10 | 23 |
| 2014 | 14 | 27 |
| 2015 | 24 | 26 |
| 2016 | 33 | 33 |
| 2017 | 21 | 25 |
| 2018 | 23 | 22 |
| 2019 | 29 | 25 |
| 2020 | 27 | 14 |
| 2021 | 12 | 15 |
| 2022 | 11 | 20 |
| 2023 | 18 | 10 |
| 2024 | 14 | 13 |
| 2025 | 11 | 11 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Partition monitoring method and model for concrete dam operation key part6 Oct 2026US 12,753,563 B2Hohai University
- Diversion point water delivery control system1 Sep 2026US 12,723,361 B2CJC Holdings, LLC
- Composite fluid retaining barrier system28 Jul 2026US 12,692,676 B2SNBC Inc.
- Civil engineering civil fiber tube structure and civil engineering civil fiber tube structure connection construction method7 Jul 2026US 12,674,292 B2Industry-Academic Cooperation Foundation, Kunsan National University
- Sluice gate16 Jun 2026US 12,655,910 B2
- Underwater dam defect detection method, system, and storage medium8 Oct 2026US 2026/0308858 A1Hohai University
- Systems and methods for blocking a surge of water24 Sep 2026US 2026/0286632 A1The Texas A&M University System
- Systems and methods for blocking a surge of water24 Sep 2026US 2026/0286633 A1The Texas A&M University System
- Systems and methods for blocking a surge of water24 Sep 2026US 2026/0286634 A1The Texas A&M University System
- Systems and methods for blocking a surge of water24 Sep 2026US 2026/0286635 A1The Texas A&M University System
Most cited
By later US patents
- Liquid and flood water barrier wall forming-apparatus58US 5,460,462 A1995
- Apparatus and a method for joining water structure sections or the like56US 5,059,065 A1991
- Barrier for containing floods54US 4,921,373 A1990
- Automatic flood gate52US 6,623,209 B1Floodbreak, L.L.C. · 2003
- Foundation flood gate with ventilation47US 6,287,050 B1Smart Vent, Inc. · 2001