E02B 8/04
Valves, slides, or the like
Official title: Valves, slides, or the like; {Arrangements therefor;} Submerged sluice gates
E02B8/04 (Valves, slides, or the like) appears on 59 US grants and 45 published applications in this corpus.
Search patents in E02B- Granted patents
- 59
- Published applications
- 45
- Assignees
- 34
- Inventors
- 115
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 5 |
| 2015 | 3 | 5 |
| 2016 | 6 | 4 |
| 2017 | 4 | 3 |
| 2018 | 4 | 3 |
| 2019 | 4 | 4 |
| 2020 | 6 | 3 |
| 2021 | 2 | 0 |
| 2022 | 0 | 4 |
| 2023 | 5 | 2 |
| 2024 | 0 | 3 |
| 2025 | 4 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sluice gate16 Jun 2026US 12,655,910 B2
- Smooth automatic device and method for reservoir sediment flushing5 May 2026US 12,618,213 B2Zhejiang University
- Flow guiding sediment bypass tunnel gate structure with self-adaptive inlet adjustment4 Nov 2025US 12,460,364 B2Changjiang River Scientific Research Institute, Changjiang Water Resources Commission of the Ministry of Water Resources
- Structure for controlling crack generationgeneration in large-volume sluice gate and construction method therefor14 Oct 2025US 12,442,149 B1Qingzhou waterengineering construction limited company
- Flood protection system26 Aug 2025US 12,398,523 B2
- Flood protection system3 Jul 2025US 2025/0215653 A1
- Sluice gate3 Apr 2025US 2025/0109798 A1
- Flow guiding sediment bypass tunnel gate structure with self-adaptive inlet adjustment23 Jan 2025US 2025/0027287 A1Changjiang River Scientific Research Institute of Changjiang Water Resources Commission
- Smooth automatic device and method for reservoir sediment flushing15 Aug 2024US 2024/0271381 A1Zhejiang University
- Method and system of adaptive lensing for sea waves28 Mar 2024US 2024/0102258 A1
Most cited
By later US patents
- Self-regulating tide gate49US 3,974,654 AW. S. Rockwell Company · 1976
- Self-regulating fluid control valves24US 4,324,506 A1982
- Self-regulating fluid control valve19US 4,091,624 A1978
- Clamshell-type hydraulic flow control gate18US 3,998,426 A1976
- Vertically reciprocable gates for the control of a liquid media13US 4,832,527 ABachmann GmbH · 1989