E02B 3/02
Stream regulation
Official title: Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow ({harvesting water plants A01D44/00; underwater loosening of soil or rocks for foundation construction E02D17/16}; dredging or scraping devices E02F5/28)
E02B3/02 (Stream regulation) appears on 187 US grants and 160 published applications in this corpus.
Search patents in E02B- Granted patents
- 187
- Published applications
- 160
- Assignees
- 100
- Inventors
- 415
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 5 |
| 2003 | 2 | 2 |
| 2004 | 3 | 0 |
| 2005 | 3 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 4 | 7 |
| 2010 | 3 | 5 |
| 2011 | 2 | 4 |
| 2012 | 4 | 7 |
| 2013 | 3 | 3 |
| 2014 | 3 | 6 |
| 2015 | 5 | 11 |
| 2016 | 6 | 9 |
| 2017 | 9 | 8 |
| 2018 | 7 | 13 |
| 2019 | 13 | 10 |
| 2020 | 12 | 11 |
| 2021 | 5 | 10 |
| 2022 | 7 | 7 |
| 2023 | 8 | 9 |
| 2024 | 9 | 9 |
| 2025 | 13 | 10 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for regulating confluence of tributaries with large drop difference and large angle into trunk canal12 May 2026US 12,624,509 B2Chongqing Jiaotong University
- Portable, reusable, high-stability, clog-resistant, universal-application, adjustable-volume non-filtration flow regulation device and system for sedimentation control related applications24 Mar 2026US 12,584,282 B1
- 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
- River training structure, system comprising river training structure, and method for training a river28 Oct 2025US 12,454,799 B2Koninklijke Bam Groep N.V.
- Reservoir desilting device having funnel with bivariate normal surface16 Sep 2025US 12,416,126 B2Zhejiang University
- Method and devices for diverting lava flows4 Jun 2026US 2026/0152914 A1Adg IngenieríA AutomáTica, Sl
- Layout of Ecological Spaces in River Corridors and method for constructing same4 Jun 2026US 2026/0152916 A1Shanghai Investigation, Design & Research Institute Co., Ltd.
- Method and system for determining limit scouring state of riverbed in downstream river channel of reservoir group30 Apr 2026US 2026/0117476 A1Bureau of Hydrology, Changjiang Water Resources Commission
- Automated rainfall flocculant disbursement structure for sediment and erosion control19 Feb 2026US 2026/0049012 A1
- Method for regulating confluence of tributaries with large drop difference and large angle into trunk canal13 Nov 2025US 2025/0347074 A1Chongqing Jiaotong University
Most cited
By later US patents
- Method and apparatus for removing mud from around and inside of casings116US 5,360,292 AFlow International Corporation · 1994
- Water, sediment and erosion control apparatus and methods88US 5,605,416 A1997
- Nutrient and particle removal: method and apparatus for treatment of existing lakes, ponds and water bodies58US 5,143,623 A1992
- Apparatus and method for controlling tide waters40US 4,146,346 A1979
- Artificial water plant system for controlling sediment transport on a water bed40US 5,620,279 AToyo Boseki Kabushiki Kaisha · 1997