E02B 8/02
Sediment base gates
Official title: Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
E02B8/02 (Sediment base gates) appears on 190 US grants and 144 published applications in this corpus.
Search patents in E02B- Granted patents
- 190
- Published applications
- 144
- Assignees
- 113
- Inventors
- 379
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 8 |
| 2004 | 1 | 6 |
| 2005 | 5 | 7 |
| 2006 | 4 | 6 |
| 2007 | 5 | 10 |
| 2008 | 4 | 3 |
| 2009 | 5 | 7 |
| 2010 | 3 | 2 |
| 2011 | 5 | 8 |
| 2012 | 5 | 2 |
| 2013 | 2 | 4 |
| 2014 | 1 | 6 |
| 2015 | 1 | 7 |
| 2016 | 6 | 8 |
| 2017 | 10 | 4 |
| 2018 | 6 | 12 |
| 2019 | 11 | 10 |
| 2020 | 9 | 5 |
| 2021 | 3 | 2 |
| 2022 | 2 | 2 |
| 2023 | 3 | 7 |
| 2024 | 4 | 7 |
| 2025 | 5 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Conveyor-belt filtering device for mechanically cleaning a liquid21 Apr 2026US 12,605,659 B2FSM Frankenberger GmbH
- Screening device for use in coarse matter screening wells of a waste water treatment plant24 Mar 2026US 12,583,762 B2Deyma La Mancha, S.L.
- Method and device for optimizing regulation of reservoir sediment discharging based on asynchronous propagation characteristic between flood peak and sediment peak17 Mar 2026US 12,577,748 B2China Institute of Water Resources and Hydropower Research
- Prefabricated vertical geotextile ditch check system2 Dec 2025US 12,486,634 B2Mazcon, A Kurtz Bros. Company, LLC
- 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
- Flood barrier wall using double airbag and construction method therefor13 Aug 2026US 2026/0234883 A1Daedo Entech Co., Ltd.
- Screening device, method for detecting a sag of an endless drive element, and use of a position sensor16 Jul 2026US 2026/0199812 A1Huber SE
- Prefabricated vertical geotextile ditch check system30 Apr 2026US 2026/0117483 A1
- Fence system and method of use16 Oct 2025US 2025/0320673 A1Sox, LLC
- System for cleaning rivers and waterways in general28 Aug 2025US 2025/0270779 A1Mold Srl
Most cited
By later US patents
- Pneumatic spar sediment control curtain42US 4,484,836 A1984
- Sediment control barrier30US 6,616,383 B22003
- Waste materials filtering apparatus28US 4,597,864 A1986
- Apparatus, components and a method for the filtering of liquid28US 5,800,701 AI. Kruger Systems A/S · 1998
- Roving bar screen22US 5,571,406 A1996