E02B 8/06
Spillways
Official title: Spillways; Devices for dissipation of energy, e.g. for reducing eddies {also for lock or dry-dock gates}
E02B8/06 (Spillways) appears on 45 US grants and 39 published applications in this corpus.
Search patents in E02B- Granted patents
- 45
- Published applications
- 39
- Assignees
- 27
- Inventors
- 137
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 4 |
| 2017 | 1 | 2 |
| 2018 | 3 | 1 |
| 2019 | 3 | 7 |
| 2020 | 4 | 3 |
| 2021 | 5 | 3 |
| 2022 | 2 | 4 |
| 2023 | 3 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Precast dam structure with flowpath19 May 2026US 12,630,990 B2W.L. French Hydropower Holdings LLC
- Method for regulating confluence of tributaries with large drop difference and large angle into trunk canal12 May 2026US 12,624,509 B2Chongqing Jiaotong University
- Water control gate abutment air vent10 Jun 2025US 12,325,968 B2
- Spillway water system18 Jun 2024US 12,012,712 B2Sws Engineering S.P.A.
- Precast dam structure with flowpath25 Jul 2023US 11,708,674 B2W.L. French Hydropower Holdings LLC
- Method for regulating confluence of tributaries with large drop difference and large angle into trunk canal13 Nov 2025US 2025/0347074 A1Chongqing Jiaotong University
- Method and system for identifying glacial lake outburst debris flow12 Sep 2024US 2024/0302262 A1Kunming University of Science and Technology
- Precast Dam Structure With Flowpath7 Mar 2024US 2024/0076845 A1W.L. French Hydropower Holdings LLC
- Water control gate abutment air vent8 Jun 2023US 2023/0175223 A1
- Fusegate with ice-breaking system3 Nov 2022US 2022/0349140 A1Hydroplus
Most cited
By later US patents
- Sleeve valve23US 4,080,982 AMaezawa Industrial Incorporated · 1978
- Climate controlled waterside enclosure22US 10,072,430 B22018
- Dam with transformable hydroenergetic arrangement16US 4,279,539 A1981
- Dam spillway16US 4,352,593 A1982
- Overflow spillway for dams, weirs and similar structures15US 5,032,038 AGTM Batiment et Travaux Publics · 1991