E02B 9/02
Water-ways
E02B9/02 (Water-ways) appears on 129 US grants and 122 published applications in this corpus.
Search patents in E02B- Granted patents
- 129
- Published applications
- 122
- Assignees
- 76
- Inventors
- 274
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 3 |
| 2008 | 3 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 5 |
| 2011 | 3 | 6 |
| 2012 | 2 | 11 |
| 2013 | 3 | 9 |
| 2014 | 6 | 7 |
| 2015 | 8 | 8 |
| 2016 | 6 | 2 |
| 2017 | 7 | 3 |
| 2018 | 5 | 9 |
| 2019 | 7 | 9 |
| 2020 | 7 | 3 |
| 2021 | 7 | 4 |
| 2022 | 4 | 7 |
| 2023 | 6 | 8 |
| 2024 | 7 | 5 |
| 2025 | 2 | 7 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sluice gate for a hydropower station26 May 2026US 12,637,822 B2ANDRITZ HYDRO GmbH
- Precast dam structure with flowpath19 May 2026US 12,630,990 B2W.L. French Hydropower Holdings LLC
- Modular precast hydro dam with powerhouse28 Apr 2026US 12,612,751 B2W.L. French Hydropower Holdings LLC
- Flood protection system26 Aug 2025US 12,398,523 B2
- Hydrokinetic chamber and chamber for generating hydrokinetic energy pertaining to the energy-generating module of a floating hydroelectric power plant26 Aug 2025US 12,398,526 B2Theophilo Ottoni—Estudos, De Projetos E Tecnologia Em Recursos Hidricos Ltda.
- Modular hydropower systems and methods with pumped storage10 Sep 2026US 2026/0266010 A1W.L. French Hydropower Holdings LLC
- Energy storage system27 Aug 2026US 2026/0251115 A1
- Flow Reversing Pump Apparatus23 Jul 2026US 2026/0210323 A1
- Ccr beneficial use structure for a pumped storage facility using in-situ coal combustion residuals with engineering measures22 Jan 2026US 2026/0022527 A1Go Team CCR LLC
- Gate linkage control method and device and parallel water supply and power generation system18 Dec 2025US 2025/0383673 A1China Institute of Water Resources and Hydropower Research
Most cited
By later US patents
- Surface topography for non-toxic bioadhesion control104US 7,143,709 B2University of Florida Research Foundation, Inc. · 2006
- Hydro-electric power plant47US 4,241,283 A1980
- Dry hydrant check valve33US 5,509,437 ASchlumberger Industries · 1996
- Dry hydrant siphon assembly30US 5,797,421 ASchlumberger Industries · 1998
- Waste water electrical power generating system29US 7,357,599 B2Criptonic Energy Solutions, Inc. · 2008