E02B 9/00
Water-power plants
Official title: Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
E02B9/00 (Water-power plants) appears on 332 US grants and 335 published applications in this corpus.
Search patents in E02B- Granted patents
- 332
- Published applications
- 335
- Assignees
- 184
- Inventors
- 645
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 5 |
| 2003 | 5 | 7 |
| 2004 | 4 | 5 |
| 2005 | 3 | 6 |
| 2006 | 6 | 4 |
| 2007 | 3 | 11 |
| 2008 | 6 | 11 |
| 2009 | 7 | 8 |
| 2010 | 3 | 17 |
| 2011 | 12 | 22 |
| 2012 | 5 | 21 |
| 2013 | 13 | 19 |
| 2014 | 19 | 27 |
| 2015 | 17 | 18 |
| 2016 | 16 | 17 |
| 2017 | 19 | 11 |
| 2018 | 10 | 14 |
| 2019 | 14 | 22 |
| 2020 | 19 | 17 |
| 2021 | 14 | 8 |
| 2022 | 7 | 13 |
| 2023 | 17 | 20 |
| 2024 | 12 | 13 |
| 2025 | 11 | 12 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anchoring system for a hydrokinetic generator18 Aug 2026US 12,709,853 B2Sitkana, Inc.
- 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
- Water wave energy harvester31 Mar 2026US 12,590,564 B2FOI Group, LLC
- Server, control method, and program1 Oct 2026US 2026/0299525 A1NEC Corporation
- 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
- Buffer for tidal stream generation apparatus21 May 2026US 2026/0139656 A1
Most cited
By later US patents
- Surface topography for non-toxic bioadhesion control104US 7,143,709 B2University of Florida Research Foundation, Inc. · 2006
- Column-stabilized offshore platform with water-entrapment plates and asymmetric mooring system for support of offshore wind turbines52US 8,471,396 B2Principle Power, Inc. · 2013
- Hydro-electric power plant47US 4,241,283 A1980
- Liquid level control system and method of operating the same46US 4,772,157 A1988
- Sewage water purification/reuse/redistribution, flood control, and power generating system46US 6,000,880 A1999