F05B 2210/404
Bidirectional, i.e. in opposite, alternating directions
Official title: bidirectional, i.e. in opposite, alternating directions
F05B2210/404 (Bidirectional, i.e. in opposite, alternating directions) appears on 69 US grants and 102 published applications in this corpus.
Search patents in F05B- Granted patents
- 69
- Published applications
- 102
- Assignees
- 57
- Inventors
- 190
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 0 | 5 |
| 2011 | 3 | 6 |
| 2012 | 1 | 8 |
| 2013 | 3 | 12 |
| 2014 | 9 | 7 |
| 2015 | 7 | 2 |
| 2016 | 3 | 4 |
| 2017 | 5 | 5 |
| 2018 | 2 | 7 |
| 2019 | 6 | 5 |
| 2020 | 5 | 4 |
| 2021 | 5 | 6 |
| 2022 | 3 | 4 |
| 2023 | 3 | 4 |
| 2024 | 5 | 6 |
| 2025 | 5 | 4 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus and method for extracting energy from a fluid29 Jul 2025US 12,372,054 B2Wave Swell Energy Limited
- Hydroelectric energy systems and methods of manufacturing the same24 Jun 2025US 12,341,408 B2Oceana Energy Company
- Combined breakwater and wave energy converter3 Sep 2026US 2026/0258777 A1
- Hydro-turbine and its deployment9 Jul 2026US 2026/0194036 A1Repetitive Energy Company Limited
- Bi-directional wave energy converter21 May 2026US 2026/0139655 A1Felicianne AS
- Generator assembly16 Apr 2026US 2026/0106514 A1Phoelenz Pty Ltd
- Valve Assembly24 Jul 2025US 2025/0237310 A1Rheenergise Limited
Most cited
By later US patents
- Underwater ducted turbine101US 7,471,009 B2Clean Current Power Systems Incorporated · 2008
- Bi-directional fan having asymmetric, reversible blades35US 6,116,856 APatterson Technique, Inc. · 2000
- Underwater ducted turbine28US 8,022,567 B2Clean Current Limited Partnership · 2011
- Turbine15US 4,545,726 ASulzer-Escher Wyss GmbH · 1985
- Impulse turbine for use in bi-directional flows15US 8,596,955 B2Peter Brotherhood Limited · 2013