F05B 2220/61
Application: for hydrogen and/or oxygen production
Official title: for hydrogen and/or oxygen production
F05B2220/61 (Application: for hydrogen and/or oxygen production) appears on 127 US grants and 202 published applications in this corpus.
Search patents in F05B- Granted patents
- 127
- Published applications
- 202
- Assignees
- 64
- Inventors
- 274
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 3 | 4 |
| 2007 | 3 | 7 |
| 2008 | 5 | 24 |
| 2009 | 7 | 12 |
| 2010 | 6 | 12 |
| 2011 | 10 | 7 |
| 2012 | 4 | 7 |
| 2013 | 5 | 7 |
| 2014 | 3 | 6 |
| 2015 | 4 | 3 |
| 2016 | 3 | 2 |
| 2017 | 4 | 5 |
| 2018 | 4 | 5 |
| 2019 | 3 | 4 |
| 2020 | 3 | 2 |
| 2021 | 1 | 7 |
| 2022 | 2 | 11 |
| 2023 | 2 | 12 |
| 2024 | 8 | 24 |
| 2025 | 22 | 24 |
| 2026 | 2 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Auxiliary power system and control for rural and/or off grid wind turbines1 Sep 2026US 12,723,568 B2Siemens Gamesa Renewable Energy A/S
- Ocean wave and tidal current energy conversion system26 May 2026US 12,637,997 B2
- Inertial hydrodynamic pump and wave engine16 Dec 2025US 12,497,702 B2Lone Gull Holdings, Ltd.
- Recirculating inertial hydrodynamic pump and wave engine9 Dec 2025US 12,492,673 B2Lone Gull Holdings, Ltd.
- Methods and systems for reversible coupling of conduits28 Oct 2025US 12,454,335 B2Lone Gull Holdings, Ltd.
- Battery arrangement for stand-alone wind turbine27 Aug 2026US 2026/0250870 A1Siemens Energy Global GmbH & Co. KG
- Energy supply system for coupling to a wind turbine used in island mode, and method for supplying the wind turbine with solar energy27 Aug 2026US 2026/0254396 A1Siemens Energy Global GmbH & Co. KG
- Integrative system for centralised offshore hydrogen production in conjunction with a floating generation and storage unit20 Aug 2026US 2026/0243230 A1Siemens Energy Global GmbH & Co. KG
- Method for transporting hydrogen from a floating wind turbine to a watercraft16 Jul 2026US 2026/0200556 A1Cruse Offshore GmbH
- Hydrogen production apparatus for a wind turbine, wind turbine arrangement and method for operating a hydrogen production apparatus for a wind turbine2 Jul 2026US 2026/0185252 A1Siemens Gamesa Renewable Energy A/S
Most cited
By later US patents
- Energy conversion systems and methods405US 10,060,473 B2Oceana Energy Company · 2018
- Offshore wind turbine with multiple wind rotors and floating system156US 7,075,189 B2Ocean Wind Energy Systems · 2006
- Wind farm generation scheme utilizing electrolysis to create gaseous fuel for a constant output generator112US 5,592,028 A1997
- Multiple wind turbine tethered airfoil wind energy conversion system86US 4,285,481 A1981
- Electric power generation84US 4,274,010 ASir Henry Lawson-Tancred, Sons & Co. Ltd. · 1981