F05B 2220/00
Application
F05B2220/00 (Application) appears on 2,679 US grants and 3,364 published applications in this corpus.
Search patents in F05B- Granted patents
- 2,679
- Published applications
- 3,364
- Assignees
- 1,222
- Inventors
- 5,820
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 15 | 0 |
| 1981 | 8 | 0 |
| 1982 | 13 | 0 |
| 1983 | 6 | 0 |
| 1984 | 13 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 14 | 0 |
| 1995 | 11 | 0 |
| 1996 | 18 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 18 | 0 |
| 2000 | 15 | 0 |
| 2001 | 25 | 3 |
| 2002 | 13 | 19 |
| 2003 | 19 | 18 |
| 2004 | 25 | 32 |
| 2005 | 17 | 45 |
| 2006 | 43 | 52 |
| 2007 | 40 | 73 |
| 2008 | 42 | 93 |
| 2009 | 42 | 94 |
| 2010 | 59 | 180 |
| 2011 | 84 | 158 |
| 2012 | 86 | 160 |
| 2013 | 97 | 130 |
| 2014 | 92 | 113 |
| 2015 | 106 | 106 |
| 2016 | 94 | 120 |
| 2017 | 98 | 222 |
| 2018 | 116 | 240 |
| 2019 | 178 | 215 |
| 2020 | 197 | 165 |
| 2021 | 163 | 219 |
| 2022 | 153 | 225 |
| 2023 | 154 | 181 |
| 2024 | 199 | 217 |
| 2025 | 208 | 167 |
| 2026 | 82 | 117 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F05B 2220/70In combination withIndexing code1,544
- F05B 2220/30In turbinesIndexing code482
- F05B 2220/60Making use of surplus or waste energyIndexing code309
- F05B 2220/20Within closed fluid conduitsIndexing code141
- F05B 2220/50Application: for auxiliary power unitsIndexing code130
- F05B 2220/61Application: for hydrogen and/or oxygen productionIndexing code127
- F05B 2220/40In turbochargersIndexing code116
- F05B 2220/62Application: for desalinationIndexing code83
Recent patents
- Hybrid system for offshore power generation6 Oct 2026US 12,756,348 B2Saudi Arabian Oil Company
- Hydraulic turbine29 Sep 2026US 12,747,716 B2Natel Energy Holdings, Inc.
- Energy capture device and system29 Sep 2026US 12,747,717 B1
- Multiple blade wind turbine22 Sep 2026US 12,742,437 B2
- Method and controller arrangement for operating a wind turbine farm15 Sep 2026US 12,736,028 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Infrastructure-integrated fluid turbine system8 Oct 2026US 2026/0309119 A1
- Methods of generating electric power and a distributed network of a generator-turbine apparatus having a set of electric generators simultaneously driven by a gravity-force applied and moment imbalanced turbine8 Oct 2026US 2026/0309131 A1
- Coil support assembly having coil support structures joined together via respective joint structures and methods of assembling same8 Oct 2026US 2026/0311931 A1GE Vernova Renovables Espana, S.L.
- A generator for use in a wind turbine8 Oct 2026US 2026/0312460 A1Vestas Wind Systems A/S
- Reciprocating oscillating energy harvester1 Oct 2026US 2026/0298192 A1
Most cited
By later US patents
- Energy conversion systems and methods405US 10,060,473 B2Oceana Energy Company · 2018
- Variable speed wind turbine with reduced power fluctuation and a static VAR mode of operation266US 5,225,712 AU.S. Windpower, Inc. · 1993
- Variable speed wind turbine245US 5,083,039 AU.S. Windpower, Inc. · 1992
- Wind-powered electricity generating system including wind energy storage195US 5,384,489 A1995
- Parameter monitoring and control for an electric driven hydraulic fracking system192US 10,753,165 B1National Service Alliance—Houston LLC · 2020