F05B 2220/706
An electrical generator
Official title: an electrical generator
F05B2220/706 (An electrical generator) appears on 1,301 US grants and 1,708 published applications in this corpus.
Search patents in F05B- Granted patents
- 1,301
- Published applications
- 1,708
- Assignees
- 642
- Inventors
- 2,879
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 12 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 7 |
| 2004 | 10 | 13 |
| 2005 | 3 | 16 |
| 2006 | 16 | 14 |
| 2007 | 22 | 41 |
| 2008 | 25 | 40 |
| 2009 | 23 | 42 |
| 2010 | 26 | 79 |
| 2011 | 38 | 65 |
| 2012 | 44 | 84 |
| 2013 | 47 | 67 |
| 2014 | 47 | 52 |
| 2015 | 51 | 43 |
| 2016 | 45 | 45 |
| 2017 | 36 | 110 |
| 2018 | 48 | 135 |
| 2019 | 92 | 118 |
| 2020 | 108 | 59 |
| 2021 | 77 | 126 |
| 2022 | 84 | 140 |
| 2023 | 92 | 122 |
| 2024 | 121 | 120 |
| 2025 | 116 | 92 |
| 2026 | 49 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F05B 2220/7066Via a direct connection, i.e. a gearless transmissionIndexing code234
- F05B 2220/7068Equipped with permanent magnetsIndexing code230
- F05B 2220/7064Of the alternating current typeIndexing code108
- F05B 2220/707Of the linear typeIndexing code99
- F05B 2220/7062Of the direct current typeIndexing code32
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- 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
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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
- Parameter monitoring and control for an electric driven hydraulic fracking system192US 10,753,165 B1National Service Alliance—Houston LLC · 2020
- Variable frequency drive configuration for electric driven hydraulic fracking system177US 10,753,153 B1National Service Alliance—Houston LLC · 2020