F05D 2270/061
In particular the electrical frequency of driven generator
Official title: in particular the electrical frequency of driven generator
F05D2270/061 (In particular the electrical frequency of driven generator) appears on 83 US grants and 96 published applications in this corpus.
Search patents in F05D- Granted patents
- 83
- Published applications
- 96
- Assignees
- 47
- Inventors
- 247
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 2 |
| 2004 | 4 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 2 |
| 2010 | 2 | 6 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 3 | 13 |
| 2015 | 3 | 7 |
| 2016 | 5 | 5 |
| 2017 | 9 | 8 |
| 2018 | 6 | 11 |
| 2019 | 9 | 11 |
| 2020 | 9 | 2 |
| 2021 | 4 | 2 |
| 2022 | 3 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 4 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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- Gas turbine power plant control apparatus including a turbine load control system30US 4,208,591 AWestinghouse Electric Corp. · 1980