F05B 2220/7062
Of the direct current type
Official title: of the direct current (D.C.) type
F05B2220/7062 (Of the direct current type) appears on 32 US grants and 34 published applications in this corpus.
Search patents in F05B- Granted patents
- 32
- Published applications
- 34
- Assignees
- 20
- Inventors
- 65
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 2 | 4 |
| 2008 | 1 | 3 |
| 2009 | 3 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 3 |
| 2020 | 0 | 0 |
| 2021 | 2 | 6 |
| 2022 | 2 | 2 |
| 2023 | 4 | 4 |
| 2024 | 4 | 2 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid turbine system and method of use5 May 2026US 12,618,390 B2Tap Energy LLC
- Wind turbine with integrated battery storage18 Nov 2025US 12,476,468 B2KK Wind Solutions A/S
- Turboexpander islanding operation9 Sep 2025US 12,410,777 B2Sapphire Technologies, Inc.
- Method and windfarm control stage for controlling a windfarm17 Jun 2025US 12,331,725 B2Wobben Properties GmbH
- Fluid turbine system and method of use4 Mar 2025US 12,241,447 B2Tap Energy LLC
- Subsea Electrical Energy Generation System21 May 2026US 2026/0139572 A1Petroleo Brasileiro S.A. - Petrobras
- Fluid Turbine System and Method of Use19 Jun 2025US 2025/0198378 A1Tap Energy LLC
- Wind turbine with integrated battery storage10 Apr 2025US 2025/0118969 A1KK Wind Solutions A/S
- Turboexpander islanding operation19 Sep 2024US 2024/0309846 A1Sapphire Technologies, Inc.
- Fluid Turbine System and Method of Use8 Feb 2024US 2024/0044311 A1Tap Energy LLC
Most cited
By later US patents
- Wind turbine generator system83US 4,357,542 AWestinghouse Electric Corp. · 1982
- System and method for power control in wind turbines50US 7,239,036 B2General Electric Company · 2007
- Emergency pitch drive power supply44US 7,218,012 B1General Electric Company · 2007
- Electric energy storage and distribution system of differential distribution type30US 5,476,293 A1995
- Hydroelectric in-pipe generator18US 7,579,703 B22009