H02P 2207/07
Doubly fed machines receiving two supplies both on the stator only wherein
Official title: Doubly fed machines receiving two supplies both on the stator only wherein the power supply is fed to different sets of stator windings or to rotor and stator windings
H02P2207/07 (Doubly fed machines receiving two supplies both on the stator only wherein) appears on 77 US grants and 76 published applications in this corpus.
Search patents in H02P- Granted patents
- 77
- Published applications
- 76
- Assignees
- 60
- Inventors
- 198
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 3 |
| 2008 | 5 | 4 |
| 2009 | 3 | 3 |
| 2010 | 3 | 4 |
| 2011 | 3 | 6 |
| 2012 | 4 | 2 |
| 2013 | 3 | 1 |
| 2014 | 4 | 3 |
| 2015 | 1 | 3 |
| 2016 | 2 | 2 |
| 2017 | 3 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 6 |
| 2020 | 5 | 7 |
| 2021 | 5 | 3 |
| 2022 | 3 | 4 |
| 2023 | 5 | 6 |
| 2024 | 6 | 6 |
| 2025 | 5 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Electric motor control9 Dec 2025US 12,494,730 B2GM Global Technology Operations LLC
- Electrical machine of a vehicle2 Dec 2025US 12,489,385 B2Tvs Motor Company Limited
- System and method for detecting a stator distortion filter in an electrical power system18 Mar 2025US 12,255,572 B1GE Infrastructure Technology LLC
- Electromagnetic machine using magnetic field binding of multiple multi-phase winding wires25 Feb 2025US 12,237,737 B2
- Rotary electric machine control apparatus25 Feb 2025US 12,237,788 B2Denso Corporation
- Electric motor control10 Apr 2025US 2025/0119086 A1GM Global Technology Operations LLC
- Electrically-excited electric motor23 Jan 2025US 2025/0030368 A1BorgWarner Inc.
- System and method for controlling a motor2 Jan 2025US 2025/0007434 A1Tau Motors, Inc.
- Externally excited electric machine with a natural boost voltage31 Oct 2024US 2024/0364250 A1Tula eTechnology, Inc.
- Method for controlling a converter, apparatus and system24 Oct 2024US 2024/0356327 A1Nordex Energy GmbH
Most cited
By later US patents
- Performance optimization controller and control method for doubly-fed machines427US 5,798,631 AState of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 1998
- Brushless doubly-fed motor control system76US 5,239,251 AState of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 1993
- Method, apparatus and computer program product for injecting current67US 7,423,412 B2General Electric Company · 2008
- Variable speed wind turbine having an exciter machine and a power converter not connected to the grid49US 7,425,771 B2Ingeteam, S.A. · 2008
- Dual stator winding induction machine drive47US 6,242,884 B1Wisconsin Alumni Research Foundation · 2001