H02P 9/34
Using magnetic devices with controllable degree of saturation in combination with controlled
Official title: using magnetic devices with controllable degree of saturation in combination with controlled discharge tube or controlled semiconductor device
H02P9/34 (Using magnetic devices with controllable degree of saturation in combination with controlled) appears on 12 US grants and 11 published applications in this corpus.
Search patents in H02P- Granted patents
- 12
- Published applications
- 11
- Assignees
- 7
- Inventors
- 17
- Latest grant
- 12 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 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 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Control system for switched reluctance motor operating as a power generator36US 5,012,172 AGeneral Electric Company · 1991
- Modulation control of power generation system23US 7,439,713 B2Pratt & Whitney Canada Corp. · 2008
- Permanent magnet electric generator with variable magnet flux excitation17US 7,859,231 B2Hamilton Sundstrand Corporation · 2010
- Power generating system with flux regulated generator9US 8,432,137 B2Hamilton Sundstrand Corporation · 2013
- Modulation control of power generation system8US 7,944,187 B2Pratt & Whitney Canada Corp. · 2011