H02P 25/184
Wherein the motor speed is changed by switching from a delta to
Official title: {wherein the motor speed is changed by switching from a delta to a star, e.g. wye, connection of its windings, or vice versa}
H02P25/184 (Wherein the motor speed is changed by switching from a delta to) appears on 97 US grants and 120 published applications in this corpus.
Search patents in H02P- Granted patents
- 97
- Published applications
- 120
- Assignees
- 63
- Inventors
- 209
- Latest grant
- 6 Oct 2026
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 | 2 | 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 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 4 |
| 2013 | 0 | 4 |
| 2014 | 2 | 4 |
| 2015 | 5 | 2 |
| 2016 | 1 | 3 |
| 2017 | 2 | 6 |
| 2018 | 2 | 8 |
| 2019 | 8 | 4 |
| 2020 | 4 | 23 |
| 2021 | 19 | 9 |
| 2022 | 11 | 11 |
| 2023 | 9 | 8 |
| 2024 | 6 | 11 |
| 2025 | 13 | 11 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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