H02P 4/00
Arrangements specially adapted for regulating or controlling the speed or torque of
Official title: Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different electric power supplies (vector control H02P21/00)
H02P4/00 (Arrangements specially adapted for regulating or controlling the speed or torque of) appears on 175 US grants and 193 published applications in this corpus.
Search patents in H02P- Granted patents
- 175
- Published applications
- 193
- Assignees
- 140
- Inventors
- 410
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 4 |
| 2005 | 3 | 2 |
| 2006 | 2 | 3 |
| 2007 | 3 | 2 |
| 2008 | 2 | 6 |
| 2009 | 2 | 5 |
| 2010 | 3 | 10 |
| 2011 | 7 | 5 |
| 2012 | 1 | 3 |
| 2013 | 8 | 8 |
| 2014 | 3 | 13 |
| 2015 | 9 | 19 |
| 2016 | 10 | 7 |
| 2017 | 13 | 16 |
| 2018 | 14 | 17 |
| 2019 | 13 | 17 |
| 2020 | 16 | 13 |
| 2021 | 15 | 7 |
| 2022 | 12 | 10 |
| 2023 | 6 | 7 |
| 2024 | 5 | 5 |
| 2025 | 4 | 7 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
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- Hybrid electric cleaning device42US 8,732,896 B2MTD Products Inc · 2014
- Method and apparatus for maximizing utilization of an electric motor under load37US 4,659,976 ADresser Industries, Inc. · 1987
- Adjusting gate pulse time intervals for reflected wave mitigation36US 7,034,501 B1Rockwell Automation Technologies, Inc. · 2006