H02P 7/00
Arrangements for regulating or controlling the speed or torque of electric dc
Official title: Arrangements for regulating or controlling the speed or torque of electric DC motors
H02P7/00 (Arrangements for regulating or controlling the speed or torque of electric dc) appears on 2,721 US grants and 1,841 published applications in this corpus.
Search patents in H02P- Granted patents
- 2,721
- Published applications
- 1,841
- Assignees
- 1,224
- Inventors
- 4,652
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 69 | 0 |
| 1977 | 58 | 0 |
| 1978 | 45 | 0 |
| 1979 | 46 | 0 |
| 1980 | 48 | 0 |
| 1981 | 54 | 0 |
| 1982 | 39 | 0 |
| 1983 | 55 | 0 |
| 1984 | 58 | 0 |
| 1985 | 44 | 0 |
| 1986 | 39 | 0 |
| 1987 | 48 | 0 |
| 1988 | 31 | 0 |
| 1989 | 38 | 0 |
| 1990 | 38 | 0 |
| 1991 | 39 | 0 |
| 1992 | 39 | 0 |
| 1993 | 33 | 0 |
| 1994 | 34 | 0 |
| 1995 | 30 | 0 |
| 1996 | 45 | 0 |
| 1997 | 35 | 0 |
| 1998 | 39 | 0 |
| 1999 | 43 | 0 |
| 2000 | 27 | 0 |
| 2001 | 34 | 9 |
| 2002 | 21 | 28 |
| 2003 | 34 | 50 |
| 2004 | 46 | 62 |
| 2005 | 33 | 48 |
| 2006 | 52 | 40 |
| 2007 | 43 | 73 |
| 2008 | 33 | 63 |
| 2009 | 55 | 61 |
| 2010 | 47 | 57 |
| 2011 | 42 | 59 |
| 2012 | 39 | 56 |
| 2013 | 57 | 71 |
| 2014 | 58 | 101 |
| 2015 | 81 | 94 |
| 2016 | 84 | 94 |
| 2017 | 90 | 116 |
| 2018 | 98 | 124 |
| 2019 | 128 | 105 |
| 2020 | 107 | 131 |
| 2021 | 101 | 101 |
| 2022 | 113 | 85 |
| 2023 | 79 | 78 |
| 2024 | 79 | 62 |
| 2025 | 63 | 50 |
| 2026 | 30 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02P 7/06Arrangements for regulating or controlling the speed or torque of electric dc1,913
- H02P 7/03Arrangements for regulating or controlling the speed or torque of electric dc754
- H02P 7/0094Wherein the position is detected using the ripple of the current caused132
- H02P 7/02The dc motors being of the linear type104
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