H02P 9/04
Control effected upon non-electric prime mover and dependent upon electric output value
Official title: Control effected upon non-electric prime mover and dependent upon electric output value of the generator
H02P9/04 (Control effected upon non-electric prime mover and dependent upon electric output value) appears on 823 US grants and 819 published applications in this corpus.
Search patents in H02P- Granted patents
- 823
- Published applications
- 819
- Assignees
- 379
- Inventors
- 1,650
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 16 | 0 |
| 2001 | 13 | 1 |
| 2002 | 11 | 24 |
| 2003 | 13 | 18 |
| 2004 | 21 | 27 |
| 2005 | 20 | 19 |
| 2006 | 23 | 12 |
| 2007 | 12 | 20 |
| 2008 | 15 | 28 |
| 2009 | 18 | 23 |
| 2010 | 18 | 51 |
| 2011 | 27 | 51 |
| 2012 | 37 | 51 |
| 2013 | 43 | 53 |
| 2014 | 50 | 51 |
| 2015 | 43 | 65 |
| 2016 | 37 | 45 |
| 2017 | 44 | 51 |
| 2018 | 45 | 46 |
| 2019 | 58 | 48 |
| 2020 | 46 | 33 |
| 2021 | 45 | 25 |
| 2022 | 20 | 23 |
| 2023 | 16 | 18 |
| 2024 | 16 | 21 |
| 2025 | 19 | 10 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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