H02J 3/12
Arrangements for adjusting voltage in ac networks by changing a characteristic of
Official title: Arrangements for adjusting voltage in AC networks by changing a characteristic of the network load
H02J3/12 (Arrangements for adjusting voltage in ac networks by changing a characteristic of) appears on 3,196 US grants and 4,017 published applications in this corpus.
Search patents in H02J- Granted patents
- 3,196
- Published applications
- 4,017
- Assignees
- 1,417
- Inventors
- 7,145
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 13 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 23 | 0 |
| 1983 | 12 | 0 |
| 1984 | 15 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 12 | 0 |
| 1996 | 14 | 0 |
| 1997 | 15 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 4 |
| 2002 | 9 | 11 |
| 2003 | 12 | 38 |
| 2004 | 15 | 36 |
| 2005 | 18 | 28 |
| 2006 | 32 | 32 |
| 2007 | 25 | 38 |
| 2008 | 21 | 40 |
| 2009 | 26 | 58 |
| 2010 | 25 | 115 |
| 2011 | 43 | 155 |
| 2012 | 86 | 238 |
| 2013 | 119 | 255 |
| 2014 | 143 | 224 |
| 2015 | 139 | 212 |
| 2016 | 156 | 258 |
| 2017 | 201 | 241 |
| 2018 | 211 | 240 |
| 2019 | 283 | 252 |
| 2020 | 239 | 292 |
| 2021 | 231 | 215 |
| 2022 | 203 | 210 |
| 2023 | 208 | 233 |
| 2024 | 205 | 228 |
| 2025 | 180 | 216 |
| 2026 | 120 | 148 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Engery management and building automation system884US 5,572,438 ATECO Energy Management Services · 1996
- Energy management and home automation system750US 5,544,036 A1996
- System and method for monitoring and controlling energy usage599US 6,633,823 B2Nxegen, Inc. · 2003
- Energy management and home automation system572US 5,761,083 A1998