G01R 15/14
Adaptations providing voltage or current isolation
Official title: Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
G01R15/14 (Adaptations providing voltage or current isolation) appears on 4,768 US grants and 4,624 published applications in this corpus.
Search patents in G01R- Granted patents
- 4,768
- Published applications
- 4,624
- Assignees
- 1,801
- Inventors
- 8,426
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 15 | 0 |
| 1978 | 19 | 0 |
| 1979 | 9 | 0 |
| 1980 | 12 | 0 |
| 1981 | 28 | 0 |
| 1982 | 19 | 0 |
| 1983 | 15 | 0 |
| 1984 | 20 | 0 |
| 1985 | 37 | 0 |
| 1986 | 34 | 0 |
| 1987 | 28 | 0 |
| 1988 | 35 | 0 |
| 1989 | 52 | 0 |
| 1990 | 66 | 0 |
| 1991 | 48 | 0 |
| 1992 | 40 | 0 |
| 1993 | 31 | 0 |
| 1994 | 26 | 0 |
| 1995 | 59 | 0 |
| 1996 | 55 | 0 |
| 1997 | 35 | 0 |
| 1998 | 53 | 0 |
| 1999 | 49 | 0 |
| 2000 | 48 | 0 |
| 2001 | 56 | 12 |
| 2002 | 70 | 56 |
| 2003 | 66 | 62 |
| 2004 | 70 | 65 |
| 2005 | 57 | 85 |
| 2006 | 71 | 88 |
| 2007 | 76 | 107 |
| 2008 | 67 | 88 |
| 2009 | 97 | 98 |
| 2010 | 84 | 109 |
| 2011 | 64 | 127 |
| 2012 | 78 | 136 |
| 2013 | 97 | 183 |
| 2014 | 125 | 199 |
| 2015 | 150 | 223 |
| 2016 | 195 | 249 |
| 2017 | 231 | 278 |
| 2018 | 237 | 284 |
| 2019 | 287 | 271 |
| 2020 | 265 | 274 |
| 2021 | 274 | 270 |
| 2022 | 264 | 265 |
| 2023 | 246 | 267 |
| 2024 | 244 | 351 |
| 2025 | 249 | 276 |
| 2026 | 186 | 201 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01R 15/20Using galvano-magnetic devices1,715
- G01R 15/18Using inductive devices1,611
- G01R 15/24Using light-modulating devices590
- G01R 15/16Using capacitive devices464
- G01R 15/146Measuring arrangements for current not covered by other subgroups of g01r15/14380
- G01R 15/142Arrangements for simultaneous measurements of several parameters employing techniques covered by groups269
- G01R 15/22Using light-emitting devices124
- G01R 15/144Measuring arrangements for voltage not covered by other subgroups of g01r15/1486
All 9 subgroupsShow fewer
Recent patents
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By later US patents
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