H01F 21/065
Measures for obtaining a desired relation between the position of the core
Official title: {Measures for obtaining a desired relation between the position of the core and the inductance}
H01F21/065 (Measures for obtaining a desired relation between the position of the core) appears on 23 US grants and 17 published applications in this corpus.
Search patents in H01F- Granted patents
- 23
- Published applications
- 17
- Assignees
- 17
- Inventors
- 53
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 3 | 4 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Tunable/variable passive microelectronic components30US 6,556,415 B1Industrial Technologies Research Institute · 2003
- Coil component12US 8,093,978 B2Sumida Corporation · 2012
- Variable inductance transducer10US 4,024,484 AChrysler Corporation · 1977
- Adjustment system for a coil device10US 5,345,209 ATDK Corporation · 1994
- Tunable inductor10US 6,842,101 B2Eagle Comtronics, Inc. · 2005