H01F 27/323
Insulation between winding turns, between winding layers
Official title: {Insulation between winding turns, between winding layers}
H01F27/323 (Insulation between winding turns, between winding layers) appears on 629 US grants and 817 published applications in this corpus.
Search patents in H01F- Granted patents
- 629
- Published applications
- 817
- Assignees
- 304
- Inventors
- 1,682
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 4 |
| 2002 | 7 | 20 |
| 2003 | 3 | 11 |
| 2004 | 9 | 14 |
| 2005 | 11 | 19 |
| 2006 | 13 | 11 |
| 2007 | 15 | 18 |
| 2008 | 8 | 19 |
| 2009 | 9 | 16 |
| 2010 | 10 | 19 |
| 2011 | 18 | 15 |
| 2012 | 14 | 9 |
| 2013 | 12 | 11 |
| 2014 | 8 | 10 |
| 2015 | 5 | 23 |
| 2016 | 14 | 13 |
| 2017 | 18 | 32 |
| 2018 | 19 | 57 |
| 2019 | 28 | 82 |
| 2020 | 41 | 85 |
| 2021 | 55 | 46 |
| 2022 | 58 | 62 |
| 2023 | 50 | 59 |
| 2024 | 41 | 69 |
| 2025 | 48 | 55 |
| 2026 | 32 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Coil component, method for manufacturing coil component, and electronic/electric device24 Sep 2026US 2026/0290676 A1Delta Electronics (Japan), Inc.
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- Insulated coil and coiled frame and method for making same66US 6,137,202 AGeneral Electric Company · 2000