H01F 2038/122
With rod-shaped core
Official title: {with rod-shaped core}
H01F2038/122 (With rod-shaped core) appears on 164 US grants and 114 published applications in this corpus.
Search patents in H01F- Granted patents
- 164
- Published applications
- 114
- Assignees
- 48
- Inventors
- 229
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 17 | 3 |
| 2002 | 13 | 12 |
| 2003 | 11 | 17 |
| 2004 | 12 | 5 |
| 2005 | 7 | 10 |
| 2006 | 11 | 9 |
| 2007 | 10 | 13 |
| 2008 | 7 | 9 |
| 2009 | 3 | 1 |
| 2010 | 4 | 5 |
| 2011 | 2 | 0 |
| 2012 | 2 | 3 |
| 2013 | 3 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 2 | 4 |
| 2018 | 2 | 2 |
| 2019 | 3 | 2 |
| 2020 | 0 | 4 |
| 2021 | 0 | 3 |
| 2022 | 6 | 3 |
| 2023 | 4 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Ignition coil78US 4,514,712 A1985
- Integrated ignition coil and spark plug29US 5,706,792 AGeneral Motors Corporation · 1998
- Ignition apparatus for an internal combustion engine28US 5,632,259 AHitachi Car Engineering Co., Ltd. · 1997
- Transformer with tapered core25US 4,893,105 ATDK Corporation · 1990
- Ignition coil for an internal combustion engine25US 5,778,863 ANipponenso Co., Ltd. · 1998