H01F 2038/125
With oil insulation
Official title: {with oil insulation}
H01F2038/125 (With oil insulation) appears on 43 US grants and 21 published applications in this corpus.
Search patents in H01F- Granted patents
- 43
- Published applications
- 21
- Assignees
- 16
- Inventors
- 71
- Latest grant
- 28 Jan 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 8 |
| 2003 | 5 | 4 |
| 2004 | 1 | 2 |
| 2005 | 3 | 3 |
| 2006 | 5 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Corona igniter including ignition coil with improved isolation28 Jan 2014US 8,638,540 B2Federal-Mogul Ignition Company
- Ignition coil for use in engine and engine having plastic cylinder head cover10 Feb 2009US 7,487,767 B2Hitachi Car Engineering Co., Ltd.
- Ignition coil1 Aug 2006US 7,084,729 B2Denso Corporation
- Stick-type ignition coil having improved structure against crack or dielectric discharge4 Jul 2006US 7,071,804 B2Denso Corporation
- Stick-type ignition coil having improved structure against crack or dielectric discharge27 Jun 2006US 7,068,135 B1Denso Corporation
- Silicone extension for an ignition coil for internal combustion engines, ignition coil comprising said silicone extension and method of assembly for said ignition coil7 Feb 2019US 2019/0043665 A1Eldor Corporation S.P.A.
- Corona igniter including ignition coil with improved isolation12 Jul 2012US 2012/0176724 A1Federal-Mogul Ignition Company
- Ignition coil for use in engine and engine having plastic cylinder head cover15 Jun 2006US 2006/0129890 A1Hitachi Car Engineering Co., Ltd.
- Stick-type ignition coil having improved structure against crack or dielectric discharge29 Sep 2005US 2005/0212636 A1Denso Corporation
- Ignition coil7 Jul 2005US 2005/0146410 A1Denso Corporation
Most cited
By later US patents
- 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
- Stick-type ignition coil having improved structure against crack or dielectric discharge25US 6,208,231 B1Denso Corporation · 2001
- Device for inducing an electrical voltage22US 4,035,751 A1977
- Pencil ignition coil assembly module17US 6,178,957 B2Visteon Global Technologies, Inc. · 2001