H01T 13/42
With magnetic spark generators
Official title: with magnetic spark generators
H01T13/42 (With magnetic spark generators) appears on 6 US grants and 6 published applications in this corpus.
Search patents in H01T- Granted patents
- 6
- Published applications
- 6
- Assignees
- 5
- Inventors
- 14
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Spark igniter with magnetic field for pushing spark25 Feb 2025US 12,237,649 B2Pratt & Whitney Canada Corp.
- Ignition apparatus14 May 2019US 10,291,000 B2Denso Corporation
- Ignition unit for an internal combustion engine8 Jan 2019US 10,177,538 B2Robert Bosch GmbH
- Ignition plug and internal-combustion engine18 Sep 2018US 10,077,754 B2Imagineering, Inc.
- Contact-breaking ignition plug and method of generating a spark therewith25 Jul 1989US 4,850,316 ALacrex Brevetti S.A.
- Igniter3 Oct 2024US 2024/0332915 A1Pratt & Whitney Canada Corp.
- Spark plug connector1 Aug 2024US 2024/0258772 A1
- Ignition apparatus19 Jul 2018US 2018/0205204 A1Denso Corporation
- Ignition unit for an internal combustion engine24 Mar 2016US 2016/0087412 A1Robert Bosch GmbH
- Ignition plug and internal-combustion engine6 Nov 2014US 2014/0326206 A1Imagineering, Inc.
Most cited
By later US patents