H01T 13/465
One spark gap being incorporated in the sparking plug
Official title: {one spark gap being incorporated in the sparking plug}
H01T13/465 (One spark gap being incorporated in the sparking plug) appears on 15 US grants and 4 published applications in this corpus.
Search patents in H01T- Granted patents
- 15
- Published applications
- 4
- Assignees
- 9
- Inventors
- 26
- Latest grant
- 22 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and systems for a series gap igniter with a passive pre-chamber22 Mar 2022US 11,280,278 B2Ford Global Technologies, LLC
- Apparatus and assembly for a spark igniter having tangential embedded pins17 Sep 2013US 8,534,041 B2Unison Industries, LLC
- Double ignition system for internal combustion engines, ignition plug for double ignition systems, and electric spark generator1 Jul 1997US 5,642,721 A
- Ignition apparatus with a pre-gap4 Apr 1995US 5,402,766 AYazaki Corporation
- Arrangement for improving starter behavior4 May 1993US 5,207,209 AAudi AG
- Spark system for igniters22 Sep 2022US 2022/0302683 A1Saudi Arabian Oil Company
- Methods and systems for a series gap igniter with a passive pre-chamber6 Jan 2022US 2022/0003176 A1Ford Global Technologies, LLC
- Spark gap circuit25 Apr 2019US 2019/0120144 A1Unison Industries, LLC
- Apparatus and assembly for a spark igniter23 Jun 2011US 2011/0146227 A1Unison Industries, LLC
Most cited
By later US patents
- Spark plug with measuring means78US 4,489,596 ARobert Bosch GmbH · 1984
- Spark plug for externally ignited internal combustion engine21US 4,549,114 A1985
- Plasma plug17US 4,388,549 AChampion Spark Plug Company · 1983
- Spark plug with capacitor spark discharge15US 4,613,789 ARobert Bosch GmbH · 1986
- Three electrode arc plasma flame ignition devices10US 4,071,800 AAssociated Engineering Limited · 1978