H01T 13/24
Having movable electrodes
Official title: having movable electrodes (H01T13/28 takes precedence)
H01T13/24 (Having movable electrodes) appears on 32 US grants and 26 published applications in this corpus.
Search patents in H01T- Granted patents
- 32
- Published applications
- 26
- Assignees
- 21
- Inventors
- 56
- Latest grant
- 25 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 4 |
| 2015 | 2 | 6 |
| 2016 | 6 | 3 |
| 2017 | 4 | 3 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 2 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Pre-combustion chamber assembly with ignition electrodes for an internal combustion engine25 Jun 2024US 12,021,354 B2Caterpillar Energy Solutions GmbH
- Spark plug for boosted engine26 Mar 2024US 11,942,764 B1Ford Global Technologies, LLC
- Spark plug for boosted engine29 Aug 2023US 11,742,636 B1Ford Global Technologies, LLC
- Flexible ignition device for gasoline compression ignition combustion in internal combustion engines18 Oct 2022US 11,473,551 B1Saudi Arabian Oil Company
- Ignition plug21 Jul 2020US 10,720,759 B2Ngk Spark Plug Co., Ltd.
- Spark plug for boosted engine18 Apr 2024US 2024/0128726 A1Ford Global Technologies, LLC
- Pre-combustion chamber assembly with ignition electrodes for an internal combustion engine8 Feb 2024US 2024/0047950 A1Caterpillar Energy Solutions GmbH
- Ignition plug12 Mar 2020US 2020/0083674 A1Ngk Spark Plug Co., Ltd.
- Spark plug of internal combustion engine14 Nov 2019US 2019/0348821 A1Denso Corporation
- Bougie d'allumage a electrode-navette14 Jun 2018US 2018/0166862 A1
Most cited
By later US patents
- Spark plug with automatically adjustable gap18US 5,463,267 ACaterpillar Inc. · 1995
- Retractable igniter device for gas turbines17US 4,275,559 AGeneral Electric Company · 1981
- Ignition devices16US 3,988,646 AAssociated Engineering Limited · 1976
- Fuel saving apparatus and spark plug therefor10US 4,124,012 A1978
- Pre-chamber igniter having adjustable electrode10US 7,513,234 B1Caterpillar Inc. · 2009