H01J 17/30
Igniting arrangements
H01J17/30 (Igniting arrangements) appears on 30 US grants and 6 published applications in this corpus.
Search patents in H01J- Granted patents
- 30
- Published applications
- 6
- Assignees
- 19
- Inventors
- 44
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Electric propulsion system including heaterless dispenser cathode11 Nov 2025US 12,467,627 B2Aerojet Rocketdyne, Inc.
- Electric propulsion system including heaterless dispenser cathode23 Jul 2024US 12,044,407 B2Aerojet Rocketdyne, Inc.
- System and method of simultaneously fueling and mitigating debris for a plasma-based illumination source6 Oct 2015US 9,155,180 B1KLA-Tencor Corporation
- Discharge tube15 May 2007US 7,218,051 B2Shinko Electric Industries Co., Ltd.
- Discharge tube5 Sep 2006US 7,102,289 B2Shinko Electric Industries Co., Ltd.
- Electric propulsion system including heaterless dispenser cathode26 Sep 2024US 2024/0318820 A1Aerojet Rocketdyne, Inc.
- Electric propulsion system including heaterless dispenser cathode26 May 2022US 2022/0165533 A1Aerojet Rocketdyne, Inc.
- Electric discharge apparatus31 Jan 2013US 2013/0025255 A1ROLLS-ROYCE plc
- Method and apparatus for initiating gas discharge displays25 Jan 2007US 2007/0018910 A1Honeywell International Inc.
- Discharge tube7 Apr 2005US 2005/0073231 A1Shinko Electric Industries Co., Ltd.
Most cited
By later US patents
- Flat panel display and method of its manufacture31US 5,986,409 AMicron Technology, Inc. · 1999
- Gas-electronic switch (pseudospark switch)30US 5,091,819 A1992
- Stabilized radial pseudospark switch26US 5,502,356 APlex LLC · 1996
- Switching apparatus22US 5,631,524 AFuji Electric Co., Ltd. · 1997
- Low breakdown voltage gas discharge device and methods of manufacture and operation20US 5,610,477 AMRA Technology Group · 1997