H03K 17/52
By the use, as active elements, of gas-filled tubes
Official title: by the use, as active elements, of gas-filled tubes
H03K17/52 (By the use, as active elements, of gas-filled tubes) appears on 12 US grants and 4 published applications in this corpus.
Search patents in H03K- Granted patents
- 12
- Published applications
- 4
- Assignees
- 11
- Inventors
- 22
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 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 | 0 |
| 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 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Three-dimensional graphene network electrode for a high-power switch circuit21 Oct 2025US 12,451,672 B2The Boeing Company
- Well tool having optical triggering device for controlling electrical power delivery28 Mar 2017US 9,608,627 B2Halliburton Energy Services.Inc.
- Plasma gate14 Jun 2016US 9,370,087 B2
- High-voltage, low-inductance gas switch22 Mar 2016US 9,294,085 B1Sandia Corporation
- Plasma switch devices29 Sep 1992US 5,151,663 AHughes Aircraft Company
- Electric switching device6 Aug 2026US 2026/0230069 A1Eaton Intelligent Power Limited
- Three-dimensional graphene network electrode for a high-power switch circuit12 Sep 2024US 2024/0305068 A1The Boeing Company
- Plasma gate26 Nov 2015US 2015/0342017 A1
- Well tool having optical triggering device for controlling electrical power delivery24 Jul 2014US 2014/0203174 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Laser generated high electron density source14US 4,346,330 AThermo Electron Corporation · 1982
- Constant current charging circuits for high energy modulators13US 4,090,140 AThe United States of America as represented by the Secretary of the Army · 1978
- Compact high voltage power supply10US 5,008,798 AHughes Aircraft Company · 1991
- High-voltage, low-inductance gas switch6US 9,294,085 B1Sandia Corporation · 2016
- Electro-optical modulator for an electro-optically modulated laser5US 4,669,085 AThe United States of America as represented by the Secretary of the Navy · 1987