H03K 3/537
The switching device being a spark gap
Official title: the switching device being a spark gap
H03K3/537 (The switching device being a spark gap) appears on 76 US grants and 48 published applications in this corpus.
Search patents in H03K- Granted patents
- 76
- Published applications
- 48
- Assignees
- 65
- Inventors
- 151
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 3 | 4 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 4 |
| 2016 | 4 | 3 |
| 2017 | 3 | 3 |
| 2018 | 0 | 2 |
| 2019 | 5 | 2 |
| 2020 | 2 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 4 |
| 2024 | 4 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for generating high voltage pulses7 Apr 2026US 12,597,912 B1Radiance Technologies, Inc.
- Bridge PFA biphasic generator for electroporation using finite energy transfer23 Dec 2025US 12,502,215 B2Boston Scientific Scimed, Inc.
- Marx generator with fluid cooling and gas space for spark gaps2 Dec 2025US 12,489,277 B2Diehl Defence GmbH & Co. KG
- Self-induced high voltage trigger15 Oct 2024US 12,119,621 B1The United States of America as represented by the Secretary of the Navy
- Marx generator with a plurality of branches for respective Marx voltages17 Sep 2024US 12,095,362 B2Diehl Defence GmbH & Co. KG
- Triggering system for pulsed-power drivers13 Nov 2025US 2025/0350198 A1Fuse Energy Technologies Corp.
- Marx generator with fluid cooling and gas space for spark gaps21 Mar 2024US 2024/0097408 A1Diehl Defence GmbH & Co. KG
- Bridge pfa biphasic generator for electroporation using finite energy transfer7 Dec 2023US 2023/0389984 A1Boston Scientific Scimed, Inc.
- Marx generator with a plurality of branches for respective marx voltages7 Sep 2023US 2023/0283174 A1Diehl Defence GmbH & Co. KG
- Pulse generator for an hpem pulse2 Mar 2023US 2023/0066590 A1Diehl Defence GmbH & Co. KG
Most cited
By later US patents
- Connecting cable for use with a pulse generator and a shock wave generator99US 5,095,891 ASiemens Aktiengesellschaft · 1992
- Portable X-ray device40US 3,970,884 A1976
- Compact subnanosecond high voltage pulse generation system for cell electro-manipulation39US 9,493,765 B2University of Southern California · 2016
- High voltage electromagnetic pulse generator36US 4,430,577 ACommissariat A L' Energie Atomique · 1984
- Compact subnanosecond high voltage pulse generation system for cell electro-manipulation31US 10,301,587 B2University of Southern California · 2019