H01J 17/00
Gas-filled discharge tubes with solid cathode
Official title: Gas-filled discharge tubes with solid cathode (H01J25/00, H01J27/00, H01J31/00 - H01J41/00 {, H01J11/00} take precedence; gas filled spark gaps H01T; Marx converters H02M7/26)
H01J17/00 (Gas-filled discharge tubes with solid cathode) appears on 827 US grants and 285 published applications in this corpus.
Search patents in H01J- Granted patents
- 827
- Published applications
- 285
- Assignees
- 297
- Inventors
- 1,263
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 51 | 0 |
| 1977 | 46 | 0 |
| 1978 | 34 | 0 |
| 1979 | 9 | 0 |
| 1980 | 12 | 0 |
| 1981 | 17 | 0 |
| 1982 | 25 | 0 |
| 1983 | 21 | 0 |
| 1984 | 17 | 0 |
| 1985 | 18 | 0 |
| 1986 | 20 | 0 |
| 1987 | 17 | 0 |
| 1988 | 19 | 0 |
| 1989 | 8 | 0 |
| 1990 | 17 | 0 |
| 1991 | 21 | 0 |
| 1992 | 23 | 0 |
| 1993 | 14 | 0 |
| 1994 | 14 | 0 |
| 1995 | 29 | 0 |
| 1996 | 24 | 0 |
| 1997 | 29 | 0 |
| 1998 | 32 | 0 |
| 1999 | 38 | 0 |
| 2000 | 26 | 0 |
| 2001 | 16 | 8 |
| 2002 | 9 | 13 |
| 2003 | 21 | 19 |
| 2004 | 16 | 20 |
| 2005 | 11 | 14 |
| 2006 | 10 | 17 |
| 2007 | 7 | 25 |
| 2008 | 7 | 22 |
| 2009 | 9 | 15 |
| 2010 | 9 | 11 |
| 2011 | 8 | 6 |
| 2012 | 10 | 3 |
| 2013 | 12 | 29 |
| 2014 | 19 | 16 |
| 2015 | 15 | 17 |
| 2016 | 13 | 7 |
| 2017 | 9 | 3 |
| 2018 | 11 | 7 |
| 2019 | 4 | 6 |
| 2020 | 5 | 6 |
| 2021 | 7 | 6 |
| 2022 | 5 | 6 |
| 2023 | 3 | 5 |
| 2024 | 5 | 3 |
| 2025 | 3 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Devices and methods related to gas discharge tubes28 Jul 2026US 12,695,044 B2Bourns, Inc.
- Processing systems, chambers, and related methods including turbines for energy harnessing27 Jan 2026US 12,534,821 B2APPLIED Materials.Inc.
- Electric propulsion system including heaterless dispenser cathode11 Nov 2025US 12,467,627 B2Aerojet Rocketdyne, Inc.
- Nanoplasma switch device for ultrafast switching18 Mar 2025US 12,255,037 B2Ecole Polytechnique Federale de Lausanne
- Switch device7 Jan 2025US 12,191,105 B2Kabushiki Kaisha Toshiba
- Discharge tube8 Oct 2026US 2026/0311950 A1Hamamatsu Photonics K.K.
- Electric propulsion system including heaterless dispenser cathode26 Sep 2024US 2024/0318820 A1Aerojet Rocketdyne, Inc.
- Processing systems, chambers, and related methods including turbines for energy harnessing19 Sep 2024US 2024/0309548 A1APPLIED Materials.Inc.
- Devices and methods related to gas discharge tubes20 Jun 2024US 2024/0203681 A1Bourns, Inc.
- Nanoplasma switch device for ultrafast switching9 Nov 2023US 2023/0360875 A1Ecole Polytechnique Federale De Lausanne (Epfl)
Most cited
By later US patents
- Very high speed integrated microelectronic tubes410US 4,721,885 ASRI International · 1988
- Apparatus for mounting and cooling a flat screen92US 6,714,410 B2Innowert Service-Center IN Gesellschaft fur Innovation und Kommunikationstechnik mbH · 2004
- Socket for use with a micro-component in a light-emitting panel81US 6,545,422 B1Science Applications International Corporation · 2003
- Internal support structure for flat panel device76US 5,589,731 ASilicon Video Corporation · 1996
- Coaxial pseudospark discharge switch74US 5,126,638 AMaxwell Laboratories, Inc. · 1992