H01J 2893/0001
Electrodes and electrode systems suitable for discharge tubes or lamps
H01J2893/0001 (Electrodes and electrode systems suitable for discharge tubes or lamps) appears on 22 US grants and 16 published applications in this corpus.
Search patents in H01J- Granted patents
- 22
- Published applications
- 16
- Assignees
- 21
- Inventors
- 74
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 0 |
| 2015 | 1 | 3 |
| 2016 | 0 | 3 |
| 2017 | 2 | 1 |
| 2018 | 3 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for preparing cathode material1 Apr 2025US 12,263,635 B2Wuhan United Imaging Healthcare Co., Ltd.
- Far-UVC light source with an internal dielectric coating filter arranged on the interior side of electrode12 Mar 2024US 11,929,248 B1City University of Hong Kong
- Device for the plasma-supported treatment of liquids4 May 2021US 10,995,018 B2Leibniz-Institut FüR Plasmaforschung Und Technologie E.V.
- Shadowed grid structures for electrodes in vacuum electronics19 May 2020US 10,658,144 B2Modern Electron, LLC
- Manhole base liner and method for manufacturing a manhole base liner2 Jul 2019US 10,340,112 B1Predl GmbH
- Light-emitting sealed body1 Oct 2026US 2026/0302154 A1Hamamatsu Photonics K.K.
- Semiconductor electrode structures and methods of forming same23 Oct 2025US 2025/0329510 A1
- Photoionization detector (pid) lamp assembly and a method to manufacture the pid lamp assembly2 Oct 2025US 2025/0308869 A1Life Safety Distribution AG
- Semiconductor manufacturing apparatus29 Feb 2024US 2024/0071785 A1Nextin, Inc.
- Method and system for preparing cathode material16 Mar 2023US 2023/0085306 A1Wuhan United Imaging Healthcare Co., Ltd.
Most cited
By later US patents
- X-ray generation device having multiple metal target members12US 10,115,557 B2Hamamatsu Photonics K.K. · 2018
- Method of manufacturing grid electrodes for electron tubes10US 4,034,031 AU. S. Philips Corporation · 1977
- Color cathode ray tube frame-color selection electrode support structure8US 3,936,691 AU. S. Philips Corporation · 1976
- Cylindric grid electrode structure for electronic tubes comprising carbon filaments coated with pyrolytic graphite7US 3,971,964 ABBC Brown, Boveri & Company, Limited · 1976
- Grid support means for a planar tube6US 3,934,168 AVarian Associates, Inc. · 1976