H01J 1/26
Supports for the emissive material
H01J1/26 (Supports for the emissive material) appears on 43 US grants and 16 published applications in this corpus.
Search patents in H01J- Granted patents
- 43
- Published applications
- 16
- Assignees
- 31
- Inventors
- 96
- Latest grant
- 21 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electron gun21 May 2024US 11,990,307 B2Thales Deutschland GmbH Electron Devices
- Ion source cathode16 Apr 2024US 11,961,696 B1Ion Technology Solutions, LLC
- Beam position monitors for medical radiation machines29 Dec 2020US 10,879,028 B2Varian Medical Systems, Inc.
- Axial electron gun28 Apr 2020US 10,636,617 B2Paton Turbine Technologies LLC
- Electron gun and electron beam device30 Jun 2015US 9,070,527 B2Param Corporation
- Ion source cathode with monolithic radiation shields30 Jul 2026US 2026/0221371 A1Axcelis Technologies, Inc.
- Fixed position filament15 May 2025US 2025/0157775 A1Axcelis Technologies, Inc.
- Ion Source Cathode2 May 2024US 2024/0145207 A1Ion Technology Solutions, LLC
- Electron gun11 Nov 2021US 2021/0350995 A1Thales Deutschland GmbH Electron Devices
- Axial electron gun11 Jul 2019US 2019/0214220 A1Paton Turbine Technologies LLC
Most cited
By later US patents
- Fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof13US 3,958,146 AGTE Sylvania Incorporated · 1976
- X-ray cathode and method of manufacture thereof13US 8,385,506 B2General Electric Company · 2013
- Indirectly-heated cathode device for electron tubes11US 4,184,100 ATokyo Shibaura Electric Co., Ltd. · 1980
- Lanthanated thermionic cathodes10US 4,083,811 ABBC Brown, Boveri & Company, Limited · 1978
- Cathode for an electric discharge tube10US 5,030,879 AU. S. Philips Corporation · 1991