H01J 3/38
Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
H01J3/38 (Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements) appears on 23 US grants and 23 published applications in this corpus.
Search patents in H01J- Granted patents
- 23
- Published applications
- 23
- Assignees
- 21
- Inventors
- 51
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 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 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 4 |
| 2017 | 4 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method and apparatus for fabrication of high gradient insulators with parallel surface conductors spaced less than one millimeter apart10US 5,955,221 AThe Regents of the University of California · 1999
- Apparatuses, systems, and methods for ion traps5US 9,558,908 B2Honeywell International Inc. · 2017
- X-ray tube cathode focusing element3US 12,046,441 B2GE Precision Healthcare LLC · 2024
- Electron gun3US 6,774,552 B2NEC Microwave Tube, Ltd. · 2004
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