H01J 23/083
Electrostatic focusing arrangements
H01J23/083 (Electrostatic focusing arrangements) appears on 18 US grants and 10 published applications in this corpus.
Search patents in H01J- Granted patents
- 18
- Published applications
- 10
- Assignees
- 10
- Inventors
- 21
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 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 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 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 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 4 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices4 Nov 2025US 12,463,000 B2Elve Inc.
- Multi-layer vacuum electron device and method of manufacture4 Feb 2025US 12,217,926 B2Elve Inc.
- Electron gun21 May 2024US 11,990,307 B2Thales Deutschland GmbH Electron Devices
- Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices16 Apr 2024US 11,961,693 B2Elve Inc.
- Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices27 Feb 2024US 11,915,900 B2Elve Inc.
- Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices5 Feb 2026US 2026/0038760 A1Elve Inc.
- Multi-layer vacuum electron device and method of manufacture5 Jun 2025US 2025/0182994 A1Elve Inc.
- Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices1 Aug 2024US 2024/0258061 A1Elve Inc.
- Multi-layer vacuum electron device and method of manufacture18 Jul 2024US 2024/0242916 A1Elve Inc.
- Multi-layer vacuum electron device and method of manufacture19 May 2022US 2022/0157549 A1Elve Inc.
Most cited
By later US patents
- Four-fingers RFQ linac structure53US 5,113,141 AScience Applications International Corporation · 1992
- Nested high voltage generator/particle accelerator47US 5,124,658 A1992
- Transverse field focused system12US 4,588,955 AThe United States of America as represented by the United States Department of Energy · 1986
- Electrostatic quadrupole array for focusing parallel beams of charged particles9US 4,360,760 AThe United States of America as represented by the United States Department of Energy · 1982
- High efficiency split flow turbine for compressible fluids7US 4,165,949 AGroupe Europeen pour la Technique des Turbines a Vapeur G.E.T.T. · 1979