H01J 2229/582
By electrostatic means
Official title: by electrostatic means
H01J2229/582 (By electrostatic means) appears on 15 US grants and 10 published applications in this corpus.
Search patents in H01J- Granted patents
- 15
- Published applications
- 10
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 4 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 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 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. 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.
- 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.
- Multi-layer vacuum electron device and method of manufacture6 Feb 2024US 11,894,208 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
- X-ray tube5US 9,653,248 B2Toshiba Electron Tubes & Devices Co., Ltd. · 2017
- Space-saving cathode ray tube2US 6,541,902 B1Sarnoff Corporation · 2003
- Traveling wave deflection system having helical conductors coiled on insulating cores of a specifiable specific dielectric constant1US 6,184,615 B2Iwatsu Electric Co., Ltd. · 2001
- Space-saving cathode ray tube1US 6,603,252 B1Orion Electric Co., Ltd. · 2003
- Asymmetric space-saving cathode ray tube with magnetically deflected electron beam1US 6,674,230 B1Sarnoff Corporation · 2004