H01J 23/065
Producing a solid cylindrical beam
Official title: producing a solid cylindrical beam (H01J23/075 takes precedence)
H01J23/065 (Producing a solid cylindrical beam) appears on 57 US grants and 12 published applications in this corpus.
Search patents in H01J- Granted patents
- 57
- Published applications
- 12
- Assignees
- 29
- Inventors
- 78
- Latest grant
- 24 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cathode-in-cathode high-power microwave (HPM) vacuum tube source and method of alignment24 Oct 2023US 11,798,769 B1Raytheon Company
- Microwave tube and method for controlling the same24 Oct 2023US 11,798,770 B2NEC Network and Sensor Systems, Ltd.
- Electron gun and manufacturing method therefor6 Sep 2022US 11,437,214 B2New Japan Radio Co., Ltd.
- Electron gun capable of suppressing the influence of electron emission from the cathode side surface12 Nov 2019US 10,475,618 B2NEC Network and Sensor Systems, Ltd.
- Electron gun, electron tube and high-frequency circuit system30 Apr 2019US 10,276,339 B2NEC Network and Sensor Systems, Ltd.
- Electromagnetic radiation generation2 Jul 2026US 2026/0188529 A1United Kingdom Atomic Energy Authority
- Microwave tube and method for controlling the same15 Dec 2022US 2022/0399178 A1NEC Network and Sensor Systems, Ltd.
- Electron gun and manufacturing method therefor29 Apr 2021US 2021/0125805 A1New Japan Radio Co., Ltd.
- Electron gun24 Jan 2019US 2019/0027335 A1NEC Network and Sensor Systems, Ltd.
- Electron gun, electron tube and high-frequency circuit system4 Oct 2018US 2018/0286622 A1NEC Network and Sensor Systems, Ltd.
Most cited
By later US patents
- Density modulated electron beam tube with enhanced gain25US 4,527,091 AVarian Associates, Inc. · 1985
- Grid controlled electron source and method of making same23US 3,967,150 AVarian Associates, Inc. · 1976
- Gridded electron power tube23US 4,480,210 AVarian Associates, Inc. · 1984
- Cathode-ray tube and semiconductor device for use in such a cathode-ray tube23US 4,574,216 AU. S. Philips Corporation · 1986
- Vacuum tube including grid-cathode assembly with resonant slow-wave structure18US 5,317,233 AVarian Associates, Inc. · 1994