H01J 23/027
Collectors
H01J23/027 (Collectors) appears on 126 US grants and 52 published applications in this corpus.
Search patents in H01J- Granted patents
- 126
- Published applications
- 52
- Assignees
- 70
- Inventors
- 212
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 1 |
| 2003 | 4 | 7 |
| 2004 | 2 | 4 |
| 2005 | 5 | 4 |
| 2006 | 4 | 2 |
| 2007 | 2 | 5 |
| 2008 | 1 | 2 |
| 2009 | 3 | 3 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 2 |
| 2015 | 3 | 0 |
| 2016 | 2 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Radiotherapy device and microwave source thereof12 May 2026US 12,623,089 B2Shanghai United Imaging Healthcare Co., Ltd.
- Travelling-wave tube26 Nov 2024US 12,154,749 B2Thales
- Electronic system equipped with a heat-transport fluid cooling circuit9 Jan 2024US 11,871,504 B2Thales
- Arrangement of conduction-cooled travelling wave tubes and method for manufacturing an arrangement26 Dec 2023US 11,854,759 B2Thales Deutschland GmbH Electron Devices
- Microwave tube and method for controlling the same24 Oct 2023US 11,798,770 B2NEC Network and Sensor Systems, Ltd.
- Electromagnetic radiation generation2 Jul 2026US 2026/0188529 A1United Kingdom Atomic Energy Authority
- Collector for a traveling wave tube and traveling wave tube with such a collector9 Apr 2026US 2026/0100322 A1Thales Deutschland GmbH
- Large electron tube, magnetic body, and method for using large electron tube30 Jan 2025US 2025/0037959 A1National Institutes for Quantum Science and Technology
- Air-cooled depressed collectors and methods7 Nov 2024US 2024/0371594 A1Elve Inc.
- Electronic system equipped with a heat-transport fluid cooling circuit20 Apr 2023US 2023/0120648 A1Thales
Most cited
By later US patents
- Gyrotron having a quasi-optical mode converter225US 5,187,409 AKabushiki Kaisha Toshiba · 1993
- Carbon nanotube coated anode91US 6,645,628 B2The United States of America as represented by the Secretary of the Air Force · 2003
- Multi-stage depressed collector for small orbit gyrotrons39US 5,780,970 ACalabazas Creek Research Center, Inc. · 1998
- Laser-sustained plasma light source24US 9,099,292 B1KLA-Tencor Corporation · 2015
- Inductive output tube with multistage depressed collector electrodes providing a near-constant efficiency19US 5,650,751 ALitton Systems, Inc. · 1997