H01J 19/42
Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
H01J19/42 (Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies) appears on 58 US grants and 48 published applications in this corpus.
Search patents in H01J- Granted patents
- 58
- Published applications
- 48
- Assignees
- 38
- Inventors
- 127
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 4 |
| 2015 | 5 | 5 |
| 2016 | 2 | 4 |
| 2017 | 4 | 3 |
| 2018 | 4 | 3 |
| 2019 | 4 | 5 |
| 2020 | 6 | 6 |
| 2021 | 9 | 5 |
| 2022 | 1 | 0 |
| 2023 | 1 | 4 |
| 2024 | 5 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modular getters and getters with different materials in vacuum enclosures31 Mar 2026US 12,592,354 B2Varex Imaging Corporation
- Composite electron beam vacuum tube13 Jan 2026US 12,525,418 B2The Boeing Company
- Method for amplifying electromagnetic waves with wirebonded triode23 Dec 2025US 12,505,971 B2
- Vacuum tube for amplifier circuit, and amplifier circuit using same19 Nov 2024US 12,149,214 B2Hamamatsu Photonics K.K.
- Systems and methods for creating an electron coil magnet17 Sep 2024US 12,094,679 B2Vacon Oy
- Systems and methods for creating an electron coil magnet2 Jan 2025US 2025/0006425 A1Vacon Oy
- Composite Electron Beam Vacuum Tube19 Sep 2024US 2024/0312754 A1The Boeing Company
- Modular getters and getters with different materials in vacuum enclosures29 Aug 2024US 2024/0290569 A1Varex Imaging Corporation
- Method for amplifying electromagnetic waves with wirebonded triode16 May 2024US 2024/0161995 A1
- Terahertz capable integrated circuit21 Sep 2023US 2023/0299184 A1Averoses, Inc.
Most cited
By later US patents
- Bonded cathode and electrode structure with layered insulation, and method of manufacture30US 4,250,428 AThe United States of America as represented by the Secretary of the Army · 1981
- X-ray generation device having multiple metal target members12US 10,115,557 B2Hamamatsu Photonics K.K. · 2018
- Multi-arrayed micro-patch emitter with integral control grid11US 4,254,357 AThe United States of America as represented by the Secretary of the Navy · 1981
- Grid of pyrolytic graphite for a high-power electron tube and a method for the assembly of said grid10US 4,229,674 AThomson-CSF · 1980
- Closely spaced electrodes with a uniform gap10US 8,102,096 B2Tempronics, Inc. · 2012