H01J 19/44
Insulation between electrodes or supports within the vacuum space
H01J19/44 (Insulation between electrodes or supports within the vacuum space) appears on 16 US grants and 13 published applications in this corpus.
Search patents in H01J- Granted patents
- 16
- Published applications
- 13
- Assignees
- 12
- Inventors
- 44
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 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 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 3 |
| 2021 | 6 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite electron beam vacuum tube13 Jan 2026US 12,525,418 B2The Boeing Company
- Terahertz capable integrated circuit13 Aug 2024US 12,062,712 B2Averoses, Inc.
- TeraHertz capable integrated circuit13 Jun 2023US 11,677,016 B1Avoroses Incorporated
- Orthogonal acceleration time-of-flight mass spectrometer and lead-in electrode for the same14 Dec 2021US 11,201,046 B2Shimadzu Corporation
- Device for controlling electron flow and method for manufacturing said device16 Nov 2021US 11,177,104 B2Evince Technology Limited
- Composite Electron Beam Vacuum Tube19 Sep 2024US 2024/0312754 A1The Boeing Company
- Terahertz capable integrated circuit21 Sep 2023US 2023/0299184 A1Averoses, Inc.
- Device for Controlling Electron Flow and Method for Manufacturing Said Device27 May 2021US 2021/0159039 A1Evince Technology Limited
- Orthogonal acceleration time-of-flight mass spectrometer and lead-in electrode for the same13 May 2021US 2021/0142999 A1Shimadzu Corporation
- Vertical metal-air transistor18 Mar 2021US 2021/0083075 A1International Business Machines Corporation
Most cited
By later US patents
- Cathode-anode spacer comprising a projection of a length limited relative to its distance to the cathode3US 5,637,957 ANEC Corporation · 1997
- TeraHertz capable integrated circuit2US 11,063,118 B1Averoses, Inc. · 2021
- Orthogonal acceleration time-of-flight mass spectrometer and lead-in electrode for the same1US 11,201,046 B2Shimadzu Corporation · 2021
- X-ray generator including heat sink block1US 9,508,522 B2Samsung Electronics Co., Ltd. · 2016