H01J 23/38
To or from the discharge
Official title: to or from the discharge
H01J23/38 (To or from the discharge) appears on 22 US grants and 11 published applications in this corpus.
Search patents in H01J- Granted patents
- 22
- Published applications
- 11
- Assignees
- 18
- Inventors
- 48
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Injection-locked magnetron system based on filament injection12 Dec 2023US 11,842,878 B2Sichuan University
- Microwave magnetron with constant anodic impedance and systems using the same22 Feb 2022US 11,255,016 B2MKS Instruments, Inc.
- System and method for manufacturing shellac floss13 Jul 2021US 11,060,208 B1King Abdulaziz University
- Sheet beam klystron (SBK) amplifiers with wrap-on solenoid for stable operation26 Nov 2019US 10,490,381 B2Qmast LLC
- Inverted magnetron with amplifying structure and associated systems and methods13 Feb 2018US 9,892,882 B1The United States of America as represented by the Secretary of the Air Force
- Injection-locked magnetron system based on filament injection15 Jun 2023US 2023/0187164 A1Sichuan University
- Magnetron condition monitoring24 Nov 2022US 2022/0375709 A1Elekta Limited
- Microwave magnetron with constant anodic impedance and systems using the same8 Apr 2021US 2021/0102293 A1MKS Instruments, Inc.
- Multi-Frequency Klystron Designed for High Efficiency22 Dec 2016US 2016/0372296 A1The Board of Trustees of the Leland Stanford Junior University
- Microwave Disinfection and Sterilization18 Feb 2016US 2016/0045628 A1Microzap, Inc.
Most cited
By later US patents
- Vacuum tube including grid-cathode assembly with resonant slow-wave structure18US 5,317,233 AVarian Associates, Inc. · 1994
- Cold cathode density-modulated type electron gun and microwave tube using the same8US 5,680,011 ANEC Corporation · 1997
- Multiple output cavities in sheet beam klystron8US 8,975,816 B2Varian Medical Systems, Inc. · 2015
- Linear electron beam tubes arrangements6US 5,536,992 AEEV Limited · 1996
- Frequency multiplier including grid having plural segments6US 5,589,736 ACommunications & Power Industries, Inc. · 1996