H01J 19/78
One or more circuit elements structurally associated with the tube
H01J19/78 (One or more circuit elements structurally associated with the tube) 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
- 52
- Latest grant
- 3 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 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 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 2 | 3 |
| 2017 | 4 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 3 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- THz vacuum electronic devices with micro-fabricated electromagnetic circuits3 Jan 2023US 11,545,329 B2RaySecur, Inc.
- Vacuum tube rear device25 Aug 2020US 10,755,885 B2Echowell Electronic Co., Ltd.
- Microelectromechanical light emitter component, light emitter component and method for producing a microelectromechanical light emitter component18 Aug 2020US 10,748,732 B2Infineon Technologies AG
- Spark gap device and method of measurement of X-ray tube vacuum pressure31 Mar 2020US 10,605,687 B2General Electric Company
- Radial waveguide systems and methods for post-match control of microwaves5 Dec 2017US 9,837,249 B2APPLIED Materials.Inc.
- THz Vacuum Electronic Devices With Micro-Fabricated Electromagnetic Circuits27 May 2021US 2021/0159040 A1RaySecur, Inc.
- Vacuum tube rear device17 Oct 2019US 2019/0318898 A1Echowell Electronic Co., Ltd.
- Microelectromechanical light emitter component, light emitter component and method for producing a microelectromechanical light emitter component16 May 2019US 2019/0148101 A1Infineon Technologies AG
- Spark Gap Device And Method Of Measurement Of X-Ray Tube Vacuum Pressure31 Aug 2017US 2017/0248485 A1General Electric Company
- Radial waveguide systems and methods for post-match control of microwaves20 Apr 2017US 2017/0110290 A1APPLIED Materials.Inc.
Most cited
By later US patents
- Radial waveguide systems and methods for post-match control of microwaves157US 9,299,537 B2APPLIED Materials.Inc. · 2016
- Radial waveguide systems and methods for post-match control of microwaves129US 9,564,296 B2APPLIED Materials.Inc. · 2017
- Radial waveguide systems and methods for post-match control of microwaves111US 9,837,249 B2APPLIED Materials.Inc. · 2017
- Electron emitting device and switching circuit using the same19US 6,323,831 B1Kabushiki Kaisha Toshiba · 2001
- Tunable microwave cavity11US 4,002,943 AGTE Laboratories Incorporated · 1977