H01J 19/08
Cathodes heated directly by an electric current
H01J19/08 (Cathodes heated directly by an electric current) appears on 10 US grants and 9 published applications in this corpus.
Search patents in H01J- Granted patents
- 10
- Published applications
- 9
- Assignees
- 10
- Inventors
- 20
- Latest grant
- 12 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for sterilizing ambient air using plasma-based smart window12 Sep 2023US 11,752,233 B2Ming Chi University of Technology
- Electrode component for generating large area atmospheric pressure plasma5 Apr 2022US 11,291,744 B2Ming Chi University of Technology
- Thin-film electrochemical device, method of making a thin-film electrochemical device, and energy converting device14 Sep 2021US 11,121,392 B2King Abdullah University of Science and Technology
- Printed active device with a 3D thermionic electronic component19 Nov 2019US 10,483,074 B2British Telecommunications Public Ltd.Co.
- Method of manufacturing an article with integral active electronic component27 Feb 2018US 9,905,389 B2British Telecommunications Public Ltd.Co.
- Method for Sterilizing Ambient Air Using Plasma-Based Smart Window4 Mar 2021US 2021/0060201 A1Ming Chi University of Technology
- Electrode component for generating large area atmospheric pressure plasma4 Mar 2021US 2021/0068242 A1Ming Chi University of Technology
- Thin-film electrochemical device, method of making a thin-film electrochemical device, and energy converting device1 Aug 2019US 2019/0237790 A1King Abdullah University of Science and Technology
- Printed active device30 Nov 2017US 2017/0345610 A1British Telecommunications Public Ltd.Co.
- Vacuum tube13 Apr 2017US 2017/0103867 A1Korg Inc.
Most cited
By later US patents
- Microminiature thermionic vacuum tube16US 5,841,219 AUniversity of Utah Research Foundation · 1998
- Solid state vacuum devices and method for making the same10US 7,005,783 B2InnoSys, Inc. · 2006
- Vacuum tube2US 9,583,300 B2Korg Inc. · 2017
- Vacuum tube1US 9,620,323 B1Korg Inc. · 2017
- Method of manufacturing an article with integral active electronic component1US 9,905,389 B2British Telecommunications Public Ltd.Co. · 2018