H03B 5/10
Active element in amplifier being vacuum tube
Official title: active element in amplifier being vacuum tube (H03B5/14 takes precedence)
H03B5/10 (Active element in amplifier being vacuum tube) appears on 17 US grants and 10 published applications in this corpus.
Search patents in H03B- Granted patents
- 17
- Published applications
- 10
- Assignees
- 13
- Inventors
- 32
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 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 | 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 | 1 | 2 |
| 2015 | 3 | 3 |
| 2016 | 3 | 3 |
| 2017 | 2 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hybrid vacuum electronics communication and sensor system13 Jan 2026US 12,525,919 B2Boise State University
- Voltage controlled oscillator and control method thereof10 Jul 2018US 10,020,777 B2Mediatek Inc.
- Digital phase-locked loop supply voltage control9 Jan 2018US 9,866,225 B2Intel Corporation
- YIG-based closed loop signal filtering and amplitude control12 Dec 2017US 9,843,086 B1Micro Lambda Wireless, Inc.
- CR oscillation circuit25 Jul 2017US 9,716,501 B2Seiko Epson Corporation
- Hybrid vacuum electronics communication and sensor system31 Jul 2025US 2025/0247049 A1Boise State University
- Voltage controlled oscillator and control method thereof27 Apr 2017US 2017/0117849 A1Mediatek Inc.
- Cr oscillation circuit13 Oct 2016US 2016/0301398 A1Seiko Epson Corporation
- Digital phase-locked loop supply voltage control15 Sep 2016US 2016/0269036 A1Intel Corporation
- Digital phase-locked loop supply voltage control24 Mar 2016US 2016/0087641 A1Intel Corporation
Most cited
By later US patents
- Phase noise reduction control loop for oscillators using nonlinear resonator operation11US 8,994,465 B1HRL Laboratories, LLC · 2015
- High-frequency generator with harmonic-tuned resonant circuits3US 5,602,515 ASiemens Aktiengesellschaft · 1997
- High-frequency generator2US 4,897,619 AU. S. Philips Corporation · 1990
- Multi-grid electron tube high frequency power oscillator2US 4,954,792 AU. S. Philips Corporation · 1990
- Digital phase-locked loop supply voltage control2US 9,350,365 B2Intel Corporation · 2016