H03B 9/01
Generation of oscillations using transit-time effects: using discharge tubes
Official title: using discharge tubes
H03B9/01 (Generation of oscillations using transit-time effects: using discharge tubes) appears on 69 US grants and 35 published applications in this corpus.
Search patents in H03B- Granted patents
- 69
- Published applications
- 35
- Assignees
- 58
- Inventors
- 170
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 4 | 1 |
| 2019 | 2 | 2 |
| 2020 | 3 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multicore rotary traveling wave oscillator28 Jul 2026US 12,695,423 B2NXP B. V.
- Simultaneous wireless information and power transfer device and method based on the modulation of power supply ripple of magnetron11 Jun 2024US 12,009,676 B2Sichuan University
- Electron beam 3D printing machine28 Jun 2022US 11,370,055 B2Consorzio Di Ricerca Hypatia
- Microwave oscillator and matrix-type microwave oscillator based thereon14 Jun 2022US 11,363,686 B2Mw Matrix Inc.
- Reactor system coupled to an energy emitter control circuit31 Aug 2021US 11,107,662 B2Lyten, Inc.
- Resonant clocking architecture1 Jan 2026US 2026/0005651 A1Intel Corporation
- Multicore rotary traveling wave oscillator30 Oct 2025US 2025/0337361 A1NXP B. V.
- Magnetron and Microwave Heating Device10 Jul 2025US 2025/0227822 A1Guangdong Witol Vacuum Electronic Manufacture Co., Ltd.
- Magnetron and Microwave Heating Device10 Jul 2025US 2025/0227823 A1Guangdong Witol Vacuum Electronic Manufacture Co., Ltd.
- Slatted Cathode for Frequency Agility of MILO HPM Source1 May 2025US 2025/0141404 A1UNM Rainforest Innovations
Most cited
By later US patents
- Power supplier for magnetron83US 4,076,996 AMatsushita Electric Industrial Co., Ltd. · 1978
- Power supply for a microwave magnetron34US 3,973,165 ALitton Systems, Inc. · 1976
- Device for detecting the malfunctioning of a load such as a magnetron32US 5,565,781 A1996
- Resonant-flyback power supply with filament winding for magnetron and the like loads29US 4,318,165 AGeneral Electric Company · 1982
- Induction heating apparatus using a pair of inversely parallel connected gate-controlled switching devices28US 4,074,101 AMatsushita Electric Industrial Co., Ltd. · 1978