H03B 5/1817
The frequency-determining element being a cavity resonator
Official title: {the frequency-determining element being a cavity resonator}
H03B5/1817 (The frequency-determining element being a cavity resonator) appears on 57 US grants and 28 published applications in this corpus.
Search patents in H03B- Granted patents
- 57
- Published applications
- 28
- Assignees
- 48
- Inventors
- 135
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 4 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 4 | 2 |
| 2021 | 2 | 3 |
| 2022 | 4 | 2 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Oscillators using carbon nanotubes18 Aug 2026US 12,712,533 B1Northrop Grumman Systems Corporation
- Oscillator with a multiple pole resonator14 Apr 2026US 12,603,610 B2Anlotek Limited
- Vibration compensated interferometric noise suppressed oscillator (INSO)25 Feb 2025US 12,237,810 B1Raytheon Company
- Radio frequency oscillator with ceramic resonator and surface-mounted integrated circuit package21 Jan 2025US 12,206,155 B2QUALCOMM Incorporated
- Compact oscillator device with a cavity resonator on a circuit board12 Nov 2024US 12,142,810 B2Telefonaktiebolaget LM Ericsson (publ)
- Frequency multiplier and wireless communication device22 Jan 2026US 2026/0025127 A1Huawei Technologies Co., Ltd.
- Radio frequency oscillator with ceramic resonator and surface-mounted integrated circuit package26 Sep 2024US 2024/0322417 A1QUALCOMM Incorporated
- Oscillator with a multiple pole resonator9 Nov 2023US 2023/0361719 A1Anlotek Limited
- A Compact Oscillator Device with a Cavity Resonator on a Circuit Board12 Jan 2023US 2023/0009025 A1Telefonaktiebolaget LM Ericsson (publ)
- Wireless Circuitry with Self-Calibrated Harmonic Rejection Mixers5 Jan 2023US 2023/0006745 A1Apple Inc.
Most cited
By later US patents
- Microwave mixing circuit and a VHF-UHF tuner having the mixing circuit79US 4,340,975 AMatsushita Electric Industrial Co., Ltd. · 1982
- Plasma generator22US 5,180,949 AU. S. Philips Corporation · 1993
- Dual mode cavity stabilized oscillator18US 4,540,955 AFord Aerospace & Communications Corporation · 1985
- High frequency inductive generator for the inductive coil of a plasma generator17US 4,337,415 AInstruments S. A. · 1982
- Oscillator coupled through cylindrical cavity for generating low noise microwaves15US 4,673,894 ACalifornia Microwave, Inc. · 1987