H03B 5/18
Generation of oscillations using amplifier with regenerative feedback from output to input
Official title: with frequency-determining element comprising distributed inductance and capacitance
H03B5/18 (Generation of oscillations using amplifier with regenerative feedback from output to input) appears on 791 US grants and 438 published applications in this corpus.
Search patents in H03B- Granted patents
- 791
- Published applications
- 438
- Assignees
- 341
- Inventors
- 1,237
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 10 | 0 |
| 1985 | 20 | 0 |
| 1986 | 22 | 0 |
| 1987 | 25 | 0 |
| 1988 | 21 | 0 |
| 1989 | 13 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 21 | 0 |
| 1993 | 20 | 0 |
| 1994 | 15 | 0 |
| 1995 | 16 | 0 |
| 1996 | 17 | 0 |
| 1997 | 10 | 0 |
| 1998 | 22 | 0 |
| 1999 | 16 | 0 |
| 2000 | 22 | 0 |
| 2001 | 34 | 16 |
| 2002 | 27 | 56 |
| 2003 | 29 | 25 |
| 2004 | 36 | 37 |
| 2005 | 25 | 32 |
| 2006 | 30 | 26 |
| 2007 | 28 | 27 |
| 2008 | 19 | 14 |
| 2009 | 18 | 15 |
| 2010 | 14 | 18 |
| 2011 | 7 | 19 |
| 2012 | 19 | 12 |
| 2013 | 11 | 15 |
| 2014 | 16 | 7 |
| 2015 | 15 | 14 |
| 2016 | 16 | 13 |
| 2017 | 11 | 15 |
| 2018 | 12 | 14 |
| 2019 | 21 | 14 |
| 2020 | 18 | 7 |
| 2021 | 9 | 10 |
| 2022 | 12 | 9 |
| 2023 | 8 | 7 |
| 2024 | 3 | 6 |
| 2025 | 12 | 5 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03B 5/1841The frequency-determining element being a strip line resonator542
- H03B 5/1864The frequency-determining element being a dielectric resonator163
- H03B 5/1817The frequency-determining element being a cavity resonator57
- H03B 5/1882The frequency-determining element being a magnetic-field sensitive resonator44
- H03B 5/1805The frequency-determining element being a coaxial resonator34
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