H03H 17/025
Notch filters
Official title: {Notch filters}
H03H17/025 (Notch filters) appears on 43 US grants and 39 published applications in this corpus.
Search patents in H03H- Granted patents
- 43
- Published applications
- 39
- Assignees
- 37
- Inventors
- 73
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 2 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 2 | 4 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 3 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 4 |
| 2018 | 4 | 2 |
| 2019 | 4 | 5 |
| 2020 | 4 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 3 | 1 |
| 2024 | 0 | 3 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reducing comb filtering for hearing devices19 May 2026US 12,634,641 B2Starkey Laboratories, Inc.
- Universal notch filter12 Dec 2023US 11,843,407 B2BioSig Technologies, Inc.
- System improving signal handling11 Apr 2023US 11,626,858 B2Mediatek Inc.
- Universal notch filter31 Jan 2023US 11,569,853 B2BioSig Technologies, Inc.
- Universal notch filter1 Mar 2022US 11,265,031 B2BioSig Technologies, Inc.
- Reducing comb filtering for hearing devices10 Sep 2026US 2026/0270628 A1Starkey Laboratories, Inc.
- Circuit Device And Circuit Device Setting Method6 Mar 2025US 2025/0076052 A1Seiko Epson Corporation
- Apparatus for and method of optimizing parameter of notch filter for use in electric power steering apparatus30 Jan 2025US 2025/0038687 A1Hyundai Mobis Co., Ltd.
- Resonator and phase shifter shunt hybrid structure for extractor design5 Dec 2024US 2024/0405747 A1Skyworks Solutions, Inc.
- Extractor design with resonator and phase shifter series hybrid structure5 Dec 2024US 2024/0405755 A1Skyworks Solutions, Inc.
Most cited
By later US patents
- Systems and methods to determine elastic properties of materials86US 7,107,159 B22006
- Systems and methods to determine elastic properties of materials52US 7,966,134 B22011
- Adaptive removal of resonance-induced noise34US 5,960,091 A1999
- Moving-average notch filter30US 4,232,192 AStarkey Labs, Inc. · 1980
- Amplitude detection and automatic gain control of a sparsely sampled sinusoid by adjustment of a notch filter21US 5,576,976 ARockwell International Corporation · 1996