H03H 21/0025
Particular filtering methods
Official title: {Particular filtering methods}
H03H21/0025 (Particular filtering methods) appears on 144 US grants and 101 published applications in this corpus.
Search patents in H03H- Granted patents
- 144
- Published applications
- 101
- Assignees
- 104
- Inventors
- 258
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 7 |
| 2003 | 1 | 10 |
| 2004 | 5 | 6 |
| 2005 | 9 | 6 |
| 2006 | 8 | 5 |
| 2007 | 5 | 4 |
| 2008 | 4 | 6 |
| 2009 | 1 | 0 |
| 2010 | 4 | 4 |
| 2011 | 8 | 3 |
| 2012 | 2 | 3 |
| 2013 | 5 | 8 |
| 2014 | 4 | 6 |
| 2015 | 9 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 5 |
| 2018 | 8 | 6 |
| 2019 | 7 | 5 |
| 2020 | 4 | 2 |
| 2021 | 5 | 4 |
| 2022 | 4 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Receiver with transcoder and adaptive filter25 Aug 2026US 12,719,452 B1Marvell Asia Pte Ltd
- Automatic signal composition for media conferences22 Apr 2025US 12,284,048 B1Amazon Technologies, Inc.
- Adaptive filtering method9 Jan 2024US 11,867,128 B2Safran Aircraft Engines
- System and method for anomaly detection using anomaly cueing13 Jun 2023US 11,676,367 B1HRL Laboratories, LLC
- Method for determining the magnetic flux of an electric machine17 Jan 2023US 11,557,997 B2Ifp Energies Nouvelles
- Detecting and capturing event data in a time series sensor signal30 Jul 2026US 2026/0219661 A1Eaton Intelligent Power Limited
- Automatic training of echo canceller in upstream signal receivers on quiet subcarriers6 Mar 2025US 2025/0080163 A1Avago Technologies International Sales Pte. Limited
- Distributed compressive sensing of multi-domain sparse signals in distributed edge systems9 Jan 2025US 2025/0016230 A1
- Adaptive robust estimation method and system for parameters of unmanned surface vessel14 Nov 2024US 2024/0380389 A1Southeast University
- Method for determining the magnetic flux of an electric machine3 Feb 2022US 2022/0038038 A1Ifp Energies Nouvelles
Most cited
By later US patents
- Method and apparatus for estimating physiological parameters using model-based adaptive filtering457US 5,853,364 ANellcor Puritan Bennett LLC · 1998
- Method and apparatus for estimating physiological parameters using model-based adaptive filtering318US 6,083,172 ANellcor Puritan Bennett LLC · 2000
- Method and apparatus for estimating physiological parameters using model-based adaptive filtering236US 6,411,833 B1Nellcor Puritan Bennett LLC · 2002
- Method and apparatus for estimating physiological parameters using model-based adaptive filtering222US 6,721,584 B2Nellcor Puritan Bennett LLC · 2004
- Method and apparatus for estimating physiological parameters using model-based adaptive filtering190US 6,836,679 B2Nellcor Puritan Bennett LLC · 2004