G10K 2210/3028
Filtering
Official title: Filtering, e.g. Kalman filters or special analogue or digital filters
G10K2210/3028 (Filtering) appears on 569 US grants and 594 published applications in this corpus.
Search patents in G10K- Granted patents
- 569
- Published applications
- 594
- Assignees
- 218
- Inventors
- 868
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 4 |
| 2009 | 0 | 5 |
| 2010 | 1 | 17 |
| 2011 | 4 | 6 |
| 2012 | 8 | 13 |
| 2013 | 7 | 13 |
| 2014 | 6 | 20 |
| 2015 | 22 | 15 |
| 2016 | 29 | 31 |
| 2017 | 35 | 44 |
| 2018 | 38 | 50 |
| 2019 | 54 | 38 |
| 2020 | 57 | 66 |
| 2021 | 56 | 40 |
| 2022 | 39 | 58 |
| 2023 | 50 | 52 |
| 2024 | 40 | 48 |
| 2025 | 42 | 46 |
| 2026 | 29 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Open wearable acoustic device and active noise reduction method6 Oct 2026US 12,755,727 B2Shenzhen Shokz Co., Ltd.
- On-vehicle sound control system22 Sep 2026US 12,744,026 B2Honda Motor Co., Ltd.
- Method and system for controlling noise11 Aug 2026US 12,706,076 B2Innovation Technology, Inc.
- Audio limiter11 Aug 2026US 12,706,077 B2Bose Corporation
- Systems and methods for subband virtual path calculation in active noise cancellation4 Aug 2026US 12,700,393 B2Harman International Industries, Incorporated
- Noise reduction earphone and earphone noise reduction method8 Oct 2026US 2026/0311673 A1Shenzhen Dancing Future Technology Ltd.
- Active noise control device24 Sep 2026US 2026/0290302 A1Honda Motor Co., Ltd.
- Method for real-time adaptive active noise control, and adaptive active noise control earphones3 Sep 2026US 2026/0260643 A1Bestechnic (Shanghai) Co., Ltd.
- Active noise reduction device27 Aug 2026US 2026/0253571 A1Honda Motor Co., Ltd.
- Active noise reduction device and active noise reduction system27 Aug 2026US 2026/0253573 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering254US 5,402,496 AMinnesota Mining and Manufacturing Company · 1995
- Variable gain active noise canceling system with improved residual noise sensing249US 6,118,878 ANoise Cancellation Technologies, Inc. · 2000
- Multichannel acoustic echo cancellation213US 9,659,555 B1Amazon Technologies, Inc. · 2017
- Directional acoustic signal processor and method therefor195US 6,002,776 AInterval Research Corporation · 1999
- Active plus selective headset162US 5,815,582 ANoise Cancellation Technologies, Inc. · 1998