G10K 2210/3224
Passive absorbers
G10K2210/3224 (Passive absorbers) appears on 51 US grants and 59 published applications in this corpus.
Search patents in G10K- Granted patents
- 51
- Published applications
- 59
- Assignees
- 49
- Inventors
- 151
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 5 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 3 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 4 |
| 2017 | 3 | 6 |
| 2018 | 2 | 4 |
| 2019 | 6 | 2 |
| 2020 | 0 | 2 |
| 2021 | 3 | 4 |
| 2022 | 6 | 7 |
| 2023 | 3 | 6 |
| 2024 | 5 | 3 |
| 2025 | 4 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Noise-cancelling headphone device14 Jul 2026US 12,682,882 B2Kabushiki Kaisha Audio-Technica
- Cooker hood with function of active noise cancellation23 Jun 2026US 12,664,966 B2Chung Yuan Christian University
- Sound signal processing method and headset device7 Apr 2026US 12,598,412 B2Honor Device Co., Ltd.
- Audio headset with active noise reduction30 Dec 2025US 12,513,448 B2Focal Jmlab
- Device and method for active noise control21 Oct 2025US 12,451,113 B2INVISIO Communications Ltd
- Noise control for an air filtration assembly1 Oct 2026US 2026/0295749 A1Apex Brands, Inc.
- Noise-cancelling headphone device24 Sep 2026US 2026/0290301 A1Kabushiki Kaisha Audio-Technica
- Vibration reduction unit and transformer comprising same23 Apr 2026US 2026/0112537 A1Ls Electric Co., Ltd.
- Cooker hood with function of active noise cancellation18 Sep 2025US 2025/0292758 A1Chung Yuan Christian University
- Sound system21 Aug 2025US 2025/0266029 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Communication system with active noise cancellation87US 5,033,082 ANelson Industries, Inc. · 1991
- Hybrid active-passive noise and vibration control system for aircraft77US 5,845,236 ALord Corporation · 1998
- Multi-chamber noise control system55US 8,005,235 B2Ford Global Technologies, LLC · 2011
- Active noise cancelling muffler28US 5,748,749 ANoise Cancellation Technologies, Inc. · 1998
- Noise absorption system having active acoustic liner26US 5,919,029 ANorthrop Grumman Corporation · 1999