F24F 2013/247
Active noise-suppression
Official title: {Active noise-suppression}
F24F2013/247 (Active noise-suppression) appears on 64 US grants and 70 published applications in this corpus.
Search patents in F24F- Granted patents
- 64
- Published applications
- 70
- Assignees
- 63
- Inventors
- 200
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 5 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 3 | 1 |
| 2017 | 1 | 5 |
| 2018 | 7 | 5 |
| 2019 | 2 | 7 |
| 2020 | 4 | 7 |
| 2021 | 5 | 13 |
| 2022 | 6 | 4 |
| 2023 | 4 | 4 |
| 2024 | 11 | 3 |
| 2025 | 0 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intelligent control and ventilation energy-saving muffler system based on cloud system1 Sep 2026US 12,723,771 B2Shenzhen Boheng Habitat Environment Co., Ltd.
- Indoor unit and air conditioner6 Jan 2026US 12,516,828 B2Mitsubishi Electric Corporation
- Apparatus, system and method of active noise control (ANC) in a vehicle27 Aug 2024US 12,070,986 B2Silentium Ltd.
- Blower16 Jul 2024US 12,038,016 B2LG Electronics Inc.
- Noise cancellation based on airflow generator operational speed2 Jul 2024US 12,025,338 B2Hewlett-Packard Development Company, L. P.
- Low Noise Exhaust System16 Jul 2026US 2026/0202088 A1
- Room air cleaner with low-pressure filter18 Dec 2025US 2025/0383103 A1Kappa Filter Systems GmbH
- Window air conditioner2 Oct 2025US 2025/0305719 A1Hisense (Guangdong) Air Conditioning Co., Ltd.
- Indoor unit and air conditioner3 Jul 2025US 2025/0216093 A1Mitsubishi Electric Corporation
- Hvac efficiency boosting fan system, apparatus and method8 May 2025US 2025/0146686 A1Smart Cocoon Inc.
Most cited
By later US patents
- Noise control of air conditioner121US 5,203,178 ANorm Pacific Automation Corp. · 1993
- Apparatus for enhancing the environmental quality of work spaces66US 5,192,342 A1993
- Indoor device of air conditioner45US 10,054,320 B2LG Electronics Inc. · 2018
- Methods to control the environment and exposure apparatus37US 6,002,987 ANikon Corporation · 1999
- Apparatus and method for the active control of air moving device noise33US 5,636,287 ALucent Technologies Inc. · 1997