F24F 11/526
Giving audible indications
Official title: giving audible indications
F24F11/526 (Giving audible indications) appears on 209 US grants and 273 published applications in this corpus.
Search patents in F24F- Granted patents
- 209
- Published applications
- 273
- Assignees
- 115
- Inventors
- 592
- Latest grant
- 18 Aug 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 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 3 | 2 |
| 2007 | 2 | 5 |
| 2008 | 2 | 3 |
| 2009 | 0 | 4 |
| 2010 | 1 | 5 |
| 2011 | 1 | 6 |
| 2012 | 0 | 12 |
| 2013 | 5 | 15 |
| 2014 | 4 | 8 |
| 2015 | 10 | 30 |
| 2016 | 8 | 22 |
| 2017 | 14 | 20 |
| 2018 | 15 | 13 |
| 2019 | 22 | 16 |
| 2020 | 23 | 17 |
| 2021 | 12 | 18 |
| 2022 | 11 | 21 |
| 2023 | 12 | 14 |
| 2024 | 20 | 20 |
| 2025 | 12 | 10 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Humidifier and method for controlling the same14 May 2026US 2026/0132953 A1Samsung Electronics Co., Ltd.
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Most cited
By later US patents
- Adaptable control of HVAC systems341US 5,170,935 AMassachusetts Institute of Technology · 1992
- Filter clog detection and notification system259US 9,183,723 B2Cleanalert, LLC · 2015
- Wireless communication system for air distribution system257US 5,390,206 AAmerican Standard Inc. · 1995
- Interactive electronic thermostat with minimum and maximum temperature thermal limit switches217US 5,161,606 A1992
- Control for air quality machine145US 5,428,964 ATec-Way Air Quality Products, Inc. · 1995