F24F 11/755
For cyclical variation of air flow rate or air velocity
Official title: for cyclical variation of air flow rate or air velocity
F24F11/755 (For cyclical variation of air flow rate or air velocity) appears on 37 US grants and 47 published applications in this corpus.
Search patents in F24F- Granted patents
- 37
- Published applications
- 47
- Assignees
- 32
- Inventors
- 117
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 5 |
| 2018 | 2 | 1 |
| 2019 | 3 | 5 |
| 2020 | 3 | 5 |
| 2021 | 4 | 7 |
| 2022 | 6 | 7 |
| 2023 | 2 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Air conditioning apparatus186US 4,997,029 AMitsubishi Denki Kabushiki Kaisha · 1991
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- Thermostat with enhanced outdoor temperature anticipation27US 5,070,932 ALennox Industries Inc. · 1991
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