F24F 2013/088
Air-flow straightener
Official title: {Air-flow straightener}
F24F2013/088 (Air-flow straightener) appears on 50 US grants and 54 published applications in this corpus.
Search patents in F24F- Granted patents
- 50
- Published applications
- 54
- Assignees
- 56
- Inventors
- 152
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 4 |
| 2017 | 1 | 3 |
| 2018 | 3 | 7 |
| 2019 | 6 | 2 |
| 2020 | 7 | 4 |
| 2021 | 0 | 5 |
| 2022 | 2 | 2 |
| 2023 | 3 | 3 |
| 2024 | 3 | 4 |
| 2025 | 3 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Straightening apparatus55US 5,937,908 ASharp Kabushiki Kaisha · 1999
- Suction elbow provided with built-in guide blades32US 6,290,266 B12001
- Flow control apparatus24US 6,161,609 ACarrier Corporation · 2000
- Heating or air-conditioning ventilation unit for motor vehicles20US 4,712,611 ASueddeutsche Kuehlerfabrik Julius Fr. Behr GmbH & Co. KG · 1987
- Three-dimensional manufacturing of quieting valve having complex passages17US 10,302,224 B2Marotta Controls, Inc. · 2019