F26B 21/206
By reversing fan rotation
Official title: {by reversing fan rotation}
F26B21/206 (By reversing fan rotation) appears on 17 US grants and 13 published applications in this corpus.
Search patents in F26B- Granted patents
- 17
- Published applications
- 13
- Assignees
- 11
- Inventors
- 30
- Latest grant
- 9 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 3 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Modified heat chamber and method to improve heat cycle efficiency using airflow control29 Sep 2015US 9,145,898 B2
- Systems for drying moisture-containing work pieces and methods for drying same27 Mar 2007US 7,194,822 B2American Wood Dryers, Inc.
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- Installation for the thermal drying of wood by CO2 sequestration18 Jul 2024US 2024/0240863 A1
- Method for the thermal drying of wood by CO2 sequestration and directly obtained dried wood11 Jul 2024US 2024/0230229 A1Ways SAS
Most cited
By later US patents
- Reversible conditioned air flow system40US 5,276,980 A1994
- Systems for drying moisture-containing work pieces and methods for drying same31US 7,194,822 B2American Wood Dryers, Inc. · 2007
- Drying kiln21US 6,467,190 B22002
- Kiln control system19US 4,356,641 AArmstrong World Industries, Inc. · 1982
- Circulating air dryer16US 5,226,244 A1993