F26B 17/1416
The ducts being half open or perforated and arranged horizontally
Official title: {the ducts being half open or perforated and arranged horizontally}
F26B17/1416 (The ducts being half open or perforated and arranged horizontally) appears on 33 US grants and 17 published applications in this corpus.
Search patents in F26B- Granted patents
- 33
- Published applications
- 17
- Assignees
- 18
- Inventors
- 45
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 3 |
| 2014 | 1 | 1 |
| 2015 | 5 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Environmentally-friendly feed drying and cooling integrated machine23 Sep 2025US 12,422,190 B2Guangzhou Jp.Epe.Co., Ltd.
- Grain drying system with air injection and extraction16 Jan 2024US 11,874,059 B2
- HVAC grain dryer7 Aug 2018US 10,041,731 B1
- Multiple intermittence beehive grain dryer12 Jun 2018US 9,995,531 B2
- Grain dryers configured so that different numbers of ducts in a grain column are selectable for cooling13 Mar 2018US 9,915,474 B2
- Geometric multiformat grain dryer31 Aug 2023US 2023/0272974 A1
- New environmentally-friendly feed drying and cooling integrated machine27 Apr 2023US 2023/0128608 A1Guangzhou Jp.Epe.Co., Ltd.
- Grain drying system with air injection and extraction23 Feb 2023US 2023/0059285 A1
- Hvac grain dryer2 Aug 2018US 2018/0216882 A1
- Grain dryers configured so that different numbers of ducts in a grain column are selectable for cooling23 Feb 2017US 2017/0051975 A1
Most cited
By later US patents
- Grain dryer36US 4,502,229 A1985
- Grain drying system with high efficiency dehumidifier and modular drying bin27US 6,209,223 B1Advanced Dryer Systems, Inc. · 2001
- Elongated slot dryer for wet particulate material19US 4,617,744 AShell Oil Company · 1986
- Concurrent-countercurrent flow grain dryer with air recycling means18US 4,006,536 AM & W Gear Company · 1977
- Grain dryer with air recycling ducts16US 4,067,120 AM & W Gear Company · 1978