F26B 21/50
Ducting arrangements from the source of air or other gases to the
Official title: Ducting arrangements from the source of air or other gases to the materials or objects being dried
F26B21/50 (Ducting arrangements from the source of air or other gases to the) appears on 701 US grants and 767 published applications in this corpus.
Search patents in F26B- Granted patents
- 701
- Published applications
- 767
- Assignees
- 466
- Inventors
- 1,716
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 10 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 13 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 16 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 17 | 0 |
| 2001 | 15 | 3 |
| 2002 | 12 | 3 |
| 2003 | 9 | 8 |
| 2004 | 9 | 12 |
| 2005 | 6 | 11 |
| 2006 | 5 | 10 |
| 2007 | 1 | 12 |
| 2008 | 6 | 15 |
| 2009 | 4 | 17 |
| 2010 | 2 | 17 |
| 2011 | 7 | 12 |
| 2012 | 8 | 19 |
| 2013 | 13 | 23 |
| 2014 | 17 | 46 |
| 2015 | 18 | 44 |
| 2016 | 30 | 28 |
| 2017 | 32 | 29 |
| 2018 | 32 | 45 |
| 2019 | 43 | 33 |
| 2020 | 35 | 46 |
| 2021 | 29 | 44 |
| 2022 | 36 | 36 |
| 2023 | 26 | 55 |
| 2024 | 34 | 74 |
| 2025 | 36 | 73 |
| 2026 | 38 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Semiconductor arrangement and method for making6 Oct 2026US 12,752,317 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Dehumidification device of package thermal-shrinking oven22 Sep 2026US 12,741,773 B2
- Portable dryer device and fan unit15 Sep 2026US 12,736,283 B2Powdry Development, LLC
- Electrode sheet oven drying apparatus, battery production device, and electrode sheet oven drying method8 Sep 2026US 12,729,909 B2Contemporary Amperex Technology (Hong Kong) Limited
- Drying device with automatically adjustable shield film8 Sep 2026US 12,729,913 B2LG Energy Solution, Ltd.
- Multiple hearth furnace for placing a solid and a gas in contact8 Oct 2026US 2026/0309411 A1Avril
- Oven for heating an article on a conveyor1 Oct 2026US 2026/0298537 A1CPM Packaging Ltd
- Nozzles for vehicle drying apparatus for car wash facility and methods of use17 Sep 2026US 2026/0274211 A1Sonny's Enterprises, LLC
- Substrate processing method3 Sep 2026US 2026/0257250 A1SCREEN Holdings Co., Ltd.
- Robot cleaner station27 Aug 2026US 2026/0248342 A1LG Electronics Inc.
Most cited
By later US patents
- Compact convection drying chamber for drying printed circuit boards and other electronic assemblies by enhanced evaporation550US 6,760,981 B2Speedline Technologies, Inc. · 2004
- Armoire178US 5,369,892 A1994
- Armoire adaptable to a sauna, drum dryer, and tubular lighted clothing dryer with humidity damper control of exhaust gases163US 5,546,678 A1996
- Bag with air distributor and ozone generator137US 6,134,806 A2000
- Apparatus and process for drying and curing coated substrates115US 4,336,279 A1982