F26B 21/202
With means for changing the flow pattern
Official title: {with means for changing the flow pattern, e.g. by reversing gas flow or by moving the materials or objects through subsequent compartments, at least two of which have a different flow direction}
F26B21/202 (With means for changing the flow pattern) appears on 112 US grants and 114 published applications in this corpus.
Search patents in F26B- Granted patents
- 112
- Published applications
- 114
- Assignees
- 105
- Inventors
- 322
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 3 | 4 |
| 2006 | 2 | 1 |
| 2007 | 3 | 4 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 4 |
| 2014 | 0 | 6 |
| 2015 | 4 | 4 |
| 2016 | 5 | 0 |
| 2017 | 1 | 1 |
| 2018 | 2 | 5 |
| 2019 | 2 | 2 |
| 2020 | 5 | 10 |
| 2021 | 8 | 5 |
| 2022 | 3 | 5 |
| 2023 | 8 | 10 |
| 2024 | 3 | 14 |
| 2025 | 6 | 17 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Integration chamber for mixing booth discharge gas and oven discharge gas and VOC removal system utilizing the same18 Aug 2026US 12,710,231 B2Hyundai Motor Company
- Electrode drying system11 Aug 2026US 12,704,324 B2LG Energy Solution, Ltd.
- Metal curing ovens with quick heat-up and cool-down, and processes of using same14 Jul 2026US 12,678,823 B2EPCON Industrial Services, LP
- Modification of indirect-fired paint curing oven atmospheric environment through the introduction of gas combustion products21 Apr 2026US 12,605,739 B2Ford Motor Company
- Methods and apparatuses for drying electronic devices24 Mar 2026US 12,584,689 B2Revive Electronics, LLC
- Oven for heating an article on a conveyor1 Oct 2026US 2026/0298534 A1CPM Packaging Ltd
- Process gas collection systems for lumber drying operations13 Aug 2026US 2026/0235360 A1Wellons, Inc.
- Apparatus and Method for Treating Process Gas16 Jul 2026US 2026/0202130 A1Dürr Systems AG
- Treatment plant for treating workpieces, and method for treating workpieces9 Jul 2026US 2026/0194296 A1Dürr Systems AG
- Recirculating-air installation, treatment installation and method for operating a recirculating-air installation2 Jul 2026US 2026/0185773 A1Dürr Systems AG
Most cited
By later US patents
- Sanitizing cabinet for sports equipment59US 6,889,449 B22005
- Variable air flow oven44US 4,162,141 A1979
- Reversible conditioned air flow system40US 5,276,980 A1994
- Seed dryer with automatic control of temperature air flow direction and rate40US 5,893,218 APioneer Hi-Bred International, Inc. · 1999
- Systems for drying moisture-containing work pieces and methods for drying same31US 7,194,822 B2American Wood Dryers, Inc. · 2007