F26B 3/20
The heat source being a heated surface
Official title: the heat source being a heated surface {, e.g. a moving belt or conveyor}(F26B3/22 takes precedence)
F26B3/20 (The heat source being a heated surface) appears on 219 US grants and 206 published applications in this corpus.
Search patents in F26B- Granted patents
- 219
- Published applications
- 206
- Assignees
- 190
- Inventors
- 581
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 4 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 3 |
| 2008 | 2 | 3 |
| 2009 | 3 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 4 |
| 2012 | 0 | 4 |
| 2013 | 3 | 4 |
| 2014 | 3 | 6 |
| 2015 | 4 | 8 |
| 2016 | 3 | 5 |
| 2017 | 4 | 6 |
| 2018 | 7 | 18 |
| 2019 | 9 | 11 |
| 2020 | 14 | 20 |
| 2021 | 15 | 19 |
| 2022 | 12 | 9 |
| 2023 | 13 | 25 |
| 2024 | 8 | 18 |
| 2025 | 15 | 14 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Self-cleaning device and method using heating, multi-voltage applying or vibration7 Jul 2026US 12,673,350 B2AG Microsystems, Inc.
- Vacuum drying device and using method thereof16 Jun 2026US 12,656,060 B2Zhejiang University of Science and Technology
- Food waste dehydrator apparatus and methods of use9 Jun 2026US 12,650,262 B2
- Integrated drying process and device for dry granulated slag and sludge2 Jun 2026US 12,644,161 B2Baoshan Iron & Steel Co., Ltd.
- Electrode drying device19 May 2026US 12,631,395 B2LG Energy Solution, Ltd.
- Methods and apparatuses for drying electronic devices6 Aug 2026US 2026/0227128 A1Revive Electronics, LLC
- An arrangement for controlling temperature profile of a transferring device and a method thereof23 Jul 2026US 2026/0211435 A1Spinnova Oyj
- Oven and coating device18 Jun 2026US 2026/0168729 A1Contemporary Amperex Technology Co., Limited
- Waste drying device and waste drying method11 Jun 2026US 2026/0160492 A1Yuh Shan Environmental Engineering Co., Ltd.
- Manufacturing method of electrode plate, manufacturing method of power storage device, and drying device21 May 2026US 2026/0139900 A1Prime Planet Energy & Solutions, Inc.
Most cited
By later US patents
- Coated substrate drying system96US 5,694,701 AMinnesota Mining and Manufacturing Company · 1997
- Method and apparatus for drying fruit pulp and the like77US 4,631,837 A1986
- Vacuum-type automatic dehumidifying and drying apparatus for powdered or granular material72US 6,163,976 AKabushikikaisha Matsui Seisakusho · 2000
- Coated substrate drying system57US 5,581,905 AMinnesota Mining and Manufacturing Company · 1996
- Drying apparatus and method46US 5,522,156 A1996