F26B 3/18
Drying solid materials or objects by processes involving the application of heat
Official title: by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
F26B3/18 (Drying solid materials or objects by processes involving the application of heat) appears on 359 US grants and 313 published applications in this corpus.
Search patents in F26B- Granted patents
- 359
- Published applications
- 313
- Assignees
- 284
- Inventors
- 880
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 2 | 0 |
| 1979 | 9 | 0 |
| 1980 | 13 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 11 | 0 |
| 1984 | 2 | 0 |
| 1985 | 10 | 0 |
| 1986 | 15 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 4 |
| 2004 | 2 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 8 |
| 2007 | 1 | 5 |
| 2008 | 4 | 5 |
| 2009 | 5 | 2 |
| 2010 | 1 | 7 |
| 2011 | 1 | 5 |
| 2012 | 4 | 9 |
| 2013 | 4 | 7 |
| 2014 | 9 | 18 |
| 2015 | 6 | 12 |
| 2016 | 6 | 5 |
| 2017 | 6 | 16 |
| 2018 | 19 | 23 |
| 2019 | 14 | 15 |
| 2020 | 18 | 26 |
| 2021 | 16 | 22 |
| 2022 | 17 | 17 |
| 2023 | 16 | 33 |
| 2024 | 10 | 26 |
| 2025 | 21 | 23 |
| 2026 | 13 | 18 |
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
- Substrate processing method and substrate processing apparatus16 Jun 2026US 12,656,061 B2SCREEN Holdings Co., Ltd.
- 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.
- Cleaning assembly, cleaning device, and cleaning system10 Sep 2026US 2026/0262904 A1Dreame Innovation Technology (Suzhou) Co., Ltd.
- Oven appliance utensil drying10 Sep 2026US 2026/0266541 A1Haier US Appliance Solutions, Inc.
- Systems and methods for annealing frozen bulk in dynamic bulk freeze drying20 Aug 2026US 2026/0243513 A1Pfizer Inc.
- 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
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
- Drying-storing apparatus for powdered or granular material and feeding system for powdered or granular material62US 7,703,217 B2Kabushikikaisha Matsui Seisakusho · 2010
- Coated substrate drying system57US 5,581,905 AMinnesota Mining and Manufacturing Company · 1996