F26B 3/32
Drying solid materials or objects by processes involving the application of heat
Official title: by development of heat within the materials or objects to be dried {, e.g. by fermentation or other microbiological action}
F26B3/32 (Drying solid materials or objects by processes involving the application of heat) appears on 512 US grants and 423 published applications in this corpus.
Search patents in F26B- Granted patents
- 512
- Published applications
- 423
- Assignees
- 330
- Inventors
- 1,089
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 15 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 13 | 0 |
| 1993 | 13 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 0 |
| 2002 | 13 | 7 |
| 2003 | 15 | 11 |
| 2004 | 5 | 16 |
| 2005 | 2 | 10 |
| 2006 | 7 | 10 |
| 2007 | 3 | 13 |
| 2008 | 6 | 12 |
| 2009 | 5 | 12 |
| 2010 | 4 | 17 |
| 2011 | 11 | 12 |
| 2012 | 5 | 23 |
| 2013 | 12 | 21 |
| 2014 | 11 | 17 |
| 2015 | 17 | 26 |
| 2016 | 19 | 20 |
| 2017 | 21 | 22 |
| 2018 | 16 | 24 |
| 2019 | 28 | 18 |
| 2020 | 17 | 23 |
| 2021 | 22 | 25 |
| 2022 | 16 | 25 |
| 2023 | 23 | 15 |
| 2024 | 8 | 13 |
| 2025 | 12 | 16 |
| 2026 | 7 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and method of microwave vacuum drying sterile products18 Aug 2026US 12,710,229 B2Merck Sharp & Dohme Corp.
- Dielectric drying method and dielectric drying apparatus for ceramic formed bodies, and method for producing ceramic structures21 Jul 2026US 12,686,646 B2NGK Insulators, Ltd.
- Food waste dehydrator apparatus and methods of use9 Jun 2026US 12,650,262 B2
- Continuous microwave drying for vaccines24 Mar 2026US 12,584,687 B2
- Device with a microwave shielding container17 Mar 2026US 12,581,627 B2Sharp Kabushiki Kaisha
- Machine for treating waste with a perfected closing system of the loading opening of the treatment cell13 Aug 2026US 2026/0233269 A1Ompeco S.r.l.
- Dielectric drying method and dielectric drying apparatus for ceramic formed bodies, and method for producing ceramic structures13 Aug 2026US 2026/0234068 A1NGK Corporation
- Machine for treating waste with a heated air supply assembly13 Aug 2026US 2026/0235356 A1Ompeco S.r.l.
- Drying method by drying device, drying device, and recording device23 Jul 2026US 2026/0208506 A1Seiko Epson Corporation
- Plastic drying device18 Jun 2026US 2026/0168727 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Drying apparatus and methods and accessories for use therewith84US 8,839,527 B2Goji Limited · 2014
- Method of transforming sludge into ecologically acceptable solid material63US 4,079,003 A1978
- Apparatus for heating purge gas and transmitting microwave energy for desiccant regeneration63US 5,581,903 A1996
- High efficiency material drying55US 4,330,946 A1982
- Dehydration plant53US 6,233,841 B1Australian Rural Dehydration Enterprise Pty. Ltd. · 2001