F26B 3/04
The gas or vapour circulating over or surrounding the materials or objects
Official title: the gas or vapour circulating over or surrounding the materials or objects to be dried (F26B3/14 takes precedence)
F26B3/04 (The gas or vapour circulating over or surrounding the materials or objects) appears on 443 US grants and 686 published applications in this corpus.
Search patents in F26B- Granted patents
- 443
- Published applications
- 686
- Assignees
- 356
- Inventors
- 1,509
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 7 |
| 2012 | 1 | 9 |
| 2013 | 4 | 7 |
| 2014 | 10 | 10 |
| 2015 | 7 | 12 |
| 2016 | 6 | 30 |
| 2017 | 15 | 40 |
| 2018 | 36 | 58 |
| 2019 | 37 | 40 |
| 2020 | 35 | 55 |
| 2021 | 52 | 62 |
| 2022 | 33 | 57 |
| 2023 | 38 | 73 |
| 2024 | 42 | 77 |
| 2025 | 49 | 72 |
| 2026 | 27 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- 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
- Dryer for ceramic products8 Sep 2026US 12,729,912 B2System Ceramics S.P.A.
- Drying device with automatically adjustable shield film8 Sep 2026US 12,729,913 B2LG Energy Solution, Ltd.
- Apparatus for feeding solid fuel feedstock into a furnace8 Oct 2026US 2026/0309324 A1British American Tobacco (Investments) Limited
- 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 2026/0298534 A1CPM Packaging Ltd
- Oven for heating an article on a conveyor1 Oct 2026US 2026/0298537 A1CPM Packaging Ltd
- Oven for heating an article on a conveyor1 Oct 2026US 2026/0298538 A1CPM Packaging Ltd
Most cited
By later US patents
- Formulations and methods for contemporaneous stabilization of active proteins during spray drying and storage52US 9,545,379 B2Velico Medical, Inc. · 2017
- Process for accelerated drying of green wood51US 5,836,086 A1998
- Apparatus for treating green wood and for accelerating drying of green wood49US 6,119,364 A2000
- Rotatable support elements for stents41US 8,003,156 B2Advanced Cardiovascular Systems, Inc. · 2011
- Formulations and methods for contemporaneous stabilization of active proteins during spray drying and storage40US 11,052,045 B2Velico Medical, Inc. · 2021