F26B 17/12
Machines or apparatus for drying materials in loose, plastic, or fluidised form
Official title: with movement performed solely by gravity {, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft}
F26B17/12 (Machines or apparatus for drying materials in loose, plastic, or fluidised form) appears on 360 US grants and 264 published applications in this corpus.
Search patents in F26B- Granted patents
- 360
- Published applications
- 264
- Assignees
- 217
- Inventors
- 671
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 11 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 14 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 16 | 0 |
| 2001 | 8 | 0 |
| 2002 | 7 | 4 |
| 2003 | 4 | 5 |
| 2004 | 4 | 5 |
| 2005 | 3 | 6 |
| 2006 | 2 | 10 |
| 2007 | 6 | 6 |
| 2008 | 2 | 8 |
| 2009 | 0 | 11 |
| 2010 | 5 | 8 |
| 2011 | 4 | 12 |
| 2012 | 5 | 13 |
| 2013 | 8 | 8 |
| 2014 | 13 | 15 |
| 2015 | 13 | 17 |
| 2016 | 8 | 15 |
| 2017 | 15 | 9 |
| 2018 | 10 | 8 |
| 2019 | 3 | 16 |
| 2020 | 8 | 8 |
| 2021 | 10 | 15 |
| 2022 | 9 | 13 |
| 2023 | 10 | 15 |
| 2024 | 11 | 14 |
| 2025 | 11 | 13 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Plastic dehumidification and drying device15 Sep 2026US 12,736,284 B2
- Process for drying granular polymeric material and plant operating according to said process14 Jul 2026US 12,679,001 B2Pegaso Industries S.P.A.
- Spray-drier for the production of atomized ceramic powder from a water suspension of ceramic material28 Apr 2026US 12,611,612 B2Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Process for continuous supercritical drying of aerogel particles7 Apr 2026US 12,595,341 B2aerogel-it GmbH
- Grain dryer with directional containment baffles24 Mar 2026US 12,584,688 B2GSI Group Corporation
- Systems for drying of compositions and related methods8 Oct 2026US 2026/0309413 A1Ziccum AB
- Dehumidification drying system for synthetic resin molding material17 Sep 2026US 2026/0276303 A1Osaka Reiken Co., Ltd.
- Method and apparatus for heating air containing solids3 Sep 2026US 2026/0259001 A1Rinheat Oy
- Dehumidification drying system for synthetic resin molding material23 Jul 2026US 2026/0210629 A1Osaka Reiken Co., Ltd.
- Moisture sensors for granular materials18 Jun 2026US 2026/0168730 A1Novatec, Inc.
Most cited
By later US patents
- Low pressure dryer71US 7,234,247 B22007
- Drying-storing apparatus for powdered or granular material and feeding system for powdered or granular material62US 7,703,217 B2Kabushikikaisha Matsui Seisakusho · 2010
- Heat pump grain dryer52US 4,337,584 A1982
- Grain dryer and control system therefor46US 5,651,193 AGSI Group Corporation · 1997
- Grain dryer45US 4,914,834 A1990