F26B 23/028
Using solid fuel
Official title: {using solid fuel; burning the dried product}
F26B23/028 (Using solid fuel) appears on 86 US grants and 79 published applications in this corpus.
Search patents in F26B- Granted patents
- 86
- Published applications
- 79
- Assignees
- 81
- Inventors
- 199
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 3 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 2 |
| 2009 | 1 | 5 |
| 2010 | 0 | 8 |
| 2011 | 1 | 6 |
| 2012 | 0 | 1 |
| 2013 | 3 | 5 |
| 2014 | 3 | 3 |
| 2015 | 1 | 3 |
| 2016 | 4 | 3 |
| 2017 | 3 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 4 |
| 2021 | 1 | 3 |
| 2022 | 3 | 5 |
| 2023 | 4 | 10 |
| 2024 | 3 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal sludge to energy transformer14 Jul 2026US 12,680,695 B2Gate 5 Energy Partners, Inc.
- Method and treatment facility for physical and thermochemical treatment of biomass2 Dec 2025US 12,486,460 B2Next Generation Elements GmbH
- Biomass dehydration system11 Nov 2025US 12,467,684 B2Colorado State University Research Foundation
- Method and slurry treatment plant for reducing methane emission from slurry produced in a livestock farm19 Aug 2025US 12,391,594 B2Stiesdal SkyClean A/S
- Slurry drying plant, a method for drying slurry and use of a slurry drying plant3 Sep 2024US 12,078,416 B2AquaGreen License ApS
- Multi-modal drying apparatus17 Sep 2026US 2026/0276302 A1
- Thermal sludge to energy transformer9 Jan 2025US 2025/0012439 A1Gate 5 Energy Partners, Inc.
- Methods and systems for processing raw wood fiber27 Jun 2024US 2024/0210108 A1Daizen Log-Tech Ltd.
- Biogenic Refinery14 Mar 2024US 2024/0083774 A1DYPER Inc.
- Thermal sludge to energy transformer23 Nov 2023US 2023/0375175 A1Gate 5 Energy Partners, Inc.
Most cited
By later US patents
- Biomass converters and processes43US 7,334,345 B2Skill Associates, Inc. · 2008
- Process for the efficient conversion of water-containing organic materials as fuels into energy42US 4,290,269 AMoDo-Chemetics AB · 1981
- Thermal recovery system31US 3,945,331 AEnertherm, Inc. · 1976
- Grain drying system with high efficiency dehumidifier and modular drying bin27US 6,209,223 B1Advanced Dryer Systems, Inc. · 2001
- Flash drying sludge derived fuel process26US 4,213,407 AHooker Chemicals & Plastics Corporation · 1980