C10L 9/08
Treating solid fuels to improve their combustion: by heat treatments
Official title: by heat treatments, e.g. calcining
C10L9/08 (Treating solid fuels to improve their combustion: by heat treatments) appears on 598 US grants and 816 published applications in this corpus.
Search patents in C10L- Granted patents
- 598
- Published applications
- 816
- Assignees
- 451
- Inventors
- 1,480
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 2 |
| 2004 | 0 | 4 |
| 2005 | 0 | 6 |
| 2006 | 0 | 13 |
| 2007 | 2 | 13 |
| 2008 | 3 | 13 |
| 2009 | 3 | 25 |
| 2010 | 11 | 34 |
| 2011 | 12 | 60 |
| 2012 | 28 | 72 |
| 2013 | 35 | 48 |
| 2014 | 24 | 77 |
| 2015 | 48 | 71 |
| 2016 | 45 | 67 |
| 2017 | 51 | 44 |
| 2018 | 49 | 48 |
| 2019 | 39 | 28 |
| 2020 | 30 | 22 |
| 2021 | 21 | 37 |
| 2022 | 28 | 38 |
| 2023 | 23 | 35 |
| 2024 | 24 | 30 |
| 2025 | 21 | 18 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing a biofuel by steam cracking18 Aug 2026US 12,709,715 B2Europeenne De Biomasse
- Water-resistant and durable biocarbon pellets, and methods for making and using the same11 Aug 2026US 12,703,832 B2Carbon Technology Holdings, LLC
- Biocarbon compositions with optimized compositional parameters, and processes for producing the same16 Jun 2026US 12,655,061 B2Carbon Technology Holdings, LLC
- Biocarbon pellets with adjustable grindability index16 Jun 2026US 12,655,362 B2Carbon Technology Holdings, LLC
- Carbon-negative metallurgical products16 Jun 2026US 12,655,487 B2Carbon Technology Holdings, LLC
- Device for the treatment of a solid feedstock, comprising recycling of the solid feedstock1 Oct 2026US 2026/0297446 A1Avril
- Solvothermal liquefaction of waste24 Sep 2026US 2026/0286230 A1
- Method for producing biofuel, apparatus for producing biofuel, and bio-oil13 Aug 2026US 2026/0234485 A1Korea Institute of Energy Research
- Method for producing agglomerates mainly composed of carbon23 Jul 2026US 2026/0209049 A1Jfe Steel Corporation
- Systems and methods for processing biomass18 Jun 2026US 2026/0167868 A1CHAR Technologies Research Inc.
Most cited
By later US patents
- Process for the production of liquid fuels from biomass113US 7,262,331 B2Biofuel, Inc. · 2007
- Process for converting ligneous matter of vegetable origin by torrefaction, and product obtained thereby109US 4,553,978 AAssociation Pour La Recherche Et Le Developpement Des Methodes Et Processus Industriels · 1985
- Method and apparatus for biomass torrefaction, manufacturing a storable fuel from biomass and producing offsets for the combustion products of fossil fuels and a combustible article of manufacture79US 7,942,942 B22011
- Process and device for treating biomass71US 8,105,400 B2Stichting Energieonderzoek Centrum Nederland · 2012
- Method and system for the torrefaction of lignocellulosic material67US 8,449,724 B2Andritz Technology and Asset Management GmbH · 2013