C10L 9/00
Treating solid fuels to improve their combustion
C10L9/00 (Treating solid fuels to improve their combustion) appears on 1,433 US grants and 1,250 published applications in this corpus.
Search patents in C10L- Granted patents
- 1,433
- Published applications
- 1,250
- Assignees
- 826
- Inventors
- 2,828
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 34 | 0 |
| 1978 | 46 | 0 |
| 1979 | 35 | 0 |
| 1980 | 37 | 0 |
| 1981 | 59 | 0 |
| 1982 | 35 | 0 |
| 1983 | 30 | 0 |
| 1984 | 32 | 0 |
| 1985 | 42 | 0 |
| 1986 | 31 | 0 |
| 1987 | 23 | 0 |
| 1988 | 25 | 0 |
| 1989 | 29 | 0 |
| 1990 | 14 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 9 | 0 |
| 1994 | 17 | 0 |
| 1995 | 10 | 0 |
| 1996 | 21 | 0 |
| 1997 | 13 | 0 |
| 1998 | 14 | 0 |
| 1999 | 18 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 0 |
| 2002 | 9 | 9 |
| 2003 | 7 | 22 |
| 2004 | 6 | 13 |
| 2005 | 3 | 20 |
| 2006 | 10 | 29 |
| 2007 | 12 | 25 |
| 2008 | 10 | 29 |
| 2009 | 8 | 50 |
| 2010 | 20 | 60 |
| 2011 | 22 | 86 |
| 2012 | 41 | 93 |
| 2013 | 50 | 65 |
| 2014 | 39 | 107 |
| 2015 | 65 | 101 |
| 2016 | 62 | 94 |
| 2017 | 73 | 65 |
| 2018 | 71 | 67 |
| 2019 | 52 | 50 |
| 2020 | 48 | 40 |
| 2021 | 36 | 57 |
| 2022 | 39 | 48 |
| 2023 | 32 | 42 |
| 2024 | 32 | 36 |
| 2025 | 28 | 24 |
| 2026 | 15 | 18 |
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
- Compositions for mitigating low speed pre-ignition events28 Jul 2026US 12,692,450 B2Chevron Oronite Company 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
- 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 promoting combustion of combustible and enhancing power output and usage life of combustion equipment27 Aug 2026US 2026/0250589 A1Qingdao Hengnengda Energy Technologies Co., Ltd.
- Method for manufacturing combustion aid for addition before fossil fuel combustion and desulfurization catalyst27 Aug 2026US 2026/0250590 A1
- Method for producing biofuel, apparatus for producing biofuel, and bio-oil13 Aug 2026US 2026/0234485 A1Korea Institute of Energy Research
Most cited
By later US patents
- Method for producing a dried coal fuel having a reduced tendency to spontaneously ignite from a low rank coal127US 4,396,394 AAtlantic Richfield Company · 1983
- 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
- Process for modification of coal104US 4,645,513 AIdemitsu Kosan Co., Ltd. · 1987
- Process for improving low quality coal101US 4,508,539 AIdemitsu Kosan Co., Ltd. · 1985