C10L 9/10
Treating solid fuels to improve their combustion: by using additives
Official title: by using additives
C10L9/10 (Treating solid fuels to improve their combustion: by using additives) appears on 387 US grants and 338 published applications in this corpus.
Search patents in C10L- Granted patents
- 387
- Published applications
- 338
- Assignees
- 255
- Inventors
- 780
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 10 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 14 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 13 | 0 |
| 1986 | 13 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 6 |
| 2003 | 2 | 16 |
| 2004 | 3 | 7 |
| 2005 | 1 | 12 |
| 2006 | 8 | 14 |
| 2007 | 9 | 11 |
| 2008 | 6 | 13 |
| 2009 | 5 | 21 |
| 2010 | 9 | 18 |
| 2011 | 7 | 21 |
| 2012 | 10 | 21 |
| 2013 | 14 | 16 |
| 2014 | 15 | 21 |
| 2015 | 13 | 25 |
| 2016 | 12 | 22 |
| 2017 | 14 | 9 |
| 2018 | 14 | 15 |
| 2019 | 8 | 15 |
| 2020 | 15 | 10 |
| 2021 | 12 | 17 |
| 2022 | 7 | 5 |
| 2023 | 8 | 7 |
| 2024 | 3 | 4 |
| 2025 | 3 | 6 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compositions for mitigating low speed pre-ignition events28 Jul 2026US 12,692,450 B2Chevron Oronite Company LLC
- Method and system for controlling mercury emissions from coal-fired thermal processes26 May 2026US 12,636,611 B2ARQ Solutions (ES), INC.
- Hydroxyl functional fluorinated monomers as combustion aids for solid fuel ramjet fuels28 Apr 2026US 12,612,573 B1
- Clean coal for combustion and preparation method thereof24 Mar 2026US 12,584,073 B2Ningbo Jiufeng Thermoelectricity Company Limited
- Briquettes24 Mar 2026US 12,584,074 B2Binding Solutions Ltd
- 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
- Compound catalysts for environmentally friendly combustion of fuels6 Aug 2026US 2026/0226362 A1
- Waste-based additive for solid fuel and related methods30 Jul 2026US 2026/0218077 A1Rouse Energy Enterprises LLC
- Thermoplastic-based energetic material production7 May 2026US 2026/0125610 A1Firehawk Aerospace, Inc.
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
- Reducing mercury emissions from the burning of coal97US 7,776,301 B2NOx II, Ltd. · 2010
- Nitrogenous sorbent for coal combustion96US 7,468,170 B22008
- Method and composition for decreasing emissions of sulfur oxides and nitrogen oxides94US 4,824,441 AGenesis Research Corporation · 1989
- Low sulfur coal additive for improved furnace operation92US 7,332,002 B2ADA Environmental Solutions, LLC · 2008