C10L 1/322
Coal-oil suspensions
Official title: {Coal-oil suspensions}
C10L1/322 (Coal-oil suspensions) appears on 172 US grants and 80 published applications in this corpus.
Search patents in C10L- Granted patents
- 172
- Published applications
- 80
- Assignees
- 106
- Inventors
- 322
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 16 | 0 |
| 1982 | 9 | 0 |
| 1983 | 9 | 0 |
| 1984 | 12 | 0 |
| 1985 | 11 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 5 |
| 2007 | 0 | 1 |
| 2008 | 4 | 2 |
| 2009 | 1 | 10 |
| 2010 | 1 | 4 |
| 2011 | 1 | 3 |
| 2012 | 5 | 1 |
| 2013 | 2 | 4 |
| 2014 | 4 | 3 |
| 2015 | 3 | 4 |
| 2016 | 3 | 2 |
| 2017 | 3 | 5 |
| 2018 | 1 | 10 |
| 2019 | 2 | 2 |
| 2020 | 4 | 5 |
| 2021 | 1 | 2 |
| 2022 | 5 | 4 |
| 2023 | 4 | 2 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solid-liquid crude oil compositions and fractionation processes thereof13 Jan 2026US 12,522,768 B2Arq IP Limited
- High-energy-density slurry fuel, preparation method, and application4 Nov 2025US 12,460,144 B2Hubei Institute of Aerospace Chemical Technology
- Processes for utilisation of purified coal compositions as a chemical and thermal feedstock and cleaner burning fuel17 Sep 2024US 12,091,626 B2Arq IP Limited
- Solid-liquid crude oil compositions and fractionation processes thereof8 Aug 2023US 11,718,794 B2Arq IP Limited
- Droplet for fuels25 Apr 2023US 11,634,653 B2Kamterter Products, LLC
- Fuel oil / particulate material slurry compositions and processes31 Jul 2025US 2025/0243420 A1Arq IP Limited
- Oily biofuel suspension and method for manufacturing same6 Feb 2025US 2025/0043205 A1Tecnored Desenvolvimento TecnolóGico S/A
- Flammable multi-purpose organic fire starter12 Dec 2024US 2024/0409836 A1
- High-energy-density slurry fuel, preparation method, and application31 Oct 2024US 2024/0360374 A1Hubei Institute of Aerospace Chemical Technology
- Solid-liquid crude oil compositions and fractionation processes thereof10 Oct 2024US 2024/0336848 A1Arq IP Limited
Most cited
By later US patents
- Coal derived/carbon dioxide fuel slurry and method of manufacture43US 4,702,747 ACarbon Fuels Corporation · 1987
- Stabilized fuel slurry41US 4,251,229 ADai-Ichi Kogyo Seiyaku Co., Ltd. · 1981
- Stabilized slurry and process for preparing same36US 4,441,887 AAlfred University Research Foundation, Inc. · 1984
- Fluid fuel from coal and method of making same36US 4,762,528 A1988
- Method for refining coal utilizing short residence time hydrocracking with selective condensation to produce a slate of value-added co-products29US 5,240,592 ACarbon Fuels Corporation · 1993