C10J 2300/093
Coal
C10J2300/093 (Coal) appears on 1,418 US grants and 1,001 published applications in this corpus.
Search patents in C10J- Granted patents
- 1,418
- Published applications
- 1,001
- Assignees
- 545
- Inventors
- 2,490
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 48 | 0 |
| 1977 | 53 | 0 |
| 1978 | 53 | 0 |
| 1979 | 44 | 0 |
| 1980 | 55 | 0 |
| 1981 | 56 | 0 |
| 1982 | 60 | 0 |
| 1983 | 56 | 0 |
| 1984 | 63 | 0 |
| 1985 | 43 | 0 |
| 1986 | 34 | 0 |
| 1987 | 34 | 0 |
| 1988 | 29 | 0 |
| 1989 | 21 | 0 |
| 1990 | 13 | 0 |
| 1991 | 11 | 0 |
| 1992 | 12 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 2 |
| 2002 | 0 | 3 |
| 2003 | 6 | 11 |
| 2004 | 8 | 17 |
| 2005 | 6 | 20 |
| 2006 | 7 | 21 |
| 2007 | 9 | 41 |
| 2008 | 8 | 66 |
| 2009 | 12 | 78 |
| 2010 | 34 | 116 |
| 2011 | 39 | 88 |
| 2012 | 55 | 77 |
| 2013 | 77 | 81 |
| 2014 | 61 | 72 |
| 2015 | 76 | 59 |
| 2016 | 66 | 47 |
| 2017 | 42 | 35 |
| 2018 | 41 | 27 |
| 2019 | 27 | 18 |
| 2020 | 22 | 27 |
| 2021 | 14 | 19 |
| 2022 | 18 | 24 |
| 2023 | 17 | 14 |
| 2024 | 13 | 17 |
| 2025 | 8 | 14 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquefaction process6 Oct 2026US 12,753,353 B1
- Drying furnace device of gasifier capable of automatically adjusting temperature15 Sep 2026US 12,735,650 B2Anhui University of Science and Technology
- Cellulose ester compositions derived from recycled Cellulose ester content syngas25 Aug 2026US 12,715,938 B2Eastman Chemical Company
- Looping reaction hydrogen production system and hydrogen production method9 Jun 2026US 12,649,656 B2Dongfang Boiler Group Co., Ltd.
- Gasification of densified textiles and solid fossil fuels to produce organic compounds9 Jun 2026US 12,649,883 B2Eastman Chemical Company
- Gasification of densified textiles and solid fossil fuels to produce organic compounds10 Sep 2026US 2026/0265624 A1Eastman Chemical Company
- Integrated scrubbing operations for processing of syngas from gasification30 Jul 2026US 2026/0218074 A1SunGas Renewables, Inc.
- Systems and methods for chemical looping pyrolysis of carbonaceous solid fuels16 Jul 2026US 2026/0201261 A1
- Systems, Methods and Apparatus for Producing Sustainable Aviation Fuel From Coal28 May 2026US 2026/0145156 A1
- Radiant syngas cooler7 May 2026US 2026/0125263 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Coal gasification and hydrogen production system and method301US 5,955,039 ASiemens Westinghouse Power Corporation · 1999
- Process for the manufacture of gasoline300US 4,138,442 AMobil Oil Corporation · 1979
- Methanol from coal and natural gas294US 4,407,973 AThe M. W. Kellogg Company · 1983
- Process for producing methanol292US 4,277,416 AAminoil, USA, Inc. · 1981
- Method for the production of hydrogen-containing gaseous mixtures233US 6,685,754 B2Alchemix Corporation · 2004