C10
Petroleum, gas or coke industries
Official title: Petroleum, gas or coke industries; technical gases containing carbon monoxide; fuels; lubricants; peat
C10 (Petroleum, gas or coke industries) appears on 58,193 US grants and 45,876 published applications in this corpus.
Search patents in C10- Granted patents
- 58,193
- Published applications
- 45,876
- Assignees
- 11,454
- Inventors
- 74,637
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1054 | 0 |
| 1977 | 1080 | 0 |
| 1978 | 1176 | 0 |
| 1979 | 976 | 0 |
| 1980 | 1086 | 0 |
| 1981 | 1219 | 0 |
| 1982 | 1039 | 0 |
| 1983 | 1174 | 0 |
| 1984 | 1235 | 0 |
| 1985 | 1170 | 0 |
| 1986 | 905 | 0 |
| 1987 | 932 | 0 |
| 1988 | 927 | 0 |
| 1989 | 1130 | 0 |
| 1990 | 998 | 0 |
| 1991 | 1014 | 0 |
| 1992 | 941 | 0 |
| 1993 | 905 | 0 |
| 1994 | 980 | 0 |
| 1995 | 886 | 0 |
| 1996 | 814 | 0 |
| 1997 | 762 | 0 |
| 1998 | 960 | 0 |
| 1999 | 1005 | 0 |
| 2000 | 960 | 0 |
| 2001 | 955 | 264 |
| 2002 | 760 | 852 |
| 2003 | 803 | 1131 |
| 2004 | 726 | 1403 |
| 2005 | 548 | 1300 |
| 2006 | 621 | 1245 |
| 2007 | 610 | 1403 |
| 2008 | 687 | 1621 |
| 2009 | 770 | 1989 |
| 2010 | 1139 | 2298 |
| 2011 | 1238 | 2306 |
| 2012 | 1323 | 2272 |
| 2013 | 1694 | 2404 |
| 2014 | 1817 | 2562 |
| 2015 | 1929 | 2537 |
| 2016 | 1949 | 2313 |
| 2017 | 1882 | 2164 |
| 2018 | 1814 | 2093 |
| 2019 | 1819 | 1937 |
| 2020 | 1831 | 1922 |
| 2021 | 1653 | 1729 |
| 2022 | 1489 | 1812 |
| 2023 | 1329 | 1735 |
| 2024 | 1356 | 1807 |
| 2025 | 1232 | 1647 |
| 2026 | 891 | 1130 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
- C10GCracking hydrocarbon oils28,278
- C10MLubricating compositions14,673
- C10LFuels not otherwise provided for13,671
- C10NIndexing scheme associated with subclass c10m relating to lubricating compositions11,816
- C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or4,566
- C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or4,071
- C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide2,559
- C10CWorking-up pitch, asphalt, bitumen, tar1,015
All 10 subclassesShow fewer
Recent patents
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- Chemical-type hydrocracking catalyst, preparation method therefor, and application thereof6 Oct 2026US 12,752,264 B2China Petroleum & Chemical Corporation
- Coal water slurry concentration device6 Oct 2026US 12,752,280 B2Anhui University of Science and Technology
- Coral-reef-like bifunctional catalyst for biomass gasification to produce green hydrogen with simultaneous decarbonization, and preparation method and application thereof8 Oct 2026US 2026/0307057 A1Southeast University
- Iron manganese based catalyst, catalyst precursor and catalytic process8 Oct 2026US 2026/0307061 A1Oxford University Innovation Limited
- Combined hydrogen production and sustainable fuels production8 Oct 2026US 2026/0307986 A1Lummus Technology Inc.
- Thermal coupling of cement production with gasification8 Oct 2026US 2026/0308053 A1BASF SE
- Process and plant for producing synthetic paraffinic kerosene as jet fuel8 Oct 2026US 2026/0308082 A1Topsoe A/S
Most cited
By later US patents
- Integrated change management unit1,464US 7,356,482 B2Alternative Systems, Inc. · 2008
- Integrated change management unit1,440US 8,484,111 B2Applications in Internet Time, LLC · 2013
- Refrigerator oil, compressor oil composition, hydraulic fluid composition, metalworking fluid composition, heat treatment oil composition, lubricant composition for machine tool and lubricant composition779US 8,193,129 B2Nippon Oil Co., Ltd. · 2012
- Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation764US 4,234,435 AThe Lubrizol Corporation · 1980
- CVD of silicon-based ceramic materials on internal surface of a reactor587US 5,413,813 AEnichem S.p.A. · 1995