C10M 2203/10
Petroleum or coal fractions
Official title: Petroleum or coal fractions, e.g. tars, solvents, bitumen
C10M2203/10 (Petroleum or coal fractions) appears on 2,803 US grants and 3,161 published applications in this corpus.
Search patents in C10M- Granted patents
- 2,803
- Published applications
- 3,161
- Assignees
- 828
- Inventors
- 5,345
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 46 | 0 |
| 1977 | 26 | 0 |
| 1978 | 41 | 0 |
| 1979 | 34 | 0 |
| 1980 | 22 | 0 |
| 1981 | 30 | 0 |
| 1982 | 24 | 0 |
| 1983 | 18 | 0 |
| 1984 | 29 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 30 | 0 |
| 1989 | 26 | 0 |
| 1990 | 28 | 0 |
| 1991 | 43 | 0 |
| 1992 | 41 | 0 |
| 1993 | 33 | 0 |
| 1994 | 45 | 0 |
| 1995 | 34 | 0 |
| 1996 | 34 | 0 |
| 1997 | 38 | 0 |
| 1998 | 40 | 0 |
| 1999 | 44 | 0 |
| 2000 | 36 | 0 |
| 2001 | 43 | 8 |
| 2002 | 23 | 43 |
| 2003 | 45 | 73 |
| 2004 | 35 | 96 |
| 2005 | 37 | 82 |
| 2006 | 25 | 91 |
| 2007 | 22 | 101 |
| 2008 | 36 | 106 |
| 2009 | 38 | 129 |
| 2010 | 70 | 137 |
| 2011 | 87 | 149 |
| 2012 | 85 | 185 |
| 2013 | 89 | 142 |
| 2014 | 135 | 156 |
| 2015 | 129 | 183 |
| 2016 | 116 | 158 |
| 2017 | 95 | 176 |
| 2018 | 117 | 188 |
| 2019 | 132 | 198 |
| 2020 | 126 | 128 |
| 2021 | 115 | 107 |
| 2022 | 120 | 141 |
| 2023 | 88 | 111 |
| 2024 | 76 | 103 |
| 2025 | 92 | 110 |
| 2026 | 54 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Conductive grease formulations and grounding solutions for electric drive unit22 Sep 2026US 12,742,130 B2Tesla, Inc.
- Process to make finished base oils and white oils from dewaxed bulk base oils25 Aug 2026US 12,716,037 B2Chevron U. S. A. Inc.
- Furan based compositions and methods of making thereof11 Aug 2026US 12,703,689 B2University of Delaware
- Alkylated napthalene blendstocks and processes for producing the same11 Aug 2026US 12,703,833 B2ExxonMobil Technology and Engineering Company
- Structured assembly lubricant4 Aug 2026US 12,698,452 B2Vgp Ipco LLC
- Lubricating compositions8 Oct 2026US 2026/0308473 A1Tribodyn, Inc.
- Water-soluble metalworking oil agent1 Oct 2026US 2026/0297450 A1Idemitsu Kosan Co., Ltd.
- Lubricating oil composition24 Sep 2026US 2026/0286244 A1Idemitsu Kosan Co., Ltd.
- Lubricating oil composition10 Sep 2026US 2026/0265635 A1Idemitsu Kosan Co., Ltd.
- Grease composition10 Sep 2026US 2026/0265636 A1Adeka Corporation
Most cited
By later US patents
- 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
- Isoparaffinic lube basestock compositions148US 6,090,989 AMobil Oil Corporation · 2000
- Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions124US 4,517,104 AExxon Research & Engineering Co. · 1985
- Extended life functional fluid116US 3,933,659 AChevron Research Company · 1976
- Coating and bonding composition115US 5,286,393 AJet-Lube, Inc. · 1994