C10M 2207/04
Ethers
Official title: Ethers; Acetals; Ortho-esters; Ortho-carbonates
C10M2207/04 (Ethers) appears on 1,292 US grants and 931 published applications in this corpus.
Search patents in C10M- Granted patents
- 1,292
- Published applications
- 931
- Assignees
- 428
- Inventors
- 2,286
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 67 | 0 |
| 1977 | 46 | 0 |
| 1978 | 48 | 0 |
| 1979 | 38 | 0 |
| 1980 | 36 | 0 |
| 1981 | 27 | 0 |
| 1982 | 16 | 0 |
| 1983 | 6 | 0 |
| 1984 | 16 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 14 | 0 |
| 1990 | 19 | 0 |
| 1991 | 16 | 0 |
| 1992 | 23 | 0 |
| 1993 | 18 | 0 |
| 1994 | 27 | 0 |
| 1995 | 32 | 0 |
| 1996 | 31 | 0 |
| 1997 | 25 | 0 |
| 1998 | 43 | 0 |
| 1999 | 18 | 0 |
| 2000 | 29 | 0 |
| 2001 | 33 | 4 |
| 2002 | 21 | 23 |
| 2003 | 26 | 26 |
| 2004 | 16 | 23 |
| 2005 | 12 | 29 |
| 2006 | 10 | 38 |
| 2007 | 10 | 40 |
| 2008 | 14 | 27 |
| 2009 | 15 | 35 |
| 2010 | 16 | 45 |
| 2011 | 28 | 37 |
| 2012 | 25 | 50 |
| 2013 | 34 | 41 |
| 2014 | 35 | 57 |
| 2015 | 38 | 50 |
| 2016 | 34 | 47 |
| 2017 | 43 | 61 |
| 2018 | 35 | 64 |
| 2019 | 46 | 43 |
| 2020 | 48 | 39 |
| 2021 | 35 | 23 |
| 2022 | 31 | 31 |
| 2023 | 18 | 37 |
| 2024 | 24 | 18 |
| 2025 | 15 | 29 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Furan based compositions and methods of making thereof11 Aug 2026US 12,703,689 B2University of Delaware
- Lubricating oil composition for hybrid vehicles21 Jul 2026US 12,686,831 B2Chevron Oronite Company LLC
- Refrigerator oil composition and mixed composition for refrigerator12 May 2026US 12,624,306 B2Idemitsu Kosan Co., Ltd.
- Rolling bearing and method of manufacturing same14 Apr 2026US 12,601,376 B2Aktiebolaget Skf
- Dinaphthyl ether compound and lubricant composition containing same31 Mar 2026US 12,590,048 B2Moresco Corporation
- Water-soluble metalworking oil agent1 Oct 2026US 2026/0297450 A1Idemitsu Kosan Co., Ltd.
- Lubricating oil composition24 Sep 2026US 2026/0286244 A1Idemitsu Kosan Co., Ltd.
- Base oil for refrigerator oil, refrigerator oil, and working fluid composition17 Sep 2026US 2026/0275222 A1Eneos Corporation
- Processing fluid17 Sep 2026US 2026/0275229 A1Idemitsu Kosan Co., Ltd.
- New low-viscosity functional liquids10 Sep 2026US 2026/0265632 A1BASF SE
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
- Water-dispersible hydrophobic thickening agent122US 4,432,881 AThe Dow Chemical Company · 1984
- Coating and bonding composition115US 5,286,393 AJet-Lube, Inc. · 1994
- Coating and bonding composition113US 5,348,668 AJet-Lube, Inc. · 1994
- Sulfurized compositions102US 4,119,549 AThe Lubrizol Corporation · 1978