C10M 171/02
Specified values of viscosity or viscosity index
C10M171/02 (Specified values of viscosity or viscosity index) appears on 184 US grants and 311 published applications in this corpus.
Search patents in C10M- Granted patents
- 184
- Published applications
- 311
- Assignees
- 84
- Inventors
- 584
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 5 |
| 2004 | 1 | 19 |
| 2005 | 6 | 4 |
| 2006 | 2 | 13 |
| 2007 | 3 | 10 |
| 2008 | 4 | 17 |
| 2009 | 7 | 15 |
| 2010 | 8 | 11 |
| 2011 | 10 | 15 |
| 2012 | 8 | 11 |
| 2013 | 9 | 14 |
| 2014 | 13 | 13 |
| 2015 | 5 | 7 |
| 2016 | 12 | 8 |
| 2017 | 3 | 7 |
| 2018 | 2 | 28 |
| 2019 | 14 | 22 |
| 2020 | 15 | 25 |
| 2021 | 8 | 19 |
| 2022 | 12 | 5 |
| 2023 | 8 | 12 |
| 2024 | 4 | 12 |
| 2025 | 15 | 7 |
| 2026 | 2 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Grease composition for vehicular hub unit bearings11 Nov 2025US 12,467,012 B2Kyodo Yushi Co., Ltd.
- Production of cylinder oil21 Oct 2025US 12,448,585 B2A. P. Møller-Mærsk A/S
- Lubricant fluids with reduced pour point24 Sep 2026US 2026/0286246 A1ExxonMobil Technology and Engineering Company
- Circulating oils having a performance additive package and related methods13 Aug 2026US 2026/0234489 A1ExxonMobil Technology and Engineering Company
- Lubricant compositions having two base oil stocks13 Aug 2026US 2026/0234494 A1ExxonMobil Technology and Engineering Company
- High performance gear oils and related methods13 Aug 2026US 2026/0234495 A1ExxonMobil Technology and Engineering Company
- High performance wind turbine gear oils and related methods13 Aug 2026US 2026/0234496 A1ExxonMobil Technology and Engineering Company
Most cited
By later US patents
- Base oil manufacturing plant246US 8,956,581 B2Chevron U.S.A.Inc. · 2015
- Synthetic isoparaffinic premium heavy lubricant base stock36US 6,846,778 B2ExxonMobil Research and Engineering Company · 2005
- Lube base oils with improved yield25US 6,627,779 B2Chevron U.S.A.Inc. · 2003
- Functional fluid lubricant using low Noack volatility base stock fluids24US 6,869,917 B2ExxonMobil Chemical Patents Inc. · 2005
- Lubricant composition and method for producing same23US 8,563,486 B2Jx Nippon Oil & Energy Corporation · 2013