C10M 175/0008
Working-up used lubricants to recover useful products: with the use of adsorbentia
Official title: {with the use of adsorbentia}
C10M175/0008 (Working-up used lubricants to recover useful products: with the use of adsorbentia) appears on 35 US grants and 52 published applications in this corpus.
Search patents in C10M- Granted patents
- 35
- Published applications
- 52
- Assignees
- 32
- Inventors
- 101
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 3 | 5 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 3 |
| 2012 | 2 | 4 |
| 2013 | 0 | 3 |
| 2014 | 3 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 6 |
| 2021 | 5 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 3 |
| 2025 | 4 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Systems and methods for collecting and transporting biofuel components2 Sep 2025US 12,404,470 B2
- Systems and methods for collecting and transporting biofuel components12 Aug 2025US 12,384,979 B2
- Solvent extraction system and method5 Aug 2025US 12,377,367 B2Skf Recondoil AB
- Enhancement of the byproducts of a regeneration process of exhaust oils1 Apr 2025US 12,264,285 B2ITELYUM REGENERATION S.p.A.
- Systems and methods for collecting and transporting biofuel components9 Jul 2026US 2026/0193557 A1
- Method of using machine oil, machine oil regeneration system, and method of adding machine oil regeneration unit9 Jul 2026US 2026/0193562 A1Mitsubishi Heavy Industries, Ltd.
- Systems and methods for collecting and transporting biofuel components13 Nov 2025US 2025/0346822 A1
- Systems and methods for collecting and transporting biofuel components17 Apr 2025US 2025/0122439 A1
- Compositions for Engine Carbon Removal from Lubricated Components13 Feb 2025US 2025/0051681 A1ATS Chemical, LLC
Most cited
By later US patents
- Method for removing polynuclear aromatics from used lubricating oils111US 5,225,081 AExxon Research & Engineering Co. · 1993
- Method of reducing the presence of sludge in lubricating oils39US 5,042,617 AExxon Research & Engineering Co. · 1991
- Method of reducing sludge and varnish precursors in lubricating oils39US 5,478,463 AExxon Chemical Patents Inc. · 1995
- Method and apparatus using super absorbent polymers for dehydration of oil25US 7,033,493 B2Stockhausen GmbH & Co. KG · 2006
- Refining of used oils using membrane- and adsorption-based processes23US 6,024,880 A2000