C10G 31/09
Refining of hydrocarbon oils, in the absence of hydrogen, by methods not
Official title: by filtration
C10G31/09 (Refining of hydrocarbon oils, in the absence of hydrogen, by methods not) appears on 247 US grants and 332 published applications in this corpus.
Search patents in C10G- Granted patents
- 247
- Published applications
- 332
- Assignees
- 188
- Inventors
- 808
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 4 |
| 2006 | 2 | 3 |
| 2007 | 0 | 6 |
| 2008 | 2 | 5 |
| 2009 | 2 | 8 |
| 2010 | 6 | 9 |
| 2011 | 4 | 13 |
| 2012 | 4 | 18 |
| 2013 | 13 | 13 |
| 2014 | 10 | 21 |
| 2015 | 16 | 15 |
| 2016 | 14 | 33 |
| 2017 | 15 | 18 |
| 2018 | 20 | 21 |
| 2019 | 18 | 23 |
| 2020 | 15 | 11 |
| 2021 | 9 | 13 |
| 2022 | 5 | 7 |
| 2023 | 13 | 17 |
| 2024 | 8 | 21 |
| 2025 | 12 | 26 |
| 2026 | 12 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for conversion of mixed plastic wastes to a liquid hydrocarbon product25 Aug 2026US 12,716,034 B2Sabic Global Technologies B.V.
- Purification of waste plastics based oil via a polymerization19 May 2026US 12,630,768 B2Totalenergies Onetech
- Coupling process for producing biodiesel from waste fog28 Apr 2026US 12,612,567 B2Fuzhou University
- Alkyl aluminum catalyst deactivation with water and solids removal via filtration24 Mar 2026US 12,583,806 B2Chevron Phillips Chemical Company LP
- Process for the purification of waste plastics based oil with the help of basic compounds17 Mar 2026US 12,577,471 B2Totalenergies Onetech
- Method for producing middle distillates and naphtha from a feedstock comprising an aromatic pyrolysis oil fraction8 Oct 2026US 2026/0308463 A1Ifp Energies Nouvelles
- Method for the purification of a plastic liquefaction oil composition in a turbulent flow, and use thereof3 Sep 2026US 2026/0258307 A1Totalenergies Onetech
- Converting Biomass To Diesel20 Aug 2026US 2026/0242669 A1Abundia Biomass-To-Liquids Limited
- Method for obtaining a wax from a pyrolysis residue13 Aug 2026US 2026/0234480 A1Omv Downstream GmbH
- Plastic recycling process30 Jul 2026US 2026/0218059 A1
Most cited
By later US patents
- Acid-neutralizing filter86US 6,537,453 B2Baldwin Filters, Inc. · 2003
- Fuel preparation from a waste sludge76US 5,141,526 AShell Oil Company · 1992
- Repelling-action filter unit and assembly63US 4,619,764 AParker-Hannifin Corporation · 1986
- Production of high-cetane diesel fuel from low-quality biomass-derived feedstocks46US 7,754,931 B2Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources · 2010
- Catalytic filtering of a Fischer-Tropsch derived hydrocarbon stream35US 7,150,823 B2Chevron U.S.A.Inc. · 2006