C10G 65/02
Plural serial stages only
Official title: plural serial stages only
C10G65/02 (Plural serial stages only) appears on 1,885 US grants and 1,846 published applications in this corpus.
Search patents in C10G- Granted patents
- 1,885
- Published applications
- 1,846
- Assignees
- 373
- Inventors
- 3,231
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 18 | 0 |
| 1978 | 8 | 0 |
| 1979 | 12 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 11 | 0 |
| 1984 | 16 | 0 |
| 1985 | 9 | 0 |
| 1986 | 28 | 0 |
| 1987 | 13 | 0 |
| 1988 | 21 | 0 |
| 1989 | 25 | 0 |
| 1990 | 36 | 0 |
| 1991 | 24 | 0 |
| 1992 | 14 | 0 |
| 1993 | 15 | 0 |
| 1994 | 16 | 0 |
| 1995 | 15 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 38 | 0 |
| 2000 | 27 | 0 |
| 2001 | 42 | 12 |
| 2002 | 36 | 37 |
| 2003 | 39 | 41 |
| 2004 | 35 | 66 |
| 2005 | 21 | 52 |
| 2006 | 32 | 44 |
| 2007 | 33 | 39 |
| 2008 | 35 | 38 |
| 2009 | 33 | 60 |
| 2010 | 47 | 58 |
| 2011 | 38 | 76 |
| 2012 | 34 | 88 |
| 2013 | 52 | 99 |
| 2014 | 77 | 83 |
| 2015 | 89 | 126 |
| 2016 | 86 | 77 |
| 2017 | 89 | 102 |
| 2018 | 87 | 72 |
| 2019 | 94 | 108 |
| 2020 | 106 | 75 |
| 2021 | 87 | 87 |
| 2022 | 63 | 74 |
| 2023 | 58 | 99 |
| 2024 | 64 | 91 |
| 2025 | 63 | 97 |
| 2026 | 40 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for hydrotreating a liquid oil feedstock6 Oct 2026US 12,753,349 B2Topsoe A/S
- Method for producing a light petrol fraction having a low sulphur content29 Sep 2026US 12,747,400 B2Ifp Energies Nouvelles
- Method of upgrading highly olefinic oils derived from waste plastic pyrolysis29 Sep 2026US 12,747,402 B2Clean Planet Energy, A Trading Name of Pyroplast Energy LTD
- Hydrocracking process and system15 Sep 2026US 12,735,649 B2China Petroleum & Chemical Corporation
- Process for stabilization of reactive liquid feedstock1 Sep 2026US 12,723,201 B2Topsoe A/S
- Method for producing middle distillates and naphtha from a feedstock comprising an aromatic pyrolysis oil fraction8 Oct 2026US 2026/0308463 A1Ifp Energies Nouvelles
- Process for the one-step hydrotreatment and hydroisomerization of plant oils using at least one sulfide catalyst with an isomerizing zeolite1 Oct 2026US 2026/0297441 A1Ifp Energies Nouvelles
- Methods for using pyrolysis oil as a feedstock for making naphthenic process and lube oils24 Sep 2026US 2026/0286236 A1
- Methods for producing api group 111, technical white oil from rubber derived pyrolysis oil24 Sep 2026US 2026/0286237 A1
- Plant and process for producing renewable hydrocarbons with reduced co2-footprint and improved hydrogen integration17 Sep 2026US 2026/0275208 A1Topsoe A/S
Most cited
By later US patents
- Integrated change management unit1,464US 7,356,482 B2Alternative Systems, Inc. · 2008
- Integrated change management unit1,440US 8,484,111 B2Applications in Internet Time, LLC · 2013
- Process for stabilizing lube base stocks derived from bright stock380US 4,627,908 AChevron Research Company · 1986
- Hydroprocessing using bulk Group VIII/Group VIB catalysts (HEN-9901)250US 6,162,350 AExxon Research & Engineering Co. · 2000
- Base oil manufacturing plant246US 8,956,581 B2Chevron U.S.A.Inc. · 2015