C10G 55/02
Plural serial stages only
Official title: plural serial stages only
C10G55/02 (Plural serial stages only) appears on 512 US grants and 615 published applications in this corpus.
Search patents in C10G- Granted patents
- 512
- Published applications
- 615
- Assignees
- 195
- Inventors
- 1,348
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 1 | 1 |
| 2003 | 3 | 5 |
| 2004 | 1 | 4 |
| 2005 | 3 | 9 |
| 2006 | 1 | 8 |
| 2007 | 2 | 4 |
| 2008 | 8 | 8 |
| 2009 | 6 | 15 |
| 2010 | 8 | 12 |
| 2011 | 12 | 16 |
| 2012 | 8 | 13 |
| 2013 | 11 | 26 |
| 2014 | 7 | 24 |
| 2015 | 21 | 41 |
| 2016 | 24 | 39 |
| 2017 | 32 | 39 |
| 2018 | 39 | 32 |
| 2019 | 26 | 34 |
| 2020 | 30 | 37 |
| 2021 | 39 | 41 |
| 2022 | 29 | 46 |
| 2023 | 30 | 29 |
| 2024 | 22 | 56 |
| 2025 | 38 | 43 |
| 2026 | 24 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for catalytic cracking of naphtha with co-feed of mixed waste plastic oil to produce light olefins29 Sep 2026US 12,747,395 B2Sabic Global Technologies B.V.
- Method for producing a hydrocarbon product22 Sep 2026US 12,742,124 B2Omv Downstream GmbH
- Dual reactor system for simultaneous decontamination and cracking of plastic derived oil to circular chemicals22 Sep 2026US 12,742,125 B2Saudi Arabian Oil Company
- Pyrolysis processes for upgrading a hydrocarbon feed15 Sep 2026US 12,735,648 B2ExxonMobil Chemical Patents Inc.
- Methods for processing condensate feedstocks1 Sep 2026US 12,723,207 B2Sabic Global Technologies B.V.
- Aromatic and polar compounds removal in lube feedstocks by counter current liquid-liquid extraction using dihydrolevoglucosenone as a solvent3 Sep 2026US 2026/0258308 A1ExxonMobil Technology and Engineering Company
- Fluid catalytic cracking of renewable feedstocks27 Aug 2026US 2026/0250583 A1Valero Services, Inc.
- Method for controlling a heat-consuming hydrocarbon conversion process13 Aug 2026US 2026/0234478 A1BASF SE
- Pyrolysis oil purification6 Aug 2026US 2026/0226351 A1Borealis AG
- Process for removing contaminants from waste plastics oil6 Aug 2026US 2026/0226354 A1Shell USA, Inc.
Most cited
By later US patents
- Process for removal of nitrogen and poly-nuclear aromatics from hydrocracker feedstocks100US 7,763,163 B2Saudi Arabian Oil Company · 2010
- Heavy oil upgrading process87US 6,524,469 B1Trans Ionics Corporation · 2003
- Enhanced light olefin production77US 6,049,017 AUop LLC · 2000
- Olefin production utilizing whole crude oil/condensate feedstock with enhanced distillate production68US 7,550,642 B2Equistar Chemicals, LP · 2009
- Process for upgrading a heavy viscous hydrocarbon64US 4,454,023 AAlberta Oil Sands Technology and Research Authority · 1984