C10G 51/02
Plural serial stages only
Official title: plural serial stages only
C10G51/02 (Plural serial stages only) appears on 293 US grants and 308 published applications in this corpus.
Search patents in C10G- Granted patents
- 293
- Published applications
- 308
- Assignees
- 123
- Inventors
- 821
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 6 |
| 2002 | 3 | 2 |
| 2003 | 1 | 5 |
| 2004 | 1 | 3 |
| 2005 | 3 | 3 |
| 2006 | 1 | 9 |
| 2007 | 2 | 3 |
| 2008 | 3 | 3 |
| 2009 | 9 | 5 |
| 2010 | 2 | 14 |
| 2011 | 4 | 9 |
| 2012 | 5 | 6 |
| 2013 | 5 | 22 |
| 2014 | 6 | 8 |
| 2015 | 12 | 17 |
| 2016 | 14 | 7 |
| 2017 | 11 | 12 |
| 2018 | 9 | 13 |
| 2019 | 8 | 15 |
| 2020 | 20 | 17 |
| 2021 | 20 | 34 |
| 2022 | 25 | 24 |
| 2023 | 20 | 13 |
| 2024 | 18 | 27 |
| 2025 | 15 | 17 |
| 2026 | 7 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Generating renewable naphtha15 Sep 2026US 12,735,647 B1Chevron U.S.A.Inc.
- Methods for conversion of mixed plastic wastes to a liquid hydrocarbon product25 Aug 2026US 12,716,034 B2Sabic Global Technologies B.V.
- Processes for cofeeding waste plastic and bio feedstocks to a refinery processing unit7 Apr 2026US 12,595,423 B2Chevron U.S.A.Inc.
- Process for depolymerization of solid mixed plastic7 Apr 2026US 12,595,428 B2Sabic Global Technologies B.V.
- Steam cracking process for converting crude oils to pitch compositions spinnable into carbon articles10 Mar 2026US 12,570,905 B2ExxonMobil Technology and Engineering Company
- Systems and processes for the production of olefin products from hydrocarbon feedstocks20 Aug 2026US 2026/0242676 A1Sabic Global Technologies B.V.
- Method for cracking hydrocarbons23 Jul 2026US 2026/0209614 A1Ineos Europe AG
- Methods and systems for producing light olefins and aromatics from gas condensates23 Jul 2026US 2026/0209618 A1Sabic Global Technologies B.V.
- Circular Products Produced by Feed Segregation to Parallel Cracking Units and Integrated Separation System16 Jul 2026US 2026/0201259 A1Chevron Phillips Chemical Company LP
- Methods and systems for improving ethylene yield from iso-pentane feed by reverse isomerization and separation18 Jun 2026US 2026/0167589 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Flexible light olefins production100US 5,523,502 AStone & Webster Engineering Corp. · 1996
- Modified thermal processing of heavy hydrocarbon feedstocks87US 7,572,362 B2Ivanhoe Energy, Inc. · 2009
- Processing for producing hydrocarbon oils from plastic waste84US 4,851,601 AMobil Oil Corporation · 1989
- Enhanced light olefin production77US 6,049,017 AUop LLC · 2000
- Process and apparatus for upgrading FCC product with additional reactor with catalyst recycle68US 6,866,771 B2Uop LLC · 2005