C10G 2300/4056
Retrofitting operations
C10G2300/4056 (Retrofitting operations) appears on 183 US grants and 217 published applications in this corpus.
Search patents in C10G- Granted patents
- 183
- Published applications
- 217
- Assignees
- 75
- Inventors
- 374
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 3 | 3 |
| 2005 | 0 | 2 |
| 2006 | 2 | 4 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 4 |
| 2010 | 4 | 16 |
| 2011 | 5 | 8 |
| 2012 | 11 | 11 |
| 2013 | 10 | 19 |
| 2014 | 9 | 14 |
| 2015 | 18 | 20 |
| 2016 | 13 | 12 |
| 2017 | 24 | 23 |
| 2018 | 18 | 16 |
| 2019 | 12 | 6 |
| 2020 | 10 | 17 |
| 2021 | 11 | 6 |
| 2022 | 6 | 13 |
| 2023 | 11 | 7 |
| 2024 | 4 | 5 |
| 2025 | 4 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process to prepare feed by using dividing wall column and/or conventional column for catalytic cracking unit targeting olefin production13 Jan 2026US 12,522,769 B2Kellogg Brown & Root LLC
- Method of producing pyrolysis products from a mixed plastics stream and integration of the same in a refinery10 Jun 2025US 12,325,832 B2Saudi Arabian Oil Company
- Nozzles for reduced coking and plugging in high temperature operations4 Mar 2025US 12,239,969 B2Alliance for Sustainable Energy, LLC
- Methods and configuration for retrofitting NGL plant for high ethane recovery11 Feb 2025US 12,222,158 B2Fluor Technologies Corporation
- Using spent caustic solution from pygas treatment to neutralize halogens from liquified waste plastic14 Jan 2025US 12,195,674 B2Eastman Chemical Company
- Revamping ethylene plant pyrolisis heaters for reduced carbon dioxide emissions11 Jun 2026US 2026/0159764 A1Lummus Technology Inc.
- Methods and configuration for retrofitting ngl plant for high ethane recovery30 Apr 2026US 2026/0118053 A1Fluor Technologies Corporation
- Process to prepare feed by using dividing wall column and/or conventional column for catalytic cracking unit targeting olefin production9 Apr 2026US 2026/0098215 A1Kellogg Brown & Root LLC
- Repurposing fluidized catalytic cracking (fcc) systems to generate renewable fuel intermediate compositions15 Jan 2026US 2026/0015547 A1Chevron U.S.A.Inc.
- Fluidized bed reactor system for catalytic cracking of light hydrocarbons7 Aug 2025US 2025/0249421 A1
Most cited
By later US patents
- Systems and methods for renewable fuel44US 9,109,177 B2Ensyn Renewables, Inc. · 2015
- Hydrocracking process for biological feedstocks and hydrocarbons produced therefrom40US 7,968,757 B2Syntroleum Corporation · 2011
- Systems for hydroprocessing heavy oil39US 9,605,215 B2Headwaters Heavy Oil, LLC · 2017
- Process for co-conversion of waste plastics and hydrocarbon feedstock38US 11,421,162 B2Indian Oil Corporation Limited · 2022
- Tower bottoms coke catching device34US 10,696,906 B2Marathon Petroleum Company LP · 2020