C10G 2300/4031
Start up or shut down operations
C10G2300/4031 (Start up or shut down operations) appears on 76 US grants and 89 published applications in this corpus.
Search patents in C10G- Granted patents
- 76
- Published applications
- 89
- Assignees
- 47
- Inventors
- 235
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 5 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 2 | 2 |
| 2010 | 2 | 0 |
| 2011 | 0 | 5 |
| 2012 | 0 | 4 |
| 2013 | 2 | 4 |
| 2014 | 5 | 8 |
| 2015 | 2 | 12 |
| 2016 | 14 | 8 |
| 2017 | 5 | 2 |
| 2018 | 9 | 2 |
| 2019 | 4 | 9 |
| 2020 | 6 | 7 |
| 2021 | 5 | 2 |
| 2022 | 5 | 5 |
| 2023 | 5 | 5 |
| 2024 | 4 | 1 |
| 2025 | 0 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for shutting down a Fischer-Tropsch reactor17 Mar 2026US 12,577,181 B2Johnson Matthey Davy Technologies Limited
- Fluid for tar hydroprocessing3 Dec 2024US 12,157,861 B2ExxonMobil Chemical Patents Inc.
- High pressure ethane cracking with small diameter furnace tubes2 Jul 2024US 12,024,685 B2ExxonMobil Chemical Patents Inc.
- Start-up method for contacting a feed stream with fluidized catalyst18 Jun 2024US 12,012,557 B2Uop LLC
- Tower bottoms coke catching device6 Feb 2024US 11,891,581 B2Marathon Petroleum Company LP
- Low conversion start-up of a hydrocarbon cracking furnace13 Aug 2026US 2026/0234082 A1NOVA Chemicals (International) S.A.
- Processes for pyrolyzing hydracarbons with an electrified cracking furnace23 Jul 2026US 2026/0209609 A1Shell Internationale Research Maatschappij B. V.
- Method for cracking hydrocarbons23 Jul 2026US 2026/0209614 A1Ineos Europe AG
- Method for treating shale formations using cyclic steam injection30 Oct 2025US 2025/0333653 A1
- Processes and Systems for Steam Cracking Hydrocarbon Feeds14 Aug 2025US 2025/0257267 A1
Most cited
By later US patents
- Tower bottoms coke catching device34US 10,696,906 B2Marathon Petroleum Company LP · 2020
- Tower bottoms coke catching device33US 11,203,719 B2Marathon Petroleum Company LP · 2021
- Tower bottoms coke catching device26US 11,634,647 B2Marathon Petroleum Company LP · 2023
- Method for stopping and restarting a Fischer-Tropsch process25US 10,358,604 B2Velocys, Inc. · 2019
- Tower bottoms coke catching device24US 11,891,581 B2Marathon Petroleum Company LP · 2024