F25J 2280/20
Control for stopping, deriming or defrosting after an emergency shut-down of the
Official title: Control for stopping, deriming or defrosting after an emergency shut-down of the installation or for back up system
F25J2280/20 (Control for stopping, deriming or defrosting after an emergency shut-down of the) appears on 35 US grants and 51 published applications in this corpus.
Search patents in F25J- Granted patents
- 35
- Published applications
- 51
- Assignees
- 26
- Inventors
- 130
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 2 | 4 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 4 |
| 2018 | 1 | 5 |
| 2019 | 1 | 7 |
| 2020 | 4 | 2 |
| 2021 | 3 | 2 |
| 2022 | 2 | 7 |
| 2023 | 0 | 1 |
| 2024 | 4 | 1 |
| 2025 | 4 | 0 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for operating an air separation plant, having a distillation column system, a heat exchanger and an adsorber, and air separation plant14 Oct 2025US 12,442,593 B2Linde Aktiengesellschaft
- Recovery of natural gas liquids from a gas stream8 Jul 2025US 12,352,495 B2Saudi Arabian Oil Company
- Method for operating a heat exchanger, arrangement with a heat exchanger, and system with a corresponding arrangement4 Mar 2025US 12,241,692 B2Linde Aktiengesellschaft
- Cooling and/or liquefying method and system21 Jan 2025US 12,203,700 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Apparatus and method for separation of air by cryogenic distillation31 Dec 2024US 12,181,217 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for venting a gas6 Aug 2026US 2026/0225038 A1L'Air Liquide Societe Anonyme Pour L'Etude Et L'Etude Et L'Exploitation Des Procedes Georges Claude
- Compressor-Energized Refrigerant Isolation Valves28 May 2026US 2026/0146788 A1
- Containerized Gas Processing System with Evacuated Processing Compartment19 Feb 2026US 2026/0049763 A1
- Recovering Natural Gas Liquids19 Feb 2026US 2026/0049764 A1Saudi Arabian Oil Company
- Process and apparatus for separating a gas mixture5 Feb 2026US 2026/0036365 A1L'Air Liquide, Société Anonyme pour I'Etube et I'Exploitation des Procédés Georges Claude
Most cited
By later US patents
- Liquid oxygen production77US 6,212,904 B1In-X Corporation · 2001
- Compressor starting torque converter26US 6,463,740 B1Phillips Petroleum Company · 2002
- Process for removing nitrogen26US 8,435,403 B2Linde Aktiengesellschaft · 2013
- All electric LNG system and process23US 7,114,351 B2BP Corporation North America Inc. · 2006
- Control method for mixed refrigerant based natural gas liquefier18US 6,530,240 B1Gas Technology Institute · 2003