F25J 1/0298
Safety aspects and control of the refrigerant compression system
Official title: {Safety aspects and control of the refrigerant compression system, e.g. anti-surge control}
F25J1/0298 (Safety aspects and control of the refrigerant compression system) appears on 72 US grants and 95 published applications in this corpus.
Search patents in F25J- Granted patents
- 72
- Published applications
- 95
- Assignees
- 45
- Inventors
- 191
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 2 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 9 |
| 2011 | 0 | 7 |
| 2012 | 0 | 1 |
| 2013 | 6 | 4 |
| 2014 | 4 | 5 |
| 2015 | 2 | 1 |
| 2016 | 2 | 3 |
| 2017 | 0 | 7 |
| 2018 | 4 | 5 |
| 2019 | 4 | 8 |
| 2020 | 6 | 4 |
| 2021 | 9 | 1 |
| 2022 | 4 | 8 |
| 2023 | 2 | 2 |
| 2024 | 4 | 11 |
| 2025 | 5 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Single mixed refrigerant LNG production process22 Sep 2026US 12,742,588 B2Honeywell Lng LLC
- Power plant for controlling the renewable energy use in an LNG train18 Aug 2026US 12,710,013 B2
- Device and method for liquefying a fluid such as hydrogen and/or helium14 Apr 2026US 12,601,539 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Device and method for liquefying a fluid such as hydrogen and/or helium6 Jan 2026US 12,516,878 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Device and method for liquefying a fluid such as hydrogen and/or helium16 Dec 2025US 12,498,171 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Fluid liquefaction method and device27 Aug 2026US 2026/0251384 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Compressor-Energized Refrigerant Isolation Valves28 May 2026US 2026/0146788 A1
- Low pressure refrigeration system22 Jan 2026US 2026/0022873 A1
- Method and apparatus for reliquefaction and recycling of boil-off gas into an lng tank9 Oct 2025US 2025/0314423 A1Burckhardt Compression AG
- Single Mixed Refrigerant LNG Production Process22 May 2025US 2025/0164184 A1Honeywell Lng LLC
Most cited
By later US patents
- Inlet air cooling system and inlet air cooling method for gas turbine60US 10,781,752 B2Chiyoda Corporation · 2020
- Driver and compressor system for natural gas liquefaction45US 6,691,531 B1ConocoPhillips Company · 2004
- Compressor drive system for a natural gas liquefaction plant having an electric motor generator to feed excess power to the main power source44US 5,689,141 AChiyoda Corporation · 1997
- Automated control system for a multicomponent refrigeration system43US 4,809,154 AAir Products and Chemicals, Inc. · 1989
- Light end enhanced refrigeration loop30US 5,157,925 AExxon Production Research Company · 1992