F25J 2280/40
Control of freezing of components
F25J2280/40 (Control of freezing of components) appears on 62 US grants and 67 published applications in this corpus.
Search patents in F25J- Granted patents
- 62
- Published applications
- 67
- Assignees
- 30
- Inventors
- 116
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 5 |
| 2013 | 0 | 1 |
| 2014 | 0 | 4 |
| 2015 | 0 | 17 |
| 2016 | 1 | 8 |
| 2017 | 14 | 4 |
| 2018 | 9 | 3 |
| 2019 | 6 | 2 |
| 2020 | 0 | 3 |
| 2021 | 1 | 3 |
| 2022 | 2 | 7 |
| 2023 | 3 | 1 |
| 2024 | 5 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solvent injection for solids prevention in an LNG plant14 Jul 2026US 12,680,755 B2ConocoPhillips Company
- Apparatus to directly detect solids formation21 Jan 2025US 12,203,875 B2The University of Western Australia
- Cryogenic purification of biogas with withdrawal at an intermediate stage and external solidification of carbon dioxide27 Aug 2024US 12,072,144 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process for the separation and liquefaction of methane and carbon dioxide with solidification of carbon dioxide outside the distillation column25 Jun 2024US 12,018,886 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cryogenic purification of biogas with pre-separation and external solidification of carbon dioxide2 Apr 2024US 11,946,691 B2L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation de Procedes Georges Claude
- Method and system for avoiding freezing of at least one component of a cryogenic fluid inside a cryogenic heat exchanger4 Jul 2024US 2024/0219113 A1Cryostar SAS
- Solvent injection for solids prevention in an lng plant26 Jan 2023US 2023/0024241 A1ConocoPhillips Company
- Process for the separation and liquefaction of methane and carbon dioxide with solidification of carbon dioxide outside the distillation column15 Dec 2022US 2022/0397340 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cryogenic purification of biogas with pre-separation and external solidification of carbon dioxide15 Dec 2022US 2022/0397342 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cryogenic purification of biogas with withdrawal at an intermediate stage and external solidification of carbon dioxide15 Dec 2022US 2022/0397345 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Process for liquefying a natural gas stream containing at least one freezable component123US 5,956,971 AExxon Production Research Company · 1999
- Method and apparatus for cryogenic separation of carbon dioxide and other acid gases from methane97US 4,923,493 AExxon Production Research Company · 1990
- Integrated air separation and power generation process95US 6,745,573 B2American Air Liquide, Inc. · 2004
- Method and apparatus to start-up controlled freezing zone process and purify the product stream90US 5,062,270 AExxon Production Research Company · 1991
- Method and apparatus for separating carbon dioxide and other acid gases from methane by the use of distillation and a controlled freezing zone89US 4,533,372 AExxon Production Research Company · 1985