F25J 1/0032
Using the feed stream itself or separated fractions from it, i.e. "internal
Official title: {using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"}
F25J1/0032 (Using the feed stream itself or separated fractions from it, i.e. "internal) appears on 645 US grants and 819 published applications in this corpus.
Search patents in F25J- Granted patents
- 645
- Published applications
- 819
- Assignees
- 271
- Inventors
- 1,200
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 12 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 22 | 0 |
| 2001 | 16 | 2 |
| 2002 | 12 | 1 |
| 2003 | 11 | 11 |
| 2004 | 11 | 13 |
| 2005 | 9 | 18 |
| 2006 | 9 | 16 |
| 2007 | 13 | 21 |
| 2008 | 10 | 24 |
| 2009 | 19 | 36 |
| 2010 | 4 | 39 |
| 2011 | 9 | 25 |
| 2012 | 6 | 19 |
| 2013 | 13 | 21 |
| 2014 | 9 | 31 |
| 2015 | 8 | 37 |
| 2016 | 12 | 39 |
| 2017 | 26 | 49 |
| 2018 | 24 | 68 |
| 2019 | 28 | 61 |
| 2020 | 50 | 38 |
| 2021 | 27 | 42 |
| 2022 | 40 | 44 |
| 2023 | 30 | 51 |
| 2024 | 37 | 47 |
| 2025 | 32 | 37 |
| 2026 | 25 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Closed loop LNG process for a feed gas with nitrogen22 Sep 2026US 12,742,589 B2ConocoPhillips Company
- Method and a relative apparatus for producing liquified gases8 Sep 2026US 12,729,906 B2Fpt Industrial S.P.A.
- Method and system for producing a liquefied natural gas product18 Aug 2026US 12,710,225 B2Linde Aktiengesellschaft
- Process and apparatus for liquefaction of CO211 Aug 2026US 12,704,322 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and system for processing gas in a gas storage facility for a gas tanker11 Aug 2026US 12,704,323 B2Gaztransport Et Technigaz
- Method for liquefying a gas1 Oct 2026US 2026/0298530 A1
- Turbomachine27 Aug 2026US 2026/0251078 A1Kawasaki Jukogyo Kabushiki Kaisha
- Assembly for storing a liquefied cryogenic fluid, vehicle and method27 Aug 2026US 2026/0251269 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cryogenic liquefaction system and method27 Aug 2026US 2026/0251386 A1Nearshore Natural Gas, LLC
- System and method for the production and supply of a densified liquid oxygen product20 Aug 2026US 2026/0243506 A1
Most cited
By later US patents
- LNG production using dual independent expander refrigeration cycles149US 6,412,302 B1ABB Lummus Global, Inc. - Randall Division · 2002
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Process for liquefying a natural gas stream containing at least one freezable component123US 5,956,971 AExxon Production Research Company · 1999
- Enhanced NGL recovery utilizing refrigeration and reflux from LNG plants112US 6,401,486 B12002
- LNG production in cryogenic natural gas processing plants108US 5,615,561 AWilliams Field Services Company · 1997